gs gs128 Java Data Types Variables Arrays - Java Type Conversions, Promotions and Castings - Quiz No.1

 public class prototype { } 

 byte b = 50; b = b * 50; 

 class char_increment { public static void main(String args[]) { char c1 = 'D'; char c2 = 84; c2++; c1++; System.out.println(c1 + " "  + c2); } }

 class conversion { public static void main(String args[]) { double a = 295.04; int  b = 300; byte c = (byte) a; byte d = (byte) b; System.out.println(c + " "  + d); } }

 class A { final public int calculate(int a, int b) { return 1; } } class B extends A { public int calculate(int a, int b) { return 2; } } public class output { public static void main(String args[]) { B object = new B(); System.out.print("b is " + b.calculate(0, 1)); } }

 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 c { public void main( String[] args ) { System.out.println( "Hello" + args[0] ); } }