TanSanC

package com.example.viewpagertest;

import java.util.Locale;

import android.os.Bundle;

import android.support.v4.app.Fragment;

import android.support.v4.app.FragmentActivity;

import android.support.v4.app.FragmentManager;

import android.support.v4.app.FragmentPagerAdapter;

import android.support.v4.app.NavUtils;

import android.support.v4.view.ViewPager;

import android.view.Gravity;

import android.view.LayoutInflater;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.view.ViewGroup;

import android.widget.TextView;

public class MainActivity extends FragmentActivity {

    /**

     * The {@link android.support.v4.view.PagerAdapter} that will provide

     * fragments for each of the sections. We use a

     * {@link android.support.v4.app.FragmentPagerAdapter} derivative, which

     * will keep every loaded fragment in memory. If this becomes too memory

     * intensive, it may be best to switch to a

     * {@link android.support.v4.app.FragmentStatePagerAdapter}.

     */

    SectionsPagerAdapter mSectionsPagerAdapter;

    /**

     * The {@link ViewPager} that will host the section contents.

     */

    ViewPager mViewPager;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

       super.onCreate(savedInstanceState);

       setContentView(R.layout.activity_main);

       // Create the adapter that will return a fragment for each of the three

       // primary sections of the app.

       mSectionsPagerAdapter = new SectionsPagerAdapter(

              getSupportFragmentManager());

       // Set up the ViewPager with the sections adapter.

       mViewPager = (ViewPager) findViewById(R.id.pager);

        mViewPager.setAdapter(mSectionsPagerAdapter);

    }

    @Override

    public boolean onCreateOptionsMenu(Menu menu) {

       // Inflate the menu; this adds items to the action bar if it is present.

       getMenuInflater().inflate(R.menu.main, menu);

       return true;

    }

    /**

     * A {@link FragmentPagerAdapter} that returns a fragment corresponding to

     * one of the sections/tabs/pages.

     */

    public class SectionsPagerAdapter extends FragmentPagerAdapter {

       public SectionsPagerAdapter(FragmentManager fm) {

           super(fm);

       }

       @Override

       public Fragment getItem(int position) {

           // getItem is called to instantiate the fragment for the given page.

           // Return a DummySectionFragment (defined as a static inner class

           // below) with the page number as its lone argument.

           Fragment fragment = new DummySectionFragment();

           Bundle args = new Bundle();

       args.putInt(DummySectionFragment.ARG_SECTION_NUMBER, position + 1);

           fragment.setArguments(args);

           return fragment;

       }

       @Override

       public int getCount() {

           // Show 3 total pages.

           return 5;

       }

       @Override

       public CharSequence getPageTitle(int position) {

           Locale l = Locale.getDefault();

           switch (position) {

           case 0:

              return getString(R.string.title_section1).toUpperCase(l);

           case 1:

              return getString(R.string.title_section2).toUpperCase(l);

           case 2:

              return getString(R.string.title_section3).toUpperCase(l);

           case 3:

              return getString(R.string.title_section2).toUpperCase(l);

           case 4:

              return getString(R.string.title_section3).toUpperCase(l);

           }

           return null;

       }

    }

    /**

     * A dummy fragment representing a section of the app, but that simply

     * displays dummy text.

     */

    public static class DummySectionFragment extends Fragment {

       /**

        * The fragment argument representing the section number for this

        * fragment.

        */

       public static final String ARG_SECTION_NUMBER = "section_number";

       public DummySectionFragment() {

       }

       @Override

       public View onCreateView(LayoutInflater inflater, ViewGroup container,

              Bundle savedInstanceState) {

           View rootView = null;

           if (getArguments().getInt(ARG_SECTION_NUMBER) == 1) {

              rootView = inflater.inflate(R.layout.page1,

                     container, false);

           } else {

              rootView = inflater.inflate(R.layout.fragment_main_dummy,

                     container, false);

              TextView dummyTextView = (TextView) rootView

                      .findViewById(R.id.section_label);

           dummyTextView.setText(Integer.toString(getArguments().getInt(

                     ARG_SECTION_NUMBER)));

           }

           return rootView;

       }

    }

}

Android FrameLayout 예제

MainAcitivity.java

package com.example.test2;

activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

안드로이드 폰 위치 기록 확인

https://maps.google.com/locationhistory/

안드로이드 폰 현재 위치 확인

https://www.google.com/android/devicemanager

#include<stdio.h>

void printMenu(); 

void Rent(); 

void Return(); 

int main(void)

{

int selectedMenu;

printMenu();

scanf("%d", &selectedMenu);

if( selectedMenu == 1)

{

// Rent

Rent(); 

}

else if( selectedMenu == 2 )

{

// Return

Return(); 

}

    return 0;

}

void printMenu()

{

printf("==============\n");

printf("=1. 대     여=\n");

printf("==============\n");

printf("=2. 반     납=\n");

printf("==============\n");

}

void Rent()

{

FILE* stream;

char inputString[30];

stream = fopen("VideoList.txt","r");

printf("==============\n");

printf("= 대       여=\n");

printf("==============\n");

// 대여 가능 비디오 목록

// Input

while(!feof(stream))

{

fgets(inputString, 30, stream);

puts(inputString);

}

fclose(stream);

fflush(stdin);

gets(inputString);

stream = fopen("RentVideoList.txt","a");

fputs(inputString, stream);

fclose(stream);

// Add RentVideoList.txt

}

void Return()

{

printf("==============\n");

printf("= 반       납=\n");

printf("==============\n");

// 반납 가능 비디오 목록

// Input

// Remove RentVideoList.txt

}

#include<stdio.h>

void printMenu(); 

void Rent(); 

void Return(); 

int main(void)

{

int selectedMenu;

printMenu();

scanf("%d", &selectedMenu);

if( selectedMenu == 1)

{

// Rent

Rent(); 

}

else if( selectedMenu == 2 )

{

// Return

Return(); 

}

    return 0;

}

void printMenu()

{

printf("==============\n");

printf("=1. 대     여=\n");

printf("==============\n");

printf("=2. 반     납=\n");

printf("==============\n");

}

void Rent()

{

printf("==============\n");

printf("= 대       여=\n");

printf("==============\n");

// 대여 가능 비디오 목록

// Input

// Add RentVideoList.txt

}

void Return()

{

printf("==============\n");

printf("= 반       납=\n");

printf("==============\n");

// 반납 가능 비디오 목록

// Input

// Remove RentVideoList.txt

}

package com.tistory.tansanc;

import java.util.HashSet;

import java.util.Scanner;

public class User {

   public static void main(String[] args) {

       Scanner sc = new Scanner(System.in);

       String[] word = {"기러기", "기차표","스피커"};

       String oldWord = word[

                         (int)(Math.random()*3)  ];

       HashSet<String> hs = new HashSet<String>();

       hs.add(oldWord);

       System.out.println("제시어 : " + oldWord);   

       String newWord = sc.nextLine();

       if( ! hs.add(newWord) )

       {

          System.err.println("중복 발생!");

       }

       if( oldWord.charAt(2) ==

             newWord.charAt(0) )

       {

          System.out.println("OK");

       }

       else

       {

          System.err.println("ERROR");

       }

       while(true)

       {

          oldWord = newWord;

          newWord = sc.nextLine();

          if( ! hs.add(newWord) )

          {

             System.err.println("중복 발생!");

          }

          if( oldWord.charAt(2) ==

                 newWord.charAt(0) )

          {

             System.out.println("OK");

          }

          else

          {

             System.out.println("ERROR");

          }

       }        

   }

}

package com.tistory.tansanc;

import java.util.Scanner;

public class User {

   public static void main(String[] args) {

       Scanner sc = new Scanner(System.in);

       String[] word = {"기러기", "기차표","스피커"};

       String oldWord = word[

                         (int)(Math.random()*3)  ];

       System.out.println("제시어 : " + oldWord);

       String newWord = sc.nextLine();    

       if( oldWord.charAt(2) ==

             newWord.charAt(0) )

       {

          System.out.println("OK");

       }

       else

       {

          System.out.println("ERROR");

       }

       while(true)

       {

          oldWord = newWord;

          newWord = sc.nextLine();     

          if( oldWord.charAt(2) ==

                 newWord.charAt(0) )

          {

             System.out.println("OK");

          }

          else

          {

             System.out.println("ERROR");

          }

       }        

   }

}

1. 아이디 비밀번호 시스템 (Map)

ex)
아이디 : tansanc
비밀번호 : green
로그인 성공!!

아이디 : tansanc
비밀번호 : green1
비밀번호가 틀렸습니다.

아이디 : tansanc2
비밀번호 : green
존재하지 않는 아이디 입니다.

2. (Set) 쿵쿵따
제시어 : 기러기 //랜덤하게

기러기
기차표
표인봉
봉우리
이무기
기러기  // 땡!! 중복

3. 배열값을 10개 입력 받고
정렬하여 출력

4. 10000개 짜리 ArrayList,
 LinkedList 를 만들어서
 remove 속도 비교
 System.currentTimeMillis();

1. 왜 객체지향이 더 좋은지?
2. 객체와 클래스 뭐가 다른지?
3. 객체를 추상화 ex) 강아지
4. 객체지향의 캡슐화 설명
5. 객체지향의 캡슐화의 장점   왜 캡슐화를 쓰는지?
6. 객제지향의 상속 설명
7. 객체지향의 상속의 장점      왜 상속을 쓰는지?
8. 생성자 함수는 언제 불리는가?
9. 디폴트 생성자 함수는 언제 사용되는가?
10. 기초자료형과 참조자료형 의 차이점은?
11. 다중 상속이 안되는 이유? 다중 상속의 단점(CPP)

12. 인터페이스 장점
13. 추상클래스, 추상메소드 장점
14. 다형성 설명
15. 다형성 장점
16. 제네릭의 장점
17. 콜렉션은 무엇인가?

import java.util.Scanner;

public class ArrayTest4 {

   public static void main(String[] args) {

       int[][] matrix1 = { { 1, 2 }, { 3, 4 } };

       // [2][2]

       int[][] matrix2 = { { 3, 1 }, { 4, 2 } };

       int[][] matrix3 = matrixSum(matrix1, matrix2);

       int[][] matrix4 = matrixMul(matrix1, matrix2);

       // 행렬 합

       matrixPrint(matrix3);

       // 행렬 출력

   }

   private static int[][] matrixMul(int[][] matrix1, int[][] matrix2) {

       int[][] resultMatrix = new int[2][2];

       for (int j = 0; j < 2; j++) {

          for (int i = 0; i < 2; i++) {

            resultMatrix[j][i] = matrix1[j][0] * matrix2[0][i]

                    + matrix1[j][1] * matrix2[1][i];

          }

       }

       return resultMatrix;

   }

   private static void matrixPrint(int[][] matrix4) {

       for (int i = 0; i < 2; i++) {

          System.out.print("{");

          for (int j = 0; j < 2; j++) {

             System.out.print(" " + matrix4[i][j] + " ");

          }

          System.out.println("}");

       }

   }

   private static int[][] matrixSum(int[][] matrix1, int[][] matrix2) {

       int[][] resultMatrix = new int[2][2];

       for (int j = 0; j < 2; j++) {

          for (int i = 0; i < 2; i++) {

            resultMatrix[j][i] = matrix1[j][i] + matrix2[j][i];

          }

       }

       return resultMatrix;

   }

}