Java Programming Questions and Answers

Showing 21 - 30 of 37 questions

The signed right shift operator in Java is --. Select the one correct answer.

>>>

None of these

correct answer c

intx = 0, y = 0 , z = 0 ;
x = (++x + y-- ) * z++;

What will be the value of "x" after execution ?

-2

-1

correct answer c

C is the correct answer.

int ++a = 100 ; 
System.out.println( ++a ) ;

What will be the output of the above fraction of code ?

100

Displays error as ++a is not enclosed in double quotes in println statement

Compiler displays error as ++a is not a valid identifier

None of these

correct answer c

C is the correct answer.

What is the output of the following program ?

class Numbers{public static void main(String args[]){inta=20, b=10;
                if((a < b) && (b++ < 25)){
                        System.out.println("This is any language logic");
                }
                System.out.println(b); 
        }
}

None of these

correct answer c

C is the correct answer.

Select from among the following character escape code which is not available in Java.

None of these

correct answer c

C is the correct answer.

What will be the output?

if(1 + 1 + 1 + 1 + 1 == 5){
        System.out.print("TRUE");
}else{
        System.out.print("FLASE");
}

True

False

Compiler Error

None of these

correct answer a

A is the correct answer.

Consider the following code fragment:

int x;

int a = 5;

int b= 8;

x = ++a + b++;

After the execution of this code fragment, what is the value of x?

A. 13

B. 14

C. 15

D. Compilation fails

correct answer b

Consider the following code fragment:

1. public class Unary{

2. public static void main(String[] args) {

3. byte x = 7;

4. byte y = 6*x++;

5. byte z = x*y;

6. System.out.println ("z: " + z);

7. }

What is the output of this code fragment?

A. z:42

B. z:48

C. The code will not compile due to line 4.

D. The code will compile but will generate a run time error.

correct answer c

Consider the following code fragment:

public class Unary

{

public static void main(String[] args)

{

int x = 7;

int y = 6*x++;

System.out.println (" y= " + y);

int a = 7;

int b = 6*++a;

System.out.println (" b= " + b);

}

What is the output of this code fragment?

A. y=42

b=48

B. y=48

b=48

C. y=48

b=42

D. y=42

b=42

correct answer

Consider the following code fragment:

int x = 9;

int y = -2;

System.out.println("output: " + x%y);

What is the output of this code fragment?

A. -1

B. 1

C. 4.5

D. 4

correct answer b

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