java中创建线程的方法有：1.使用Runnable接口创建；2.使用Thread继承类创建；3.使用Callable和Future创建；

java中创建线程的方法有以下几种

1.使用Runnable接口创建

public class RunnableThreadTest extends *** implements Runnable {
private int i;
public void run() {
for (i = 0; i < 100; i++) {
System.out.println(Thread.currentThread().getName() + " " + i);
}
}
public static void main(String[] args) {
for (int i = 0; i < 100; i++) {
System.out.println(Thread.currentThread().getName() + " " + i);
if (i == 20) {
RunnableThreadTest rtt = new RunnableThreadTest();
new Thread(rtt, "新线程1").start();
new Thread(rtt, "新线程2").start();
}
}
}

2.使用Thread继承类创建

public class ThreadTest extends Thread {
int i = 0;
public void run() {
for (; i < 100; i++) {
System.out.println(getName() + " " + i);
}
}
public static void main(String[] args) {
for (int i = 0; i < 100; i++) {
System.out.println(Thread.currentThread().getName() + " : " + i);
if (i == 50) {
new ThreadTest().start();
new ThreadTest().start();
}
}
}
}

3.使用Callable和Future创建

public interface Callable
{
　　V call() throws Exception;
}