The developer can force garbage collection by calling System.gc().

The following line of code is valid. int x = 9; byte b = x;

At first JAVA was named as______ .

A lock can be acquired in a class.

Garbage collection guarantee that a program will not run out of memory.

What is the purpose of the Runtime class?

Which containers may have a MenuBar?

Can a Byte object be cast to a double value?

A class inherit the constructors of its superclass?

Which abstract class is the super class of all classes used for writing characters. Select the one correct answer.

Checked Exceptions are

Which class is the immediate superclass of the Container class?

class test{} class tester extends test{ public static void main(String[] args) { test t1 = new tester(); test t2 = new test(); tester t3 = new tester(); System.out.println( t1 instanceof tester); System.out.println( t2 instanceof tester); System.out.println( t3 instanceof tester); System.out.println( t1 instanceof test); System.out.println( t2 instanceof test); System.out.println( t3 instanceof test); }

public class Fun { public static void main(String[] args){ int x=0; boolean b=true; String str; str=(b)?"success": (x=0)?"Failure":"Neither"; System.out.println(str); } }

public class Top { private int i; Top(int i) {this.i=i; } public int getValue(){ return this.i; } } class Bottom{ public static void main(String[] args) { Top tp = new Top(5); String j = Integer.toString(tr.getValue()); tp.i=15; System.out.println( tp.i + j); } }

public class Play { public static void main(String[] args) { int[][] a = {{5,2,4,7}, {9,2}, {3,4}}; int[] b = a[1]; int[][] b1= new int[3][]; int a2 = b[2]; System.out.println(a2); } }