java双线程代码,多线程java代码
java实现两个线程,一个打印奇数,一个打印偶数,这两个线程如何并发执行？
package test;
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public class Test33{
private static int state = 1;
private static int num1 = 1;
private static int num2 = 2;
public static void main(String[] args) {
final Test33 t = new Test33();
new Thread(new Runnable() {
@Override
public void run() {
while(num1100){
//两个线程都用t对象作为锁，保证每个交替期间只有一个线程在打印
synchronized (t) {
// 如果state!=1, 说明此时尚未轮到线程1打印, 线程1将调用t的wait()方法, 直到下次被唤醒
if(state!=1){
try {
t.wait();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
// 当state=1时, 轮到线程1打印5次数字
for(int j=0; j1; j++){
System.out.println(num1);
num1 += 2;
}
// 线程1打印完成后, 将state赋值为2, 表示接下来将轮到线程2打印
state = 2;
// notifyAll()方法唤醒在t上wait的线程2, 同时线程1将退出同步代码块, 释放t锁
t.notifyAll();
}
}
}
}).start();
new Thread(new Runnable() {
@Override
public void run() {
while(num2100){
synchronized (t) {
if(state!=2){
try {
t.wait();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
for(int j=0; j1; j++){
System.out.println(num2);
num2 += 2;
}
state = 1;
t.notifyAll();
}
}
}
}).start();
}
}
JAVA:编写一个程序实现两个线程：
public class TestThreadOutput {
public static void main(String[] args) {
OutputInt opi=new OutputInt();
Thread th1=new Thread(opi);
Thread th2=new Thread(opi);
th1.start();
th2.start();
}
}
class OutputInt implements Runnable{
public void run() {
for(int i=10;i=15;i++){
System.out.print(i+",");
try {
Thread.sleep(500);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
请采纳答案，支持我一下。
java线程的经典代码
package threadgroup;
class ThreadDemo3 extends Thread {
private String name;
private int delay;
public ThreadDemo3(String sname, int i_delay) {
name = sname;
delay = i_delay;
}
public void run() {
try {
sleep(delay);
} catch (InterruptedException e) {
}
System.out.println("多线程测试！\n" + name + "\n" + delay);
}
}
public class testMyThread {
public static void main(String[] args) {
ThreadDemo3 th1,th2,th3;
th1 = new ThreadDemo3("线程1", (int) (Math.random() * 900));
th2 = new ThreadDemo3("线程2", (int) (Math.random() * 900));
th3 = new ThreadDemo3("线程3", (int) (Math.random() * 900));
th1.start();
th2.start();
th3.start();
}
}
package threadgroup;
public class threadDemo {
public static void main(String[] args) {
Thread t = Thread.currentThread();
t.setName("你好吗？");
System.out.println("正在进行的Thread是：" + t);
try {
for (int i = 0; i 5; i++) {
System.out.println("我不叫穆继超" + i);
Thread.sleep(3000);
}
} catch (Exception e) {
// TODO: handle exception
System.out.println("Thread has wrong" + e.getMessage());
}
}
}
package threadgroup;
public class threadDemo2 implements Runnable {
public threadDemo2() {
Thread t1 = Thread.currentThread();
t1.setName("第一个主进程");
System.out.println("正在运行" + t1);
Thread t2 = new Thread(this, "");
System.out.println("在创建一个进程");
t2.start();
try {
System.out.println("使他进入第一个睡眠状态");
Thread.sleep(2000);
} catch (InterruptedException e) {
System.out.println("Thread has wrong" + e.getMessage());
}
System.out.println("退出第一个进程");
}
public void run() {
try {
for (int i = 0; i 5; i++) {
System.out.println("进程" + i);
Thread.sleep(3000);
}
} catch (InterruptedException e) {
// TODO: handle exception
System.out.println("Thread has wrong" + e.getMessage());
}
System.out.println("退出第二个进程");
}
public static void main(String[] args) {
new threadDemo2();
}
}
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