26_Threads in java

// threads

package com.company;

class MyThread extends Thread {
    public void run(){
        int i = 0;
        while (i<2000) {
            System.out.println("hello");
            System.out.println("World");
            i++;
        }
    }
}
class MyThread2 extends Thread{
    public void run(){
        int i = 0;
        while (i<2000) {
            System.out.println("Thread 2");
            System.out.println("New thread");
            i++;
        }
    }
}
public class Threads {
    public static void main(String[] args) {
        MyThread t1 = new MyThread();
        MyThread2 t2 = new MyThread2();
        t1.start();
        t2.start();
    }
}


// Runnable threads


package com.company;

class MyThreadRunnable implements Runnable{
    public void run(){
        System.out.println("Running thread");
    }

}
class MyThreadRunnable2 implements Runnable{
    public void run(){
        System.out.println("Running thread 2");
    }

}
public class Runnable_threads {
    public static void main(String[] args) {
        MyThreadRunnable mth = new MyThreadRunnable();
        Thread pm = new Thread(mth);

        MyThreadRunnable2 mth2 = new MyThreadRunnable2();
        Thread gg = new Thread(mth2);
        
        pm.start();
        gg.start();
    }
}


//Thread constructor


package com.company;

class MyThr extends Thread{
    public MyThr(String name){
        super(name);
    }
    public void run(){
        int i = 30;
        System.out.println("Thank you");
//        while (true){
//            System.out.println("I am a thread");
//        }
    }
}
public class Thread_constructor {
    public static void main(String[] args) {
        MyThr mt = new MyThr("PM");
        MyThr tm = new MyThr("GG");
        mt.start();
        System.out.println("The id of the thread is "+ mt.getId());
        System.out.println("The name of the thread is "+ mt.getName());
        System.out.println("The id of the thread is "+ tm.getId());
        System.out.println("The name of the thread is "+ tm.getName());
    }
}


//Thread priorities


package com.company;

class MyThr1 extends Thread{
    public MyThr1(String name){
        super(name);
    }
    public void run(){
        int i = 30;
        System.out.println("Thank you "+this.getName());
        while (true){
//            System.out.println("I am a thread");
            System.out.println("Thank you "+this.getName());
        }
    }
}
public class Thread_priorities {
    public static void main(String[] args) {
        MyThr1 mt = new MyThr1("PM");
        MyThr1 tm = new MyThr1("GG");
        MyThr1 gm = new MyThr1("GM");
        MyThr1 nw = new MyThr1("TM");
        nw.setPriority(Thread.MAX_PRIORITY);
        mt.setPriority(Thread.MIN_PRIORITY);
        tm.setPriority(Thread.MIN_PRIORITY);
        gm.setPriority(Thread.MIN_PRIORITY);
        mt.start();
        tm.start();
        gm.start();
        nw.start();
    }
}


//Thread methods


package com.company;

class MyThr2 extends Thread{

    public void run(){
        int i=0;
        while (i<3333) {

            System.out.println("Thank you " + this.getName());
            i++;
        }
        while (true){
//            System.out.println("I am a thread");
            System.out.println("Thank you "+this.getName());
        }
    }
}
class MyThr3 extends Thread{
    public void run(){
        int i = 30;
        System.out.println("Thank you "+this.getName());
        while (true){
//            System.out.println("I am a thread");
            System.out.println("Thank you "+this.getName());
        }
    }
}
public class Thread_methods {
    public static void main(String[] args) {
        MyThr2 t1 = new MyThr2();
        MyThr3 t2 = new MyThr3();
        t1.start();
        try {
            t1.join();
        }
        catch (Exception e){
            System.out.println(e);
        }
        t2.start();
    }
}