New：初始状态 （未调用start ）刚刚创建完
Runnable：运行状态 执行start
Blocked：阻塞状态
Waiting：等待状态 通过Join sleep等方法使线程在等待
Timed Waiting ：计时等待状态 sleep join 等方法设置了参数
Terminated：终止状态，线程执行完毕
package org.example.test1;
public class StateThread {
public static void test1(){//NEW
Thread t1 = new Thread(()->{
System.out.println("Thread1");
});
System.out.println(t1.getState());
}
public static void test2() throws InterruptedException {//Terminated
Thread t1 = new Thread(()->{
System.out.println("线程开始执行");
System.out.println("线程结束执行");
});
t1.start();
Thread.sleep(3000);
System.out.println(t1.getState());
}
public static void test3(){//Runnable
Thread t1 = new Thread(()->{
});
t1.start();
System.out.println(t1.getState());
}
public static void test4() throws InterruptedException {//Blocked
class Table{
public synchronized void use(){
System.out.println(Thread.currentThread().getName()+"-使用桌子");
try {
Thread.sleep(3000);
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
System.out.println(Thread.currentThread().getName()+"-使用完毕");
}
}
System.out.println(Thread.currentThread().getName());
Table table = new Table();
Thread student1 = new Thread(()->{
table.use();
},"s1");
Thread student2 = new Thread(()->{
table.use();
},"s2");
student1.start();
Thread.sleep(1000);
student2.start();
Thread.sleep(1000);
System.out.println(student2.getState());
}
public static void test5() throws InterruptedException {//Waiting
class Table{
public synchronized void use() throws InterruptedException {
System.out.println(Thread.currentThread().getName()+"-使用桌子");
System.out.println("忘记点餐了");
wait();
System.out.println(Thread.currentThread().getName()+"-使用完毕");
}
}
Table table = new Table();
Thread student1 = new Thread(()->{
try {
table.use();
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
},"s1");
student1.start();
Thread.sleep(100);
System.out.println(student1.getState());
}
public static void test6() throws InterruptedException {//Timed_Waiting
class Table{
public synchronized void use() throws InterruptedException {
System.out.println(Thread.currentThread().getName()+"-使用桌子");
System.out.println("忘记点餐了");
wait(3000);
System.out.println(Thread.currentThread().getName()+"-使用完毕");
}
}
Table table = new Table();
Thread student1 = new Thread(()->{
try {
table.use();
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
},"s1");
student1.start();
Thread.sleep(100);
System.out.println(student1.getState());
}
public static void main(String[] args) throws InterruptedException {
//test1();
//test2();
//test3();
//test4();
//test5();
test6();
}
}