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Multiple Threads Accessing one method in Java

Concept:
               we want access multiple thread using one method
  Main Method: Several threads are coming different location than handle it using method
                          variable names are represented as global it as unique variable as all thread
  step:-1 synchronized method used to handle multiple thread and execute one by one thread
                        with in the main main method variable names are represented because of step by step execution of threads at the time same variable name represented as different thread
step:-2  multiple threads are coming we want execute step by step by using notify and wait
             notify means it will be report coming  to execution of threads
             wait(2000); means that one thread is able to access resource sharing remaining threads won't be access it will wait 2000msec

                        

//main method: 
public class Addition
{
public synchronized void add(int a,int b,boolean status)
{
Thread t=Thread.currentThread();
String name=t.getName();
System.out.println(name+"Thread started........");
System.out.println(name+"1st number.....="+a);
System.out.println(name+"2nd number.....="+b);
try
{
if(status)
notify();
else
wait(2000);
}
catch(InterruptedException ie)
{
ie.printStackTrace();
}
int c=a+b;
System.out.println(name+"result"+c);
}

}

//example :ThreadA  all the method Local variable represented as a global variable by using this 
public class ThreadA extends Thread
{
int a,b;
boolean status;
Addition aobj;
public ThreadA(int a,int b,boolean status,Addition aobj)
{
this.a=a;
this.b=b;
this.status=status;
this.aobj=aobj;
setName("A");
start();
}
public void run()
{
aobj.add(a,b,status);
}

}
//example :ThreadB  all the method Local variable represented as a global variable by using this 
public class ThreadB extends Thread
{
int a,b;
boolean status;
Addition aobj;
public ThreadB(int a,int b,boolean status,Addition aobj)
{
this.a=a;
this.b=b;
this.status=status;
this.aobj=aobj;
setName("B");
start();
}
public void run()
{
aobj.add(a,b,status);
}

}
//Main PRogram executed..........now we call all thread's ,method and execute it

public class Program
{
public static void main(String[] args)
{
Addition aobj=new Addition();
new ThreadA(12,13,true,aobj);
new ThreadB(50,13,true,aobj);
}
}


OUTPUT
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