'Programming/JAVA,JSP' 카테고리의 글 목록 (6 Page)

JAVA GUI 계산기 소스코드

Programming/JAVA,JSP 2013. 12. 22. 17:55 Posted by TanSanC

336x280(권장), 300x250(권장), 250x250, 200x200 크기의 광고 코드만 넣을 수 있습니다.

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JButton;

/*

* To change this template, choose Tools | Templates

* and open the template in the editor.

*/

/**

*

* @author Administrator

*/

public class NewJFrame extends javax.swing.JFrame implements ActionListener {

/**

* Creates new form NewJFrame

*/

public NewJFrame() {

initComponents();

toDo();

}

private void toDo() {

// TODO Auto-generated method stub

jButton2.addActionListener(this);

jButton3.addActionListener(this);

jButton4.addActionListener(this);

jButton5.addActionListener(this);

jButton6.addActionListener(this);

jButton7.addActionListener(this);

jButton8.addActionListener(this);

jButton9.addActionListener(this);

jButton10.addActionListener(this);

jButton13.addActionListener(this);

jButton14.addActionListener(this);

jButton15.addActionListener(this);

jButton16.addActionListener(this);

jButton17.addActionListener(this);

jButton18.addActionListener(this);

}

@SuppressWarnings("unchecked")

// <editor-fold defaultstate="collapsed" desc="Generated Code">

private void initComponents() {

jButton2 = new javax.swing.JButton();

jTextField3 = new javax.swing.JTextField();

jButton3 = new javax.swing.JButton();

jButton4 = new javax.swing.JButton();

jButton7 = new javax.swing.JButton();

jButton5 = new javax.swing.JButton();

jButton6 = new javax.swing.JButton();

jButton8 = new javax.swing.JButton();

jButton9 = new javax.swing.JButton();

jButton10 = new javax.swing.JButton();

jButton13 = new javax.swing.JButton();

jButton14 = new javax.swing.JButton();

jButton15 = new javax.swing.JButton();

jButton16 = new javax.swing.JButton();

jButton17 = new javax.swing.JButton();

jButton18 = new javax.swing.JButton();

jToggleButton1 = new javax.swing.JToggleButton();

setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

jTextField3.setText("");

jButton2.setText("1");

jButton3.setText("2");

jButton4.setText("3");

jButton5.setText("4");

jButton6.setText("5");

jButton7.setText("6");

jButton8.setText("7");

jButton9.setText("8");

jButton10.setText("9");

jButton13.setText("0");

jButton14.setText("+");

jButton15.setText("/");

jButton16.setText("x");

jButton17.setText("-");

jButton18.setText("=");

jToggleButton1.setText("jToggleButton1");

javax.swing.GroupLayout layout = new javax.swing.GroupLayout(

getContentPane());

getContentPane().setLayout(layout);

layout.setHorizontalGroup(layout

.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addComponent(jTextField3)

.addGroup(

layout.createSequentialGroup()

.addGroup(

layout.createParallelGroup(

javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(

layout.createParallelGroup(

javax.swing.GroupLayout.Alignment.TRAILING)

.addGroup(

layout.createSequentialGroup()

.addComponent(

jButton5)

.addPreferredGap(

javax.swing.LayoutStyle.ComponentPlacement.RELATED)

.addComponent(

jButton6)

.addPreferredGap(

javax.swing.LayoutStyle.ComponentPlacement.RELATED)

.addComponent(

jButton7))

.addGroup(

layout.createSequentialGroup()

.addComponent(

jButton2)

.addPreferredGap(

javax.swing.LayoutStyle.ComponentPlacement.RELATED)

.addComponent(

jButton3)

.addPreferredGap(

javax.swing.LayoutStyle.ComponentPlacement.RELATED)

.addComponent(

jButton4)))

.addGroup(

layout.createSequentialGroup()

.addComponent(

jButton9)

.addPreferredGap(

javax.swing.LayoutStyle.ComponentPlacement.RELATED)

.addGroup(

layout.createParallelGroup(

javax.swing.GroupLayout.Alignment.LEADING)

.addComponent(

jButton13)

.addGroup(

layout.createSequentialGroup()

.addComponent(

jButton10)

.addPreferredGap(

javax.swing.LayoutStyle.ComponentPlacement.RELATED)

.addComponent(

jButton8)))))

.addPreferredGap(

javax.swing.LayoutStyle.ComponentPlacement.RELATED)

.addGroup(

layout.createParallelGroup(

javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(

layout.createSequentialGroup()

.addGroup(

layout.createParallelGroup(

javax.swing.GroupLayout.Alignment.LEADING)

.addComponent(

jButton16)

.addComponent(

jButton15))

.addPreferredGap(

javax.swing.LayoutStyle.ComponentPlacement.RELATED)

.addComponent(

jButton18))

.addGroup(

layout.createParallelGroup(

javax.swing.GroupLayout.Alignment.TRAILING)

.addComponent(

jButton17)

.addComponent(

jButton14)))

.addPreferredGap(

javax.swing.LayoutStyle.ComponentPlacement.RELATED,

javax.swing.GroupLayout.DEFAULT_SIZE,

Short.MAX_VALUE)

.addComponent(jToggleButton1,

javax.swing.GroupLayout.PREFERRED_SIZE,

70,

javax.swing.GroupLayout.PREFERRED_SIZE)

.addContainerGap()));

layout.setVerticalGroup(layout

.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(

layout.createSequentialGroup()

.addComponent(jTextField3,

javax.swing.GroupLayout.PREFERRED_SIZE,

70,

javax.swing.GroupLayout.PREFERRED_SIZE)

.addPreferredGap(

javax.swing.LayoutStyle.ComponentPlacement.RELATED)

.addGroup(

layout.createParallelGroup(

javax.swing.GroupLayout.Alignment.LEADING,

false)

.addGroup(

layout.createSequentialGroup()

.addGroup(

layout.createParallelGroup(

javax.swing.GroupLayout.Alignment.BASELINE)

.addComponent(

jButton2)

.addComponent(

jButton3)

.addComponent(

jButton4))

.addPreferredGap(

javax.swing.LayoutStyle.ComponentPlacement.RELATED)

.addGroup(

layout.createParallelGroup(

javax.swing.GroupLayout.Alignment.BASELINE)

.addComponent(

jButton5)

.addComponent(

jButton6)

.addComponent(

jButton7))

.addPreferredGap(

javax.swing.LayoutStyle.ComponentPlacement.RELATED)

.addGroup(

layout.createParallelGroup(

javax.swing.GroupLayout.Alignment.BASELINE)

.addComponent(

jButton9)

.addComponent(

jButton10)

.addComponent(

jButton8))

.addPreferredGap(

javax.swing.LayoutStyle.ComponentPlacement.RELATED)

.addComponent(

jButton13))

.addGroup(

layout.createSequentialGroup()

.addComponent(

jButton14)

.addPreferredGap(

javax.swing.LayoutStyle.ComponentPlacement.RELATED)

.addComponent(

jButton17)

.addPreferredGap(

javax.swing.LayoutStyle.ComponentPlacement.RELATED)

.addComponent(

jButton16)

.addPreferredGap(

javax.swing.LayoutStyle.ComponentPlacement.RELATED)

.addComponent(

jButton15))

.addComponent(

jButton18,

javax.swing.GroupLayout.DEFAULT_SIZE,

Short.MAX_VALUE)

.addComponent(

jToggleButton1,

javax.swing.GroupLayout.DEFAULT_SIZE,

Short.MAX_VALUE))

.addContainerGap(

javax.swing.GroupLayout.DEFAULT_SIZE,

Short.MAX_VALUE)));

pack();

}// </editor-fold>

public static void main(String args[]) {

/* Set the Nimbus look and feel */

// <editor-fold defaultstate="collapsed"

// desc=" Look and feel setting code (optional) ">

/*

* If Nimbus (introduced in Java SE 6) is not available, stay with the

* default look and feel. For details see

* http://download.oracle.com/javase

* /tutorial/uiswing/lookandfeel/plaf.html

*/

try {

for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager

.getInstalledLookAndFeels()) {

if ("Nimbus".equals(info.getName())) {

javax.swing.UIManager.setLookAndFeel(info.getClassName());

break;

}

} catch (ClassNotFoundException ex) {

java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(

java.util.logging.Level.SEVERE, null, ex);

} catch (InstantiationException ex) {

java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(

java.util.logging.Level.SEVERE, null, ex);

} catch (IllegalAccessException ex) {

java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(

java.util.logging.Level.SEVERE, null, ex);

} catch (javax.swing.UnsupportedLookAndFeelException ex) {

java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(

java.util.logging.Level.SEVERE, null, ex);

}

// </editor-fold>

/* Create and display the form */

java.awt.EventQueue.invokeLater(new Runnable() {

public void run() {

new NewJFrame().setVisible(true);

}

});

}

// Variables declaration - do not modify

private javax.swing.JButton jButton10;

private javax.swing.JButton jButton13;

private javax.swing.JButton jButton14;

private javax.swing.JButton jButton15;

private javax.swing.JButton jButton16;

private javax.swing.JButton jButton17;

private javax.swing.JButton jButton18;

private javax.swing.JButton jButton2;

private javax.swing.JButton jButton3;

private javax.swing.JButton jButton4;

private javax.swing.JButton jButton7;

private javax.swing.JButton jButton5;

private javax.swing.JButton jButton6;

private javax.swing.JButton jButton8;

private javax.swing.JButton jButton9;

private javax.swing.JTextField jTextField3;

private javax.swing.JToggleButton jToggleButton1;

// End of variables declaration

@Override

public void actionPerformed(ActionEvent arg0) {

// TODO Auto-generated method stub

if (arg0.getSource() == jButton2) {

jTextField3.setText(jTextField3.getText() + 1);

} else if (arg0.getSource() == jButton3) {

jTextField3.setText(jTextField3.getText() + "2");

} else if (arg0.getSource() == jButton4) {

jTextField3.setText(jTextField3.getText() + "3");

} else if (arg0.getSource() == jButton7) {

jTextField3.setText(jTextField3.getText() + "4");

} else if (arg0.getSource() == jButton5) {

jTextField3.setText(jTextField3.getText() + "5");

} else if (arg0.getSource() == jButton6) {

jTextField3.setText(jTextField3.getText() + "6");

} else if (arg0.getSource() == jButton8) {

jTextField3.setText(jTextField3.getText() + "7");

} else if (arg0.getSource() == jButton9) {

jTextField3.setText(jTextField3.getText() + "8");

} else if (arg0.getSource() == jButton10) {

jTextField3.setText(jTextField3.getText() + "9");

} else if (arg0.getSource() == jButton13) {

jTextField3.setText(jTextField3.getText() + "0");

} else if (arg0.getSource() == jButton14) {// +

tempValue = Integer.parseInt(jTextField3.getText());

operator = '+';

jTextField3.setText("");

} else if (arg0.getSource() == jButton15) {// /

tempValue = Integer.parseInt(

jTextField3.getText());

operator = '/';

jTextField3.setText("");

} else if (arg0.getSource() == jButton16) {// x

tempValue = Integer.parseInt(jTextField3.getText());

operator = '*';

jTextField3.setText("");

} else if (arg0.getSource() == jButton17) {// -

tempValue = Integer.parseInt(jTextField3.getText());

operator = '-';

jTextField3.setText("");

} else if (arg0.getSource() == jButton18) {// -

int tempValue2 = Integer.parseInt(

jTextField3.getText());

int resultValue = 0;

if (operator == '+') {

resultValue = tempValue + tempValue2;

} else if (operator == '-') {

resultValue = tempValue - tempValue2;

} else if (operator == '*') {

resultValue = tempValue * tempValue2;

} else if (operator == '/') {

resultValue = tempValue / tempValue2;

}

jTextField3.setText("" + resultValue);

}

int tempValue;

char operator;

}

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JAVA 소수를 구하는 프로그램 GUI #2

Programming/JAVA,JSP 2013. 12. 21. 17:00 Posted by TanSanC

336x280(권장), 300x250(권장), 250x250, 200x200 크기의 광고 코드만 넣을 수 있습니다.

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JTextField;

class MyFrame extends JFrame {

private JButton button;

private JTextField text, result;

public MyFrame() {

setSize(300, 130);

setTitle("제곱 계산하기");

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

ButtonListener listener = new ButtonListener(); // 리스너 객체 생성

JPanel panel = new JPanel();

panel.add(new JLabel("숫자 입력: ")); // 레이블 생성

text = new JTextField(15); // 컬럼수가 15인 텍스트 필드 생성

text.addActionListener(listener); // 텍스트 필드에 리스너 연결

panel.add(text);

panel.add(new JLabel("제곱한 값: "));

result = new JTextField(15); // 결과를 나타낼 텍스트 필드

result.setEditable(false); // 편집 불가 설정

panel.add(result);

button = new JButton("OK");

button.addActionListener(listener);

panel.add(button);

add(panel);

setVisible(true);

}

// 텍스트 필드와 버튼의 액션 이벤트 처리

private class ButtonListener implements ActionListener {

public void actionPerformed(ActionEvent e) {

if (e.getSource() == button || e.getSource() == text) {

String name = text.getText();

int value = 0;

try {

value = Integer.parseInt(name);

boolean isPrimeNumber = false;

// 계산

int count = 0;

for (int i = 1; i <= value; i++) {

// 계산

if (value % i == 0) {

count++;

}

if (count == 2) {

isPrimeNumber = true;

}

if (isPrimeNumber) {

result.setText("소수입니다.");

} else {

result.setText("소수가 아닙니다.");

}

} catch (NumberFormatException e1) {

result.setText("숫자를 입력해주세요!!");

}

text.requestFocus();

}

public class TextFieldTest extends JFrame {

public static void main(String[] args) {

new MyFrame();

}

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336x280(권장), 300x250(권장), 250x250, 200x200 크기의 광고 코드만 넣을 수 있습니다.

import javax.swing.*;

import java.awt.event.*;

class MyFrame extends JFrame {

private JButton button;

private JTextField text, result;

public MyFrame() {

setSize(300, 130);

setTitle("제곱 계산하기");

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

ButtonListener listener = new ButtonListener(); // 리스너 객체 생성

JPanel panel = new JPanel();

panel.add(new JLabel("숫자 입력: ")); // 레이블 생성

text = new JTextField(15); // 컬럼수가 15인 텍스트 필드 생성

text.addActionListener(listener); // 텍스트 필드에 리스너 연결

panel.add(text);

panel.add(new JLabel("제곱한 값: "));

result = new JTextField(15); // 결과를 나타낼 텍스트 필드

result.setEditable(false); // 편집 불가 설정

panel.add(result);

button = new JButton("OK");

button.addActionListener(listener);

panel.add(button);

add(panel);

setVisible(true);

}

// 텍스트 필드와 버튼의 액션 이벤트 처리

private class ButtonListener implements ActionListener {

public void actionPerformed(ActionEvent e) {

if (e.getSource() == button || e.getSource() == text) {

String name = text.getText();

int value = Integer.parseInt(name);

boolean isPrimeNumber = false;

// 계산

int count = 0;

for( int i = 1 ; i <= value ; i++)

{

//계산

if( value % i == 0)

{

count++;

}

if(count == 2)

{

isPrimeNumber = true;

}

if(isPrimeNumber)

{

result.setText("소수입니다.");

}

else

{

result.setText("소수가 아닙니다.");

}

text.requestFocus();

}

public class TextFieldTest extends JFrame {

public static void main(String[] args) {

new MyFrame();

}

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336x280(권장), 300x250(권장), 250x250, 200x200 크기의 광고 코드만 넣을 수 있습니다.

package com.tistory.tansanc.mainClass;

import java.util.Scanner;

public class ComputerTest {

public static void main(String[] args) {

int[] array = { 3, 9, 7, 1, 2, 5 };

// { 3, 7, 1, 2, 5, 9 };

// { 3, 1, 2, 5, 7, 9 };

// { 1, 2, 3, 5, 7, 9 };

int i, j;

for( j = 0 ; j < array.length - 1; j++ )

{

for( i = 0 ; i < array.length - j - 1;

i++ )

{

if ( array[i] > array[i+1] )

{

int temp = array[i];

array[i] = array[i+1];

array[i+1] = temp;

}

for( i = 0 ; i < array.length ; i++ )

{

System.out.println(array[i]);

}

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336x280(권장), 300x250(권장), 250x250, 200x200 크기의 광고 코드만 넣을 수 있습니다.


package com.tansanc.tistory;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;

import javax.swing.JFrame;
import javax.swing.JTable;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.DefaultTableColumnModel;
import javax.swing.table.TableCellRenderer;
import javax.swing.table.TableColumn;
import javax.swing.table.TableColumnModel;

class Info
{
	public String title;
	public String publisher;
	public String year;
	public int price;
	public long contentLength = 0L;

	public Info(String title, String publisher, String year, int price)
	{
		this.title = title;
		this.publisher = publisher;
		this.year = year;
		this.price = price;
	}
}

class InfoTableModel extends AbstractTableModel
{
	private static final long serialVersionUID = 7932826462497464190L;
	public ArrayList pages;

	public InfoTableModel()
	{
		pages = new ArrayList();
	}

	public int getColumnCount()
	{
		return 4;
	}

	public int getRowCount()
	{
		return pages.size();
	}

	public void addInfo(Info page)
	{
		int idx = pages.size();
		pages.add(page);
		fireTableRowsInserted(idx, idx); // 반드시 호출해야한다.
	}

	public Object getValueAt(int rowIndex, int columnIndex)
	{
		Info info = pages.get(rowIndex);
		switch (columnIndex)
		{
		case 0:
			return info.title;
		case 1:
			return info.publisher;
		case 2:
			return info.year;
		case 3:
			return info.price;
		case 4:
			return info.contentLength;
		default:
			return "invalid";
		}
	}
}

class myFrame extends JFrame
{
	JTable table;

	public myFrame()
	{
		// TODO Auto-generated constructor stub
		setSize(600, 400);
		setVisible(true);

		InfoTableModel model = new InfoTableModel();
		TableColumnModel columnModel = new DefaultTableColumnModel();
		TableCellRenderer renderer = new DefaultTableCellRenderer(); // 기본구현
		model.addInfo(new Info("1", "1", "1", 50000));

		try
		{
			Connection con = ConnectDatabase.makeConnection();
			Statement stmt;
			stmt = con.createStatement();
			ResultSet rs = stmt.executeQuery("SELECT * FROM books");
			while (rs.next())
			{
				int book_id = rs.getInt("book_id");
				String title = rs.getString("title");
				String publisher = rs.getString("publisher");
				String year = rs.getString("year");
				int price = rs.getInt("price");
				System.out.println(title + publisher + year + price);
				model.addInfo(new Info(title, publisher, year, price));
			}

		} catch (SQLException e)
		{
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		System.out.println("done");
		TableColumn column = new TableColumn(0);
		column.setCellRenderer(renderer); // 이렇게 하지 않아도 알아서 제공된다.
		column.setHeaderValue("title");
		columnModel.addColumn(column);

		column = new TableColumn(1);
		column.setHeaderValue("publisher");
		columnModel.addColumn(column);

		column = new TableColumn(2);
		column.setHeaderValue("year");
		columnModel.addColumn(column);

		column = new TableColumn(3);
		column.setHeaderValue("price");
		columnModel.addColumn(column);

		table = new JTable(model, columnModel);
		add(table);
	}

}

public class ConnectDatabase
{
	public static Connection makeConnection()
	{
		String url = "jdbc:mysql://localhost/book_db";
		String id = "root";
		String password = "root";
		Connection con = null;
		try
		{
			Class.forName("com.mysql.jdbc.Driver");
			System.out.println("드라이버 적재 성공");
			con = DriverManager.getConnection(url, id, password);
			System.out.println("데이터베이스 연결 성공");
		} catch (ClassNotFoundException e)
		{
			System.out.println("드라이버를 찾을 수 없습니다.");
		} catch (SQLException e)
		{
			System.out.println("연결에 실패하였습니다.");
		}
		return con;
	}

	public static void main(String[] args)
	{
		makeConnection();
		new myFrame();
	}
}

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Programming/JAVA,JSP 2013. 8. 23. 14:09 Posted by TanSanC

336x280(권장), 300x250(권장), 250x250, 200x200 크기의 광고 코드만 넣을 수 있습니다.

클라이언트

import java.awt.BorderLayout;

import java.awt.Button;

import java.awt.TextArea;

import java.awt.TextField;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.io.PrintWriter;

import java.net.Socket;

import java.nio.ByteOrder;

import javax.swing.JFrame;

class MyFrame extends JFrame implements ActionListener

{

public TextField tf;

public TextArea ta;

PrintWriter out;

public MyFrame(PrintWriter out)

{

this.out = out;

tf = new TextField();

ta = new TextArea();

setSize(600, 400);

setVisible(true);

add(tf, BorderLayout.SOUTH);

add(ta, BorderLayout.CENTER);

tf.addActionListener(this);

}

@Override

public void actionPerformed(ActionEvent arg0)

{

if (arg0.getSource() == tf)

{

out.println(tf.getText().toString());

tf.setText("");

}

public class client

{

public static void main(String[] args)

{

BufferedReader user = new BufferedReader(new InputStreamReader(

System.in));

Socket socket;

try

{

socket = new Socket("115.20.247.142", 1251);

PrintWriter out = new PrintWriter(socket.getOutputStream(), true);

MyFrame mf = new MyFrame(out);

ReceiveThread rt = new ReceiveThread(socket, mf.ta);

rt.start();

} catch (IOException e)

{

// TODO Auto-generated catch block

e.printStackTrace();

}

class ReceiveThread extends Thread

{

Socket socket;

TextArea ta;

public ReceiveThread(Socket socket, TextArea ta)

{

this.socket = socket;

this.ta = ta;

}

@Override

public void run()

{

BufferedReader in;

try

{

in = new BufferedReader(new InputStreamReader(

socket.getInputStream()));

while (true)

{

ta.setText(ta.getText() +"\n"+ in.readLine());

}

} catch (IOException e)

{

// TODO Auto-generated catch block

e.printStackTrace();

}

super.run();

}

서버

package com.tansanc.tistory;

import java.io.IOException;

import java.io.OutputStream;

import java.net.ServerSocket;

import java.net.Socket;

public class MyApplet2

{

public static void main(String[] args) throws IOException

{

int i = 1;

ServerSocket server = null;

server = new ServerSocket(1251, 5);

while (true)

{

System.out.println("Accept 대기");

Socket socket = server.accept();

System.out.println("Accept 성공");

PerClientReceiveThread pcrt = new PerClientReceiveThread(socket);

pcrt.start();

}

// Socket socket = new Socket("115.20.247.142",1251);

// InputStream is = socket.getInputStream();

// byte i = (byte)is.read();

// System.out.println(i);

}

package com.tansanc.tistory;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.io.PrintWriter;

import java.net.Socket;

import java.util.ArrayList;

public class PerClientReceiveThread extends Thread

{

static ArrayList<PrintWriter> arGeneral = new ArrayList<PrintWriter>();

Socket socket;

public PerClientReceiveThread(Socket socket)

{

this.socket = socket;

}

@Override

public void run()

{

InputStream os;

try

{

BufferedReader in = new BufferedReader(new InputStreamReader(

socket.getInputStream()));

PrintWriter out = new PrintWriter(socket.getOutputStream(), true);

arGeneral.add(out);

while (true)

{

String msg = in.readLine();

System.out.println(msg);

for (int i = 0; i < arGeneral.size(); i++)

{

arGeneral.get(i).println(msg);

}

} catch (IOException e)

{

// TODO Auto-generated catch block

e.printStackTrace();

}

super.run();

}

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JAVA 채팅 클라이언트

Programming/JAVA,JSP 2013. 8. 23. 13:51 Posted by TanSanC

336x280(권장), 300x250(권장), 250x250, 200x200 크기의 광고 코드만 넣을 수 있습니다.


import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.Socket;

public class client
{
	public static void main(String[] args)
	{
		BufferedReader user = new BufferedReader(new InputStreamReader(
				System.in));
		Socket socket;
		try
		{
			socket = new Socket("115.20.247.142", 1251);
			PrintWriter out = new PrintWriter(socket.getOutputStream(), true);
			ReceiveThread rt = new ReceiveThread(socket);
			rt.start();
			while (true)
			{
				out.println(user.readLine());
			}
		} catch (IOException e)
		{
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

}

class ReceiveThread extends Thread
{
	Socket socket;

	public ReceiveThread(Socket socket)
	{
		this.socket = socket;
	}

	@Override
	public void run()
	{
		BufferedReader in;
		try
		{
			in = new BufferedReader(new InputStreamReader(
					socket.getInputStream()));
			while (true)
			{
				System.out.println(in.readLine());
			}

		} catch (IOException e)
		{
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		super.run();
	}
}

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Programming/JAVA,JSP 2013. 8. 16. 14:25 Posted by TanSanC

336x280(권장), 300x250(권장), 250x250, 200x200 크기의 광고 코드만 넣을 수 있습니다.

package com.tansanc.tistory;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JPanel;

import javax.swing.JTextField;

class Cal extends JFrame
{

	private JTextField t1;

	private JButton b1, b2, b3, b4, b5, b6, b7, b8, b9, b0;

	JButton pl, mi, mu, di, cal, c;

	String x, y;

	public Cal()
	{

		setSize(285, 350);

		setDefaultCloseOperation(EXIT_ON_CLOSE);

		setTitle("Calculator");

		JPanel p = new JPanel();

		p.setLayout(null);

		t1 = new JTextField(10);

		p.add(t1);

		b1 = new JButton("1");

		p.add(b1);

		b1.addActionListener(new Number());

		b2 = new JButton("2");

		p.add(b2);

		b2.addActionListener(new Number());

		b3 = new JButton("3");

		p.add(b3);

		b3.addActionListener(new Number());

		b4 = new JButton("4");

		p.add(b4);

		b4.addActionListener(new Number());

		b5 = new JButton("5");

		p.add(b5);

		b5.addActionListener(new Number());

		b6 = new JButton("6");

		p.add(b6);

		b6.addActionListener(new Number());

		b7 = new JButton("7");

		p.add(b7);

		b7.addActionListener(new Number());

		b8 = new JButton("8");

		p.add(b8);

		b8.addActionListener(new Number());

		b9 = new JButton("9");

		p.add(b9);

		b9.addActionListener(new Number());

		b0 = new JButton("0");

		p.add(b0);

		b0.addActionListener(new Number());

		pl = new JButton("+");

		p.add(pl);

		pl.addActionListener(new Number());

		mi = new JButton("-");

		p.add(mi);

		mi.addActionListener(new Number());

		mu = new JButton("*");

		p.add(mu);

		mu.addActionListener(new Number());

		di = new JButton("/");

		p.add(di);

		di.addActionListener(new Number());

		cal = new JButton("=");

		p.add(cal);

		cal.addActionListener(new Number());

		c = new JButton("C");

		p.add(c);

		c.addActionListener(new Number());

		t1.setBounds(10, 10, 245, 80);

		b1.setBounds(10, 105, 45, 45);

		b2.setBounds(60, 105, 45, 45);

		b3.setBounds(110, 105, 45, 45);

		b4.setBounds(10, 155, 45, 45);

		b5.setBounds(60, 155, 45, 45);

		b6.setBounds(110, 155, 45, 45);

		b7.setBounds(10, 205, 45, 45);

		b8.setBounds(60, 205, 45, 45);

		b9.setBounds(110, 205, 45, 45);

		b0.setBounds(60, 255, 45, 45);

		pl.setBounds(160, 105, 45, 45);

		mi.setBounds(160, 155, 45, 45);

		mu.setBounds(160, 205, 45, 45);

		di.setBounds(160, 255, 45, 45);

		c.setBounds(110, 255, 45, 45);

		cal.setBounds(210, 105, 45, 195);

		add(p);

		setVisible(true);

	}

	String operand1;
	String operator;
	private class Number implements ActionListener
	{

		public void actionPerformed(ActionEvent e)
		{
			if( e.getSource() == b1)
			{
				t1.setText(t1.getText() + "1");
			}
			else if( e.getSource() == b2)
			{
				t1.setText(t1.getText() + "2");
			}
			else if( e.getSource() == pl)
			{
				operand1 = t1.getText();
				operator = "+";
				t1.setText("");
			}
			else if( e.getSource() == cal)
			{
				if(operator == "+")
				{
					t1.setText("" + ( Integer.parseInt(operand1) + Integer.parseInt(t1.getText())) );
				}
			}
		}
	}

}

public class CardTest
{

	public static void main(String[] args)
	{

		Cal Cals = new Cal();

	}

}

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Programming/JAVA,JSP 2013. 8. 16. 13:30 Posted by TanSanC

336x280(권장), 300x250(권장), 250x250, 200x200 크기의 광고 코드만 넣을 수 있습니다.

package com.tansanc.tistory;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JPanel;

import javax.swing.JTextField;

class Cal extends JFrame
{

	private JTextField t1;

	private JButton b1, b2, b3, b4, b5, b6, b7, b8, b9, b0;

	JButton pl, mi, mu, di, cal, c;

	String x, y;

	public Cal()
	{

		setSize(285, 350);

		setDefaultCloseOperation(EXIT_ON_CLOSE);

		setTitle("Calculator");

		JPanel p = new JPanel();

		p.setLayout(null);

		t1 = new JTextField(10);

		p.add(t1);

		b1 = new JButton("1");

		p.add(b1);

		b1.addActionListener(new Number());

		b2 = new JButton("2");

		p.add(b2);

		b2.addActionListener(new Number());

		b3 = new JButton("3");

		p.add(b3);

		b3.addActionListener(new Number());

		b4 = new JButton("4");

		p.add(b4);

		b4.addActionListener(new Number());

		b5 = new JButton("5");

		p.add(b5);

		b5.addActionListener(new Number());

		b6 = new JButton("6");

		p.add(b6);

		b6.addActionListener(new Number());

		b7 = new JButton("7");

		p.add(b7);

		b7.addActionListener(new Number());

		b8 = new JButton("8");

		p.add(b8);

		b8.addActionListener(new Number());

		b9 = new JButton("9");

		p.add(b9);

		b9.addActionListener(new Number());

		b0 = new JButton("0");

		p.add(b0);

		b0.addActionListener(new Number());

		pl = new JButton("+");

		p.add(pl);

		pl.addActionListener(new Number());

		mi = new JButton("-");

		p.add(mi);

		mi.addActionListener(new Number());

		mu = new JButton("*");

		p.add(mu);

		mu.addActionListener(new Number());

		di = new JButton("/");

		p.add(di);

		di.addActionListener(new Number());

		cal = new JButton("=");

		p.add(cal);

		cal.addActionListener(new Number());

		c = new JButton("C");

		p.add(c);

		c.addActionListener(new Number());

		t1.setBounds(10, 10, 245, 80);

		b1.setBounds(10, 105, 45, 45);

		b2.setBounds(60, 105, 45, 45);

		b3.setBounds(110, 105, 45, 45);

		b4.setBounds(10, 155, 45, 45);

		b5.setBounds(60, 155, 45, 45);

		b6.setBounds(110, 155, 45, 45);

		b7.setBounds(10, 205, 45, 45);

		b8.setBounds(60, 205, 45, 45);

		b9.setBounds(110, 205, 45, 45);

		b0.setBounds(60, 255, 45, 45);

		pl.setBounds(160, 105, 45, 45);

		mi.setBounds(160, 155, 45, 45);

		mu.setBounds(160, 205, 45, 45);

		di.setBounds(160, 255, 45, 45);

		c.setBounds(110, 255, 45, 45);

		cal.setBounds(210, 105, 45, 195);

		add(p);

		setVisible(true);

	}

	private class Number implements ActionListener
	{

		public void actionPerformed(ActionEvent e)
		{

		}

	}

}

public class CardTest
{

	public static void main(String[] args)
	{

		Cal Cals = new Cal();

	}

}

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Programming/JAVA,JSP 2013. 8. 13. 12:18 Posted by TanSanC

336x280(권장), 300x250(권장), 250x250, 200x200 크기의 광고 코드만 넣을 수 있습니다.

package com.tansanc.tistory;

import java.awt.BorderLayout;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.util.ArrayList;
import java.util.Random;

import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JTextField;

class MyFrame extends JFrame implements KeyListener
{
	JLabel staticText;
	JTextField inputText;
	JLabel resultText;
	long start;
	long end;
	String problemArray[] =
	{ "JAVA", "안녕하세요" };
	ArrayList problemList = new ArrayList();

	public MyFrame()
	{
		problemList.add("JAVA");
		problemList.add("안녕하세요");
		this.setSize(300, 200);
		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		this.setTitle("이벤트 예제");
		staticText = new JLabel("Hello World");
		add(staticText, BorderLayout.NORTH);
		inputText = new JTextField("");
		add(inputText, BorderLayout.CENTER);
		resultText = new JLabel("Hello World");
		add(resultText, BorderLayout.SOUTH);

		inputText.addKeyListener(this);

		setVisible(true);
		start = System.currentTimeMillis();
	}

	@Override
	public void keyPressed(KeyEvent e)
	{
	}

	@Override
	public void keyReleased(KeyEvent e)
	{

	}

	@Override
	public void keyTyped(KeyEvent e)
	{
		if (staticText.getText().equals(inputText.getText()))
		{
			Random r = new Random();
			end = System.currentTimeMillis();
			resultText.setText("정답입니다. " + inputText.getText().length()
					/ ((end - start) / 1000.0 / 60.0));
			staticText.setText(problemList.get(r.nextInt(2)));
			inputText.setText("");
		}
	}
}

public class Test
{
	public static void main(String[] args)
	{
		MyFrame t = new MyFrame();
	}
}

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