===================================================================
// with event
//Swing, JButton類別 有ActionListener//Swing, JButton類別
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class SwingTestEvent extends JFrame implements ActionListener
{
//static JFrame myfrm=new JFrame("JButton class"); // Java Class JFrame
//static AwtTestEvent myfrm=new AwtTestEvent("JFrame 1 "); // Java Class JFrame
static JTextField tbx1=new JTextField(2); // 建立1文字方塊物件
static JButton buttons[]=new JButton[10];
static JLabel labels[]=new JLabel [10];
public static void main(String args[])
{
SwingTestEvent myfrm=new SwingTestEvent();
String numbers[] = {"0", "1", "2", "3", "4", "5", "6", "7", "8"};
FlowLayout flow=new FlowLayout();
GridLayout grid12= new GridLayout(1,2);
GridLayout grid33= new GridLayout(3,3);
myfrm.setLayout(grid12);
myfrm.setSize(450,450);
JPanel p1 = new JPanel(grid33); //實作 panel 1
for (int i = 0; i < numbers.length; i++)
{
buttons[i] = new JButton(numbers[i]); // create buttons
p1.add(buttons[i], grid33); // 在 panel 1內加入按鈕陣列
}
myfrm.add(p1); // 在視窗myfrm 內加入 panel 1
JPanel p3 = new JPanel(grid33); //實作 panel 3
for (int i = 0; i < numbers.length; i++)
{
labels[i] = new JLabel(); // create labels
p3.add(labels[i], grid33); // 在 panel 1內加入按鈕陣列
}
myfrm.add(p3); // 在視窗myfrm 內加入 panel 3
JPanel p2 = new JPanel(flow); //實作 panel 2
JButton btn1=new JButton("JButton 1"); // 建立按鈕物件 btn1
btn1.addActionListener(myfrm);
p2.add(tbx1); // 在 panel 2內加入文字方塊
p2.add(btn1); // 在 panel 2內加入按鈕
myfrm.add(p2); // 在視窗myfrm 內加入 panel 2
myfrm.setVisible(true);
}
public void actionPerformed(ActionEvent e)
{
String stringValue;
stringValue=tbx1.getText();
int intValue = Integer.parseInt(stringValue);
System.out.println(intValue);
buttons[intValue].setBackground(Color.blue);
labels[intValue].setText(stringValue);
}
}
===================================================================
9個隨機亂數button(未解決重複)
===================================================================
public void actionPerformed(ActionEvent e)
{String numbers[] = {"0", "1", "2", "3", "4", "5", "6", "7", "8"};
int rndno;
String stringValue;
rndno = (int) (Math.random()*9);
for (int i = 0; i <9; i++)
{
rndno = (int) (Math.random()*9);
System.out.println(rndno);
numbers[i]=String.valueOf (rndno);
buttons[i].setLabel(numbers[i]);
}
}
===================================================================
3*3已解決
===================================================================
// with event//Swing, JButton類別 有ActionListener
//Swing, JButton類別
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class SwingTestEvent2 extends JFrame implements ActionListener
{
//static JFrame myfrm=new JFrame("JButton class"); // Java Class JFrame
//static AwtTestEvent myfrm=new AwtTestEvent("JFrame 1 "); // Java Class JFrame
static JTextField tbx1=new JTextField(2); // 建立1文字方塊物件
static JButton buttons[]=new JButton[10];
static JLabel labels[]=new JLabel [10];
public static void main(String args[])
{
SwingTestEvent2 myfrm=new SwingTestEvent2();
String numbers[] = {"0", "1", "2", "3", "4", "5", "6", "7", "8"};
FlowLayout flow=new FlowLayout();
GridLayout grid12= new GridLayout(1,2);
GridLayout grid33= new GridLayout(3,3);
myfrm.setLayout(grid12);
myfrm.setSize(450,450);
JPanel p1 = new JPanel(grid33); //實作 panel 1
for (int i = 0; i < numbers.length; i++)
{
buttons[i] = new JButton(numbers[i]); // create buttons
p1.add(buttons[i], grid33); // 在 panel 1內加入按鈕陣列
}
myfrm.add(p1); // 在視窗myfrm 內加入 panel 1
JPanel p3 = new JPanel(grid33); //實作 panel 3
for (int i = 0; i < numbers.length; i++)
{
labels[i] = new JLabel(); // create labels
p3.add(labels[i], grid33); // 在 panel 1內加入按鈕陣列
}
myfrm.add(p3); // 在視窗myfrm 內加入 panel 3
JPanel p2 = new JPanel(flow); //實作 panel 2
JButton btn1=new JButton("JButton 1"); // 建立按鈕物件 btn1
btn1.addActionListener(myfrm);
p2.add(tbx1); // 在 panel 2內加入文字方塊
p2.add(btn1); // 在 panel 2內加入按鈕
myfrm.add(p2); // 在視窗myfrm 內加入 panel 2
myfrm.setVisible(true);
}
public void actionPerformed(ActionEvent e)
{
String numbers[] = {"0", "1", "2", "3", "4", "5", "6", "7", "8"};
int rndno;
String stringValue;
String tmp;
//stringValue=tbx1.getText();
//int intValue = Integer.parseInt(stringValue);
//System.out.println(intValue);
/*
for (int i = 0; i <9; i++)
{
//rndno = (int) (Math.random()*(10-i));
rndno = (int) (Math.random()*9);
//Collections.shuffle(rndno);
System.out.println(rndno);
numbers[i]=String.valueOf (rndno);
buttons[i].setLabel(numbers[i]);
}
*/
/*
rndno = (int) (Math.random()*9);
System.out.println(rndno);
tmp=numbers[8];
numbers[8]=numbers[rndno];
numbers[rndno]=tmp;
rndno = (int) (Math.random()*9);
System.out.println(rndno);
tmp=numbers[7];
numbers[7]=numbers[rndno];
numbers[rndno]=tmp;
rndno = (int) (Math.random()*9);
System.out.println(rndno);
tmp=numbers[6];
numbers[6]=numbers[rndno];
numbers[rndno]=tmp;
rndno = (int) (Math.random()*9);
System.out.println(rndno);
tmp=numbers[5];
numbers[5]=numbers[rndno];
numbers[rndno]=tmp;
rndno = (int) (Math.random()*9);
System.out.println(rndno);
tmp=numbers[4];
numbers[4]=numbers[rndno];
numbers[rndno]=tmp;
rndno = (int) (Math.random()*9);
System.out.println(rndno);
tmp=numbers[3];
numbers[3]=numbers[rndno];
numbers[rndno]=tmp;
rndno = (int) (Math.random()*9);
System.out.println(rndno);
tmp=numbers[2];
numbers[2]=numbers[rndno];
numbers[rndno]=tmp;
*/
/*
for (int i = 0; i <9; i++)
{
//int j=8-i;
rndno = (int) (Math.random()*9);
System.out.println(rndno);
tmp=numbers[i];
numbers[i]=numbers[rndno];
numbers[rndno]=tmp;
}
*/
for (int i = 0; i < 9; i++)
{
int j=8-i;
rndno=(int) (Math.random()*(j+1));
System.out.println(rndno);
tmp=numbers[j];
numbers[j]=numbers[rndno];
numbers[rndno]=tmp;
}
for (int i = 0; i < 9; i++)
{
System.out.println(numbers[i]);
buttons[i].setLabel(numbers[i]);
}
//tbx1.setText(numbers[0]);
//buttons[rndno].setBackground(Color.blue);
//labels[rndno].setText(numbers[0]);
}
}
===================================================================
5*5隨機不重複
===================================================================
// with event//Swing, JButton類別 有ActionListener
//Swing, JButton類別
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
//import java.lang.*;
//import java.util.Collections;
public class SwingTestEvent3 extends JFrame implements ActionListener
{
//static JFrame myfrm=new JFrame("JButton class"); // Java Class JFrame
//static AwtTestEvent myfrm=new AwtTestEvent("JFrame 1 "); // Java Class JFrame
static JTextField tbx1=new JTextField(2); // 建立1文字方塊物件
static JButton buttons[]=new JButton[25];
static JLabel labels[]=new JLabel [25];
public static void main(String args[])
{
SwingTestEvent3 myfrm=new SwingTestEvent3();
String numbers[] = {"0", "1", "2", "3", "4", "5", "6", "7", "8","9","10", "11", "12", "13", "14", "15", "16", "17", "18","19","20","21","22","23","24"};
FlowLayout flow=new FlowLayout();
GridLayout grid12= new GridLayout(4,5);
GridLayout grid33= new GridLayout(5,5);
myfrm.setLayout(grid12);
myfrm.setSize(650,650);
JPanel p1 = new JPanel(grid33); //實作 panel 1
for (int i = 0; i < numbers.length; i++)
{
buttons[i] = new JButton(numbers[i]); // create buttons
p1.add(buttons[i], grid33); // 在 panel 1內加入按鈕陣列
}
myfrm.add(p1); // 在視窗myfrm 內加入 panel 1
JPanel p3 = new JPanel(grid33); //實作 panel 3
for (int i = 0; i < numbers.length; i++)
{
labels[i] = new JLabel(); // create labels
p3.add(labels[i], grid33); // 在 panel 1內加入按鈕陣列
}
myfrm.add(p3); // 在視窗myfrm 內加入 panel 3
JPanel p2 = new JPanel(flow); //實作 panel 2
JButton btn1=new JButton("JButton 1"); // 建立按鈕物件 btn1
btn1.addActionListener(myfrm);
p2.add(tbx1); // 在 panel 2內加入文字方塊
p2.add(btn1); // 在 panel 2內加入按鈕
myfrm.add(p2); // 在視窗myfrm 內加入 panel 2
myfrm.setVisible(true);
}
public void actionPerformed(ActionEvent e)
{
String numbers[] = {"0", "1", "2", "3", "4", "5", "6", "7", "8","9","10", "11", "12", "13", "14", "15", "16", "17", "18","19","20","21","22","23","24"};
int rndno;
String tmp;
String stringValue;
//stringValue=tbx1.getText();
//int intValue = Integer.parseInt(stringValue);
//System.out.println(intValue);
/*
for (int i = 0; i <25; i++)
{
//rndno = (int) (Math.random()*(10-i));
rndno = (int) (Math.random()*25);
//Collections.shuffle(qList);
System.out.println(rndno);
numbers[i]=String.valueOf (rndno);
buttons[i].setLabel(numbers[i]);
}
*/
for (int i = 0; i < 25; i++)
{
tbx1.setText("");
int j=24-i;
rndno=(int) (Math.random()*(j+1));
System.out.println(rndno);
tmp=numbers[j];
numbers[j]=numbers[rndno];
numbers[rndno]=tmp;
}
for (int i = 0; i < 25; i++)
{
System.out.println(numbers[i]);
buttons[i].setLabel(numbers[i]);
}
//buttons[rndno].setBackground(Color.blue);
//labels[rndno].setText(numbers[i]);
}
}
===================================================================
100隨機產生25個public void actionPerformed(ActionEvent e)
{
//String numbers[] = {"0", "1", "2", "3", "4", "5", "6", "7", "8","9","10", "11", "12", "13", "14", "15", "16", "17", "18","19","20","21","22","23","24"};
String numbers[]=new String[101];
for (int i = 0; i <101; i++)
{
numbers[i]=String.valueOf(i);
}
int rndno;
String tmp;
String stringValue;
//stringValue=tbx1.getText();
//int intValue = Integer.parseInt(stringValue);
//System.out.println(intValue);
for (int i = 0; i < 101; i++)
{
tbx1.setText(numbers[i]);
int j=100-i;
rndno=(int) (Math.random()*(j+1));
System.out.println(rndno);
tmp=numbers[j];
numbers[j]=numbers[rndno];
numbers[rndno]=tmp;
}
for (int i = 0; i < 25; i++)
{
System.out.println(numbers[i]);
buttons[i].setLabel(numbers[i]);
}
//buttons[rndno].setBackground(Color.blue);
//labels[rndno].setText(numbers[i]);
}
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