Java - MCQ

 

Java MCQ - Loops, Decisions and Mathematical functions - Set 21

6. Which of the following is not a valid flow control statement?
A). exit()
B). break
C). continue
D). return
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7.

switch(x) 
{ 
    default:  
        System.out.println("Hello"); 
}

Which two are acceptable types for x?
1. byte
2. long
3. char
4. float
5. Short
6. Long

A). 1 and 3
B). 2 and 4
C). 3 and 5
D). 4 and 6

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8.

public void test(int x) 
{ 
    int odd = 1; 
    if(odd)
    {
        System.out.println("odd"); 
    } 
    else 
    {
        System.out.println("even"); 
    } 
}

Which statement is true?
A). Compilation fails.
B). "odd" will always be output.
C). "even" will always be output.
D). "odd" will be output for odd values of x, and "even" for even values.
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9.

public class While 
{
    public void loop() 
    {
        int x= 0;
        while ( 1 ) /* Line 6 */
        {
            System.out.print("x plus one is " + (x + 1)); /* Line 8 */
        }
    }
}

Which statement is true?
A). There is a syntax error on line 1.
B). There are syntax errors on lines 1 and 6.
C). There are syntax errors on lines 1, 6, and 8.
D). There is a syntax error on line 6.

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10.
Determine output:

public class  Test{
        public static void  main(String args[]){
                int i;

                for (i=1;i<6;i++){
                        if(i>3) contine;
                }
        System.out.println(i);
        }
}

A). 2
B). 3
C). 4
D). 6
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