Example code thread synchronization

package thread;
class Display
{
public synchronized void show(String name)
{
for(int i=0;i<2;i++)
{
System.out.println("Good Morning:");
try
{
Thread.sleep(2000);
}
catch(InterruptedException e){}
System.out.println(name);
}
}
}
class MyThread1 extends Thread
    {
    Display d;
    String name;
    MyThread1(Display d, String name)
    {
    this.d=d;
    this.name=name;
    }
    public void run()
    {
    d.show(name);
    }
    
    }
public    class ThreadDemo2
    {
    public static void main(String a[])throws Exception
    {
        Display d=new Display();
        MyThread1 t1=new MyThread1(d,"java");
        MyThread1 t2=new MyThread1(d,"Sun");
        t1.start();
        t2.start();
        
    }
    }

output:
Good Morning:
java
Good Morning:
java
Good Morning:
Sun
Good Morning:
Sun