Java Questions

What is the output of this program ?

class main_arguments {
            public static void main(String [ ] args)
            {
                String [][] argument = new String[2][2];
                int x;
                argument[0] = args;
                x = argument[0].length;
                for (int y = 0; y < x; y++)
                    System.out.print(" " + argument[0][y]);           
            }
        }

class Hell {

public static void main(String[] args) {

Integer i = 42;

String s = (i<40)?"life":(i>50)?"base":"ball";

System.out.println(s);

}

}

try { int x = Integer.parseInt("two"); }

Which could be used to create an appropriate catch block?

main() {

int i;

printf("%d",scanf("%d",&i)); // value 10 is given as input here

}

public abstract class Shape {

private int x;

private int y;

public abstract void draw();

public void setAnchor(int x, int y) {

this.x = x;

this.y = y;

}

}

Which two classes use the Shape class correctly?

void waitForSignal() {

Object obj = new Object();

synchronized (Thread.currentThread()) {

obj.wait();

obj.notify();

}

}

Which statement is true?

public class Threads2 implements Runnable {

public void run() {

System.out.println("run.");

throw new RuntimeException("Problem");

Which among the following is true?

}

public static void main(String[] args) {

Thread t = new Thread(new Threads2());

t.start();

System.out.println("End of method.");

}

}

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