Asych

public class Asych {
public static void main(String[] argv) throws Exception {
        System.out.println("Main Method start");
        //longRunningMethod("testing", new Object());
        asyncServiceMethod("testing",new Object());
        otherMethod();
    }
   
    public static Integer longRunningMethod(String param1,Object parm2) throws InterruptedException{
        System.out.println("Long running method");
        Thread.sleep(5000);
        //long process
        return 1;
    }
   
    public static void otherMethod(){
        System.out.println("Other Method");
    }
   
   
    public static void asyncServiceMethod(final String parm1,final Object obj){
        Runnable task = new Runnable() {

            @Override
            public void run() {
                try {
                   longRunningMethod(parm1,obj);
                } catch (Exception ex) {
                    //handle error which cannot be thrown back
                }
            }
        };
        new Thread(task, "ServiceThread").start();
    }

}