Data Types and Variables -Java Programming MCQ Questions and Answers

class variable_scope 
{
    public static void main(String args[]) 
    {
        int x;
        x = 5;
        {
      int y = 6;
      System.out.print(x + " " + y);
        }
        System.out.println(x + " " + y);
    } 
}

class mainclass {
    public static void main(String args[]) 
    {
        char a = 'A';
        a++;
  System.out.print((int)a);
    } 
}

public class AddDemo 
{
	public static void main(String args[]) 
        {
		BigDecimal b = new BigDecimal("23.43");
		BigDecimal br = new BigDecimal("24");
		BigDecimal bres = b.add(new BigDecimal("450.23"));
		System.out.println("Add: "+bres);
 
		MathContext mc = new MathContext(2, RoundingMode.DOWN);
		BigDecimal bdecMath = b.add(new BigDecimal("450.23"), mc);
		System.out.println("Add using MathContext: "+bdecMath);
	}
}

enum Season 
{
    WINTER, SPRING, SUMMER, FALL
};
System.out.println(Season.WINTER.ordinal());

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