程序编译的时候提示找不到main class
class MultiThread implements Runnable
{
private String name;
public MultiThread(String name)
{
this.name=name;
Thread t=new(this,name);
t.start();
}
public void run()
{
for(int i=5;i>0;i--)
try
{
System.out.println("Thread"+Thread.currentThread().getName()+":"+i);
Thread.sleep(100);
System.out.println("Thread"+Thread.currentThread().getName()+"exit");
}
catch(InterruptedException e)
{
System.out.println("Thread"+Thread.currentThread().getName()+"is interrupted");
}
}
}
class MultiThreadDemo
{
public static void main(String [] args)
{
new MultiThread("a");
new MultiThread("b");
new MultiThread("c");
System.out.println("Thread"+Thread.currentThread().getName()+"start");
try
{
Thread.sleep(3000);
}
catch(InterruptedException e)
{
System.out.println("Thread"+Thread.currentThread().getName()+"is interrupted");
}
}
}
class MultiThread implements Runnable
{
private String name;
public MultiThread(String name)
{
this.name=name;
Thread t=new(this,name);
t.start();
}
public void run()
{
for(int i=5;i>0;i--)
try
{
System.out.println("Thread"+Thread.currentThread().getName()+":"+i);
Thread.sleep(100);
System.out.println("Thread"+Thread.currentThread().getName()+"exit");
}
catch(InterruptedException e)
{
System.out.println("Thread"+Thread.currentThread().getName()+"is interrupted");
}
}
}
class MultiThreadDemo
{
public static void main(String [] args)
{
new MultiThread("a");
new MultiThread("b");
new MultiThread("c");
System.out.println("Thread"+Thread.currentThread().getName()+"start");
try
{
Thread.sleep(3000);
}
catch(InterruptedException e)
{
System.out.println("Thread"+Thread.currentThread().getName()+"is interrupted");
}
}
}
class MultiThreadDemo implements Runnable {
String name;
public MultiThreadDemo(String name){
this.name=name;
} public void run() {
for (int i = 5; i > 0; i--) try {
System.out.println("Thread" + Thread.currentThread().getName()
+ ":" + i);
Thread.sleep(100);
System.out.println("Thread" + Thread.currentThread().getName()
+ "exit");
} catch (InterruptedException e) {
System.out.println("Thread" + Thread.currentThread().getName()
+ "is interrupted");
}
} public static void main(String[] args) {
new Thread(new MultiThreadDemo("a")).start();
new Thread(new MultiThreadDemo("b")).start();
new Thread(new MultiThreadDemo("c")).start();
System.out.println("Thread" + Thread.currentThread().getName()
+ "start");
try {
Thread.sleep(3000);
} catch (InterruptedException e) {
System.out.println("Thread" + Thread.currentThread().getName()
+ "is interrupted");
}
}
}
你调用的不对。这样或是上面那样!class MultiThread implements Runnable {
String name;
public MultiThread(String name){
this.name=name;
} public void run() {
for (int i = 5; i > 0; i--) try {
System.out.println("Thread" + Thread.currentThread().getName()
+ ":" + i);
Thread.sleep(100);
System.out.println("Thread" + Thread.currentThread().getName()
+ "exit");
} catch (InterruptedException e) {
System.out.println("Thread" + Thread.currentThread().getName()
+ "is interrupted");
}
}}
class MultiThreadDemo{
public static void main(String[] args) {
new Thread(new MultiThread("a")).start();
new Thread(new MultiThread("b")).start();
new Thread(new MultiThread("c")).start();
System.out.println("Thread" + Thread.currentThread().getName()
+ "start");
try {
Thread.sleep(3000);
} catch (InterruptedException e) {
System.out.println("Thread" + Thread.currentThread().getName()
+ "is interrupted");
}
}
}
class MultiThread implements Runnable
{
private String name;public void run()
{
for(int i=5;i>0;i--)try
{
System.out.println("Thread "+Thread.currentThread().getName()+":"+i);
Thread.sleep(100);
System.out.println("Thread "+Thread.currentThread().getName()+"exit");
}
catch(InterruptedException e)
{
System.out.println("Thread "+Thread.currentThread().getName()+"is interrupted");
}
}
public MultiThread(String name)
{
this.name=name;
//System.out.println(name);
Thread t=new Thread(this);
t.start();
}}
class MultiThreadDemo
{
public static void main(String [] args)
{
System.out.println("Thread "+Thread.currentThread().getName()+"start");
new MultiThread("a");
new MultiThread("b");
new MultiThread("c");try
{
Thread.sleep(3000);
}
catch(InterruptedException e)
{
System.out.println("Thread "+Thread.currentThread().getName()+"is interrupted");
}
}
}你的
Thread t=new(this,name);这行不对 没有这么写的。
public MultiThread(String name)
{
this.name=name;
Thread t=new(this,name);
t.start();
}
改为:
public MultiThread(String name)
{
this.name=name;
Thread t=new Thread(this,name);
t.start();
}
输出结果:
Threadmain start
Threadb:5
Threada:5
Threadc:5
Threadaexit
Threadcexit
Threadc:4
Threadbexit
Threadb:4
Threada:4
Threadcexit
Threadc:3
Threadaexit
Threada:3
Threadbexit
Threadb:3
Threadcexit
Threadc:2
Threadaexit
Threada:2
Threadbexit
Threadb:2
Threadaexit
Threadcexit
Threadc:1
Threadbexit
Threada:1
Threadb:1
Threadcexit
Threadaexit
Threadbexit