推盤製作
交換
import java.awt.*;

import java.awt.event.*;

import java.util.Random;

import javax.swing.*;

public class Calculator extends JFrame implements

ActionListener{

int space;



JButton button[]=new JButton[10];



public static void main(String[]args){



new Calculator();

}



public Calculator()

{

String s;

int myrand;

int[] a = { 0,1, 2, 3, 4, 5, 6, 7, 8 };

int[] aresult;

int temp;

Random ran = new Random();

/*

for (int i = 0; i < 9; i++)

{

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

}

*/

for (int i = 0; i < 9; i++)

{

myrand=ran.nextInt(9-i);

temp=a[8-i];

a[8-i]=a[myrand];

a[myrand]=temp;

}



for (int i = 0; i < 9; i++)

{

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

}



JFrame window=new JFrame("Calculator");



window.setDefaultLookAndFeelDecorated(true);



window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);



window.setLayout(new GridLayout(3,3));



JPanel jplPanel = new JPanel();

jplPanel.setLayout(new GridLayout(3,3));



//s=Integer.toString(1);

s=String.valueOf(1);

//System.out.println(s);

//s="1";



for (int i = 0; i < 9; i++)

{

button[i] = new JButton();



button[i].setActionCommand(s);

button[i].addActionListener(this);

button[i].setSize(50,50);

button[i].setText(Integer.toString(a[i]));



jplPanel.add(button[i]);

if(Integer.valueOf(button[i].getText())==0)

{

space=i;

System.out.println(i);

}

}

window.getContentPane().add(jplPanel, BorderLayout.CENTER);

window.setSize(500,500);

window.setVisible(true);



}



public void actionPerformed(ActionEvent e) {

   



for(int i=0; i <= 9; i++)

{      

          if(e.getSource() == button[i]){

          String tempsting;

          if(i==space-1)

          {

             tempsting=button[i].getText();

             button[i].setText(button[i+1].getText());

             button[i+1].setText(tempsting);

             System.out.println(i+button[i].getText());

          }

}

}

}

}

推盤遊戲

import java.util.Random;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class test extends JFrame{
public static void main(String[]args){

Random random = new Random();
JPanel jjj = new JPanel();
int number = 0;;
int array[] = new int[16];
boolean b;

for(int i=0;i<16;i++)
{
b = true;
while(b) {
b = false;
number = random.nextInt(16)+1;
for(int j=0;j<array.length;j++) {
if(array[j]==number) {
b = true;
}
}
}
array[i] = number;
System.out.printf("array[%d]=%d\n",i,number);
}

JFrame window=new JFrame("myButton");
window.setSize(450, 150);
JButton button[]=new JButton[16];
JPanel jplPanel = new JPanel();
jplPanel.setLayout(new GridLayout(4,4,8,8));

for (int i = 0; i < 16; i++){
//button[i]=new JButton(array[16]);
button[i] = new JButton();
button[i].setSize(40,40);
button[i].setText(Integer.toString(array[i]));
if(array[i]==16)
{
button[i].setText("");
System.out.println(i);
}
button[i].addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e)
{
if(array[0]==1&&array[3]==4&&array[4]==5&&array[7]==8&&array[12]==13&&array[6]==7&&array[15]==16&&array[13]==14&&array[14]==15&&array[9]==10){JOptionPane.showMessageDialog(null,"dddddddddd");
}
//JOptionPane.showMessageDialog(null,"ddasdasdasdsads");

int a=0,c=0;
for (int i = 0; i < 16; i++)
{
if(array[i]==16)
{
a=i; 
}
}

if(a>3&&a<16)
{
if(e.getSource() == button[a-4])
{

//按下按鈕後事件
button[a-4].setText("");
button[a].setText(Integer.toString(array[a-4]));
c=array[a];
array[a]=array[a-4];
array[a-4]=c;
}
}

if(a<12&&a>-4)
{
if(e.getSource() == button[a+4])
{ //按下按鈕後事件
button[a+4].setText("");
button[a].setText(Integer.toString(array[a+4]));
c=array[a];
array[a]=array[a+4];
array[a+4]=c;
}
}
if(a>-1&&a<15)
{
if(e.getSource() == button[a+1])
{
//按下按鈕後事件
button[a+1].setText("");
button[a].setText(Integer.toString(array[a+1]));
c=array[a];
array[a]=array[a+1];
array[a+1]=c;
}
}
if(a<16&&a>0)
{
if(e.getSource() == button[a-1])
{
//按下按鈕後事件
button[a-1].setText("");
button[a].setText(Integer.toString(array[a-1]));
c=array[a];
array[a]=array[a-1];
array[a-1]=c;

}
}

}
}
);
jplPanel.add(button[i]);
}
/*public void win()
{
for(int i=0;i<16;i++)
{
if(array[i]=i)
{
System.out.println("WIN!!!");
}
}
}*/
window.getContentPane().add(jplPanel, BorderLayout.CENTER);
window.setSize(400,400);
window.setVisible(true);
}

}

mport java.awt.*;
import java.awt.event.*;
import java.util.Random;
import javax.swing.*;
public class Calculator extends JFrame implements 
ActionListener{

JButton button[]=new JButton[10];

public static void main(String[]args){

new Calculator();
}


public Calculator()
{
String s;
int myrand;
int[] a = { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
int[] aresult;
int temp;
Random ran = new Random();
for (int i = 0; i < 9; i++)
{
 System.out.println(a[i]);
}
for (int i = 0; i < 9; i++)
{
 myrand=ran.nextInt(9-i);
temp=a[8-i];
a[8-i]=a[myrand];
a[myrand]=temp;
}

for (int i = 0; i < 9; i++)
{
 System.out.println(a[i]);
}

JFrame window=new JFrame("Calculator");

window.setDefaultLookAndFeelDecorated(true);


window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

window.setLayout(new GridLayout(3,3));

JPanel jplPanel = new JPanel();
jplPanel.setLayout(new GridLayout(3,3));


//s=Integer.toString(1);
s=String.valueOf(1);
//System.out.println(s);
//s="1";

for (int i = 0; i < 9; i++)
{
button[i] = new JButton();


button[i].setActionCommand(s);
button[i].addActionListener(this);
button[i].setSize(50,50);
button[i].setText(Integer.toString(a[i]));

jplPanel.add(button[i]);
}
window.getContentPane().add(jplPanel, BorderLayout.CENTER);
window.setSize(500,500);
window.setVisible(true);


}




public void actionPerformed(ActionEvent e) {
     

for(int i=1; i <= 9; i++)
{
          if(e.getSource() == button[i]){
              System.out.println(i);
          }
    }

}


}

3*3 9宮格顯示對的數字

import java.awt.*;
import java.awt.event.*;

import javax.swing.*;

public class Calculator extends JFrame implements ActionListener{

JButton button[]=new JButton[10];

public static void main(String[]args){

new Calculator();
}


public Calculator()
{
String s;
JFrame window=new JFrame("Calculator");

window.setDefaultLookAndFeelDecorated(true);


window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

window.setLayout(new GridLayout(3,3));

JPanel jplPanel = new JPanel();
jplPanel.setLayout(new GridLayout(3,3));

//s=Integer.toString(1);
s=String.valueOf(1);
//System.out.println(s);
//s="1";

for (int i = 1; i <= 9; i++)
{
button[i] = new JButton();

button[i].setActionCommand(s);
button[i].addActionListener(this);
button[i].setSize(50,50);
button[i].setText(Integer.toString(i));

jplPanel.add(button[i]);
}
window.getContentPane().add(jplPanel, BorderLayout.CENTER);
window.setSize(500,500);
window.setVisible(true);
}




public void actionPerformed(ActionEvent e) {
for(int i=1; i<button.length; i++){
if(e.getSource() == button[i]){    
         
            System.out.println(i);
        }
    }
}
}


=======================================================================
亂數  4*4 不重複
import java.util.Random;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class test extends JFrame{
public static void main(String[]args){



Random random = new Random();

int number = 0;;
int array[] = new int[16];
boolean b;

for(int i=0;i<16;i++)
{
b = true;
while(b) {
b = false;
number = random.nextInt(16)+1;
for(int j=0;j<array.length;j++) {
if(array[j]==number) {
b = true;
}
}
}
array[i] = number;
System.out.printf("array[%d]=%d\n",i,number);
}




JFrame window=new JFrame("myButton");
window.setSize(450, 150);
JButton button[]=new JButton[16];
JPanel jplPanel = new JPanel();
jplPanel.setLayout(new GridLayout(4,4,8,8));

for (int i = 0; i < 16; i++){
//button[i]=new JButton(""+array[16]);
button[i] = new JButton();
button[i].setSize(40,40);
button[i].setText(Integer.toString(array[i]));
button[i].addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
for (int j = 0; j < 16; j++) {
if (e.getSource() == button[j]) {
System.out.println(j+1);
}
}
}

16個按鈕程式碼

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
class Test
{


public static void main(String[] args)
{
JFrame jtfMainFrame = new JFrame("Which Button Demo");
jtfMainFrame.setSize(600, 200);
JPanel jplPanel = new JPanel();
int i;
int j=1;
int num1 , num2;
JButton jbnButton[] = new JButton[16];
JButton changeButton[] = new JButton[3];
jplPanel.setLayout (new GridLayout(4, 4));
for(i = 0;i<=15;i++){
jbnButton[i]=new JButton("Button"+(i+1));
jplPanel.add(jbnButton[i]);
String s = Integer.toString(i+1);
jbnButton[i].addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {
/*if(j<3){
changeButton[j] = jbnButton[i];
num1 = i;
j++;
}
else if(j==3){
changeButton[j]=jbnButton[i];
jbnButton[num1] = changeButton[j];
jbnButton[i] = changeButton[j-1];
j=1;
}*/
//j++;
//JButton btn = (JButton[i])e.getSourec();
//lab.setText(btn.getLabel+".");
System.out.println("Button"+s);
}
});
}

jtfMainFrame.getContentPane().add(jplPanel, BorderLayout.CENTER);
jtfMainFrame.setVisible(true);
}
}

=============================================================================================

亂數不重複C

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace WindowsFormsApplication12
{
public partial class Form1 : Form
{
Random rand = new Random();
Button[,] buttons = new Button[4, 4];
public Form1()
{
InitializeComponent();
}

private void Form1_Load(object sender, EventArgs e)
{

for (int i = 0; i < 4; i++)
{
for (int j = 0; j < 4; j++)
{

buttons[i, j] = new Button();
buttons[i, j].Size = new Size(80, 80);
buttons[i, j].Location = new Point(i * 85, j * 85);

this.Controls.Add(buttons[i, j]);
}

}
}

private void button1_Click_1(object sender, EventArgs e)
{
int a, b, x;
int[] array = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };

for (int i = 15; i > 1; i--)
{

a = rand.Next(0, i);
b = array[a];
array[a] = array[i];
array[i] = b;
}

for (int i = 0; i < 4; i++)
{
for (int j = 0; j < 4; j++)
{
x = array[j * 4 + i];

buttons[i, j].Text = Convert.ToString(x);

this.Controls.Add(buttons[i, j]);
}

}
}
}
}

What's the best practice (and why) for implementing the java.awt.event.ActionListenerinterface?
import java.awt.*;  
import java.awt.event.*;

import javax.swing.*;

public class Calculator extends JFrame implements ActionListener{


public static void main(String[]args){

new Calculator();
}


public Calculator()
{
String s;
JFrame window=new JFrame("Calculator");

window.setDefaultLookAndFeelDecorated(true);


window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

window.setLayout(new GridLayout(3,3));

JPanel jplPanel = new JPanel();
jplPanel.setLayout(new GridLayout(3,3));

JButton button[]=new JButton[10];
//s=Integer.toString(1);
s=String.valueOf(1);
//System.out.println(s);
//s="1";

for (int i = 1; i <= 9; i++)
{
button[i] = new JButton();

button[i].setActionCommand(s);
button[i].addActionListener(this);
button[i].setSize(50,50);
button[i].setText(Integer.toString(i));

jplPanel.add(button[i]);
}
window.getContentPane().add(jplPanel, BorderLayout.CENTER);
window.setSize(500,500);
window.setVisible(true);
}




public void actionPerformed(ActionEvent e) {
        String cmd = e.getActionCommand();
        System.out.println(cmd);
        if (cmd == "1") {
           
            System.out.println("Yes....");
        }
    }

}

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
class Test
{


public static void main(String[] args)
{
JFrame jtfMainFrame = new JFrame("Which Button Demo");
jtfMainFrame.setSize(450, 150);
JButton  jbnButton1 = new JButton("Button 1");
JButton  jbnButton2 = new JButton("Button 2");
JButton  jbnButton3 = new JButton("Button 3");
JButton  jbnButton4 = new JButton("Button 4");
JButton  jbnButton5 = new JButton("Button 5");
JButton  jbnButton6 = new JButton("Button 6");
JButton  jbnButton7 = new JButton("Button 7");
JButton  jbnButton8 = new JButton("Button 8");
JButton  jbnButton9 = new JButton("Button 9");
jbnButton1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e)
{
System.out.println("Button 1!");
}
  });
jbnButton2.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e)
{
System.out.println("Button 2!");
}
  });
jbnButton3.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e)
{
System.out.println("Button 3!");
}
  });
jbnButton4.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e)
{
System.out.println("Button 4!");
}
  });
jbnButton5.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e)
{
System.out.println("Button 5!");
}
  });
jbnButton6.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e)
{
System.out.println("Button 6!");
}
  });
jbnButton7.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e)
{
System.out.println("Button 7!");
}
  });
jbnButton8.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e)
{
System.out.println("Button 8!");
}
  });
jbnButton9.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e)
{
System.out.println("Button 9!");
}
  });
JPanel jplPanel = new JPanel();
jplPanel.add(jbnButton1);
jplPanel.add(jbnButton2);
jplPanel.add(jbnButton3);
jplPanel.add(jbnButton4);
jplPanel.add(jbnButton5);
jplPanel.add(jbnButton6);
jplPanel.add(jbnButton7);
jplPanel.add(jbnButton8);
jplPanel.add(jbnButton9);
jtfMainFrame.getContentPane().add(jplPanel, BorderLayout.CENTER);
jtfMainFrame.setVisible(true);
System.out.print("chih-yu hsu");
}
}


多重按鈕狗爬式

http://www.javabeginner.com/java-swing/java-jbutton-class-example
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
class Test
{


public static void main(String[] args)
{
JFrame jtfMainFrame = new JFrame("Which Button Demo");
jtfMainFrame.setSize(450, 150);
JButton  jbnButton1 = new JButton("Button 1");
JPanel jplPanel = new JPanel();
jplPanel.add(jbnButton1);
jtfMainFrame.getContentPane().add(jplPanel, BorderLayout.CENTER);
jtfMainFrame.setVisible(true);
System.out.print("chih-yu hsu");
}
}