YO-LUN-CHIEN

public class Demo {

	public static void main(String[] args) {
		int a = 21;
		int b = 39;
		int r = a % b;
		System.out.print(a + "," + b + "的最大公因數 = ");
		while(r > 0) {
			a = b;

YO-LUN-CHIEN

sqlite3 DatabaseName.db

YO-LUN-CHIEN

package com.dreammushrooms.blogger_sqlite;

import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;

public class DBHelper extends SQLiteOpenHelper {

    private static final String DATABASE_NAME = "class_info";
    private static final int DATABASE_VERSION = 1;

YO-LUN-CHIEN

package com.dreammushrooms.blogger_gradientdrawable;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

YO-LUN-CHIEN

<?xml version="1.0" encoding="utf-8"?>
<manifest package="com.dreammushrooms.blogger_changeactivity"
          xmlns:android="http://schemas.android.com/apk/res/android">

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme">
        <activity

YO-LUN-CHIEN

<?xml version="1.0" encoding="utf-8"?>
<manifest package="com.dreammushrooms.blogger_changeactivity"
          xmlns:android="http://schemas.android.com/apk/res/android">

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme">
        <activity

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public class OuterClass {

	public class InnerClass {

	}

}

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final Calendar calendar = Calendar.getInstance();
calendar.get(int field);

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package com.dreammushrooms.blogger_shaperesource;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

YO-LUN-CHIEN

package com.dreammushrooms.blogger_gravity;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);