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Discussion :: Flow Control

  1. What will be the output of the program?

     Float f = new Float("12"); 
 switch (f) 
 {    
     case 12: System.out.println("Twelve");     
     case 0: System.out.println("Zero");     
     default: System.out.println("Default");  
}

    2. A.

    Zero
    B.

    Twelve
    C.

    Default
    D.

    Compilation fails

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    Answer : Option D

    Explanation :

    The switch statement can only be supported by integers or variables more "narrow" than an integer i.e. byte, char, short. Here a Float wrapper object is used and so the compilation fails.

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