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Discussion :: Flow Control

  1. What will be the output of the program?

     public class If1 
 {   
    static boolean b;    
    public static void main(String [] args)    
    {      
        short hand = 42;       
        if ( hand 50 && !b ) /* Line 7 */      
        hand++;       
        if ( hand > 50 );     /* Line 9 */     
        else if ( hand > 40 )      
        {         
             hand += 7;    
             hand++;            
        }       
        else         
            --hand;        
          System.out.println(hand);  
   }  
}

    2. A.

    41
    B.

    42
    C.

    50
    D.

    51

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    Answer : Option D

    Explanation :

    In Java, boolean instance variables are initialized to false, so the if test on line 7 is true and hand is incremented. Line 9 is legal syntax, a do nothing statement. The else-if is true so hand has 7 added to it and is then incremented.

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