Threads

[Vihanga Rajalingam]

class X{}
class Demo{
public static void main(String args[]){
final A a1=new A();

new Thread(){
public void run(){
synchronized(A.class){
a1.printName("Vihanga");
}
}
}.start();
//-----------------------

new Thread(){
public void run(){
a1.printAddress("Panadura");
}
}.start();
}
}
class A{
void printName(String name){
System.out.print("[");
try{Thread.sleep(1000);}catch(InterruptedException e){}
System.out.println(name+"]");
}
static synchronized void printAddress(String address){
System.out.print("{");
try{Thread.sleep(1000);}catch(InterruptedException e){}
System.out.println(address+"}");
}


I can't understand this program.

[Henry Wong]

Vihanga Rajalingam wrote:

class X{}
class Demo{
	public static void  main(String args[]){
		final A a1=new A();

		new Thread(){
			public void run(){
				synchronized(A.class){
					a1.printName("Vihanga");
				}
			}
		}.start();
		//-----------------------
		
		new Thread(){
			public void run(){
				a1.printAddress("Panadura");
			}
		}.start();
	}
}
class A{
	void printName(String name){
		System.out.print("[");
		try{Thread.sleep(1000);}catch(InterruptedException e){}
		System.out.println(name+"]");	
	}
	static synchronized void printAddress(String address){
		System.out.print("{");
		try{Thread.sleep(1000);}catch(InterruptedException e){}
		System.out.println(address+"}");	
	}	

I can't understand this program.

As already mentioned in your other topics, you have to help us help you. There are lots of concepts going on in this example, and we have no idea of what your knowledge is? Do you know threading? If so, how much? Do you know what an inner class is? Please read this...

https://www.coderanch.com/how-to/java/TellTheDetails

Also take a look at other tips here ... https://www.coderanch.com/how-to/java/HowToAskQuestionsOnJavaRanch

Henry