Java Data Types and Variables - MCQ - Quiz

What is the output of the following program? 
public class Test{
	static int x  = 10 ;
       	public static void main(String[] a){
		 Test test = new Test( ) ; 
		 Test test1 = new Test( ) ;
		 test.x  +=  1 ;
		 System.out.println(  test.x + test1.x ) ;    
	}
}

  • A20
  • B21
  • C22
  • DCompilation Error

What will be the output for the below code ? 
1. public class Test{
2.       public static void main(String[] args){
3.             byte i = 128;
4.             System.out.println(i);
5.       }
6. }

  • A128
  • C Compilation fails with an error at line 3
  • DNone of these

Which of the following is not a primitive data type?

  • Aint
  • Bshort
  • Cbyte
  • Denum

Byte variables are declared by use of the ____________ keyword (Using Primitive Data Type).

  • ABytes
  • Bbyte
  • CByte
  • Dbytes

Range of Byte Data Type is ____________.

  • A-128 to 256
  • B-127 to 128
  • C-128 to 255
  • D-128 to 127

Default value of variable having boolean data type is ___________.

  • A1
  • Btrue
  • Dfalse

Default value of character data type in Java Programming is ___________________.

  • A'\u0000'
  • Bundefine
  • Cnull

Default value of String (or any object) in Java Programming is _____________.

  • Bfalse
  • C'\u0000'
  • Dnull

Which of the following data type is not considered as data type in Java Programming.

  • Achar
  • Bboolean
  • CString
  • Dint

You have unsaved changes or are in the middle of a quiz. If you leave, your progress might be lost. Select option for all questions.