1.线程的休眠例子：实现在窗体中自动画线段的功能
实现界面：
详细代码：
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package
com.lixiyu;
import
java.awt.Color;
import
java.awt.Graphics;
import
java.util.Random;
import
javax.swing.JFrame;
import
javax.swing.WindowConstants;
public
class
SleepMethodTest
extends
JFrame{
/**
*
*/
private
static
final
long
serialVersionUID = -8195789572929250861L;
private
Thread t;
private
static
Color[]color={
Color.BLACK,Color.BLUE,Color.CYAN,Color.GREEN,Color.ORANGE,Color.YELLOW,Color.RED,Color.PINK,Color.LIGHT_GRAY
};
private
static
final
Random rand=
new
Random();
private
static
Color getC(){
return
color[rand.nextInt(color.length)];
}
public
SleepMethodTest(){
t=
new
Thread(
new
Runnable(){
int
x=
30
;
int
y=
50
;
public
void
run(){
while
(
true
){
try
{
Thread.sleep(
100
);
}
catch
(InterruptedException e){
e.printStackTrace();
}
Graphics graphics=getGraphics();
//创建Graphics对象
graphics.setColor(getC());
//设置颜色
graphics.drawLine(x, y,
150
, y++);
//实现在窗体中画横线,100指画出来的线的长度
if
(y>=
80
){
y=
50
;
}
}
}
});
t.start();
}
public
static
void
main(String[] args){
init(
new
SleepMethodTest(),
200
,
200
);
}
public
static
void
init(JFrame frame,
int
width,
int
height){
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
frame.setSize(width,height);
frame.setVisible(
true
);
}
}
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2.线程的挂起例子：通过join方法实现对进度条的控制
实现界面：
详细代码：
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package
com.lixiyu;
import
java.awt.BorderLayout;
import
javax.swing.JFrame;
import
javax.swing.JProgressBar;
public
class
JoinTest
extends
JFrame{
/**
*
*/
private
static
final
long
serialVersionUID = 5631108658842378793L;
private
Thread threadA;
private
Thread threadB;
final
JProgressBar progressBar=
new
JProgressBar();
final
JProgressBar progressBar2=
new
JProgressBar();
int
count=
0
;
public
static
void
main(String[] args){
init(
new
JoinTest(),
200
,
150
);
}
public
JoinTest(){
super
();
getContentPane().add(progressBar,BorderLayout.NORTH);
getContentPane().add(progressBar2,BorderLayout.SOUTH);
progressBar.setStringPainted(
true
);
progressBar2.setStringPainted(
true
);
threadA=
new
Thread(
new
Runnable(){
//使用匿名内部类形式初始化Thread实例
int
count=
0
;
@SuppressWarnings
(
"static-access"
)
public
void
run(){
//重写run(）方法
while
(
true
){
progressBar.setValue(++count);
//设置进度条的当前值
try
{
threadA.sleep(
100
);
threadB.join();
//使线程B调用join方法
}
catch
(Exception e){
e.printStackTrace();
}
}
}
});
threadA.start();
threadB=
new
Thread(
new
Runnable(){
int
count=
0
;
@SuppressWarnings
(
"static-access"
)
public
void
run(){
while
(
true
){
progressBar2.setValue(++count);
try
{
threadB.sleep(
100
);
}
catch
(Exception e){
e.printStackTrace();
}
if
(count==
100
)
break
;
}
}
});
threadB.start();
}
public
static
void
init(JFrame frame,
int
width,
int
height){
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(width,height);
frame.setVisible(
true
);
}
}
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3.线程的中断例子：interrupte()设置线程正确的停止方式
实现界面：
详细代码：
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package
com.lixiyu;
import
java.awt.BorderLayout;
import
javax.swing.JFrame;
import
javax.swing.JProgressBar;
public
class
InterruptedSwing
extends
JFrame{
/**
*
*/
private
static
final
long
serialVersionUID = 2575518138753855667L;
Thread thread;
final
JProgressBar progressBar=
new
JProgressBar();
public
static
void
main(String[] args){
init(
new
InterruptedSwing(),
200
,
150
);
}
public
InterruptedSwing(){
super
();
getContentPane().add(progressBar,BorderLayout.NORTH);
progressBar.setStringPainted(
true
);
thread=
new
Thread(
new
Runnable(){
int
count=
0
;
@SuppressWarnings
(
"static-access"
)
public
void
run(){
progressBar.setValue(++count);
try
{
thread.sleep(
2000
);
}
catch
(InterruptedException e){
System.out.println(
"当前线程中断"
);
}
}
});
thread.start();
thread.interrupt();
}
public
static
void
init(JFrame frame,
int
width,
int
height){
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(width, height);
frame.setVisible(
true
);
}
}
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本文转自lixiyu 51CTO博客，原文链接：http://blog.51cto.com/lixiyu/1312815，如需转载请自行联系原作者
