Menu
Home / Java Programming / Assertions :: Discussion

Discussion :: Assertions

  1. What will be the output of the program?

     public class Test 
 {    
    public static int y;   
    public static void foo(int x)    
    {     
        System.out.print("foo ");     
        y = x;    
    }    
    public static int bar(int z)   
    {        
       System.out.print("bar ");        
       return y = z;     
    }
    public static void main(String [] args )    
    {   
       int t = 0;   
       assert t > 0 : bar(7);     
       assert t > 1 : foo(8); /* Line 18 */   
       System.out.println("done ");     
   } 
}

    2. A.

    bar
    B.

    bar done
    C.

    foo done
    D.

    Compilation fails

    View Answer

    Workspace

    View Answer

    Answer : Option D

    Explanation :

    The foo() method returns void. It is a perfectly acceptable method, but because it returns void it cannot be used in an assert statement, so line 18 will not compile.

Write your comments here:

Be The First To Comment