static int enter(){
    	Stack set = new Stack();
    	Scanner scanints = new Scanner(System.in);
    	int nextnummm;
    	boolean askmore = true;
    	while (askmore){
    		try{
    			nextnummm = scanints.nextInt();
    			set.push(nextnummm);
    		}catch (NumberFormatException e)){
    			askmore = false;
    		}    		
    	}
		System.out.print("DONE");

    	return 0;
    }


CRASH:


s    <--- entered
Exception in thread "main" java.util.InputMismatchException
    at java.util.Scanner.throwFor(Scanner.java:819)
    at java.util.Scanner.next(Scanner.java:1431)
    at java.util.Scanner.nextInt(Scanner.java:2040)
    at java.util.Scanner.nextInt(Scanner.java:2000)
    at Data.enter(Data.java:57)
    at Data.main(Data.java:32)

Process completed.