package test; class C { void f1() throws Exception { /* throws keyword can be only written before any function name within function any * exception occurs this function will return back the object from where the function is called * */ //NullPointerException np = new NullPointerException(); //throw np; //throw new NullPointerException(); //creating exception explicitly using throw keyword int z= 5/0; } } public class Main { public static void main(String[] args) { try { C ob1 = new C(); ob1.f1(); }catch(Exception e) { System.out.println(e.toString());//It will display the class name of which error object is created } System.out.println("Hello"); } }