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Java Objective Questions (MCQs) - 225

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Question: 1

public class MyClass {
public static void main(String[] args){
 int a = 10;
 System.out.println(++a++);
}
}

(A) 10
(B) 11
(C) 12
(D) Compilation Error

Level: Expert Category: datatype
[Posted by: Admin | Chicago, USA]

Question: 2

public class MyClass {
public static void main(String[] args){
 int a = 10;
 System.out.println(a++++);
}
}

(A) 11
(B) 12
(C) 13
(D) Compilation Error

Level: Practitioner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 3

public class CppBuzz{
public static void main(String[] args){
  int a = 10;
  System.out.println(a++);
  a++;
}
}

(A) 10
(B) 11
(C) 12
(D) 13

Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 4

public class CppBuzz {
public static void main(String[] args){
 int a = 10;
 System.out.println(a*a++);
}
}

(A) 100
(B) 110
(C) 121
(D) Compilation Error

Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 5

public class CppBuzz {
public static void main(String[] args){
 int a = 10;
 System.out.println(a++*a++);
}
}

(A) 100
(B) 110
(C) 121
(D) 144

Level: Beginner Category: variables
[Posted by: Admin | Chicago, USA]

Question: 6

public class CppBuzz {
public static void main(String[] args){
 int a = 10;
 System.out.println(++a*a++);
}
}

(A) 121
(B) 132
(C) 144
(D) 100

Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 7

public class CppBuzz {
public static void main(String[] args){
 int a = 10;
 System.out.println(++a*++a);
}
}

(A) 121
(B) 144
(C) 132
(D) 100

Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 8

public class CppBuzz {
public static void main(String[] args){
 int a = 10;
 System.out.println(a*a--);
}
}

(A) 100
(B) 90
(C) 81
(D) 80

Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 9

public class CppBuzz {
public static void main(String[] args){
 int a = 10;
 System.out.println(a--*a--);
}
}

(A) 100
(B) 90
(C) 99
(D) 72

Level: Beginner Category: variables
[Posted by: Admin | Chicago, USA]

Question: 10

public class CppBuzz {
public static void main(String[] args){
 int a = 5+5*2+2*2+(2*3);
 System.out.println(a);
}
}

(A) 138
(B) 264
(C) 41
(D) 25

Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 11

Which of the following operators has more precedance in Java?

(A) -
(B) +
(C) *

Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 12

Which of the following is not an operator in Java?

(A) |
(B) ^
(C) ~
(D) <->

Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 13

What do you mean by >>> operator in Java

(A) Left Shift Operator
(B) Right Shift Operator
(C) Zero Fill Right Shift
(D) Zero Fill Left Shift

Level: Expert Category: operators
[Posted by: Admin | Chicago, USA]

Question: 14

Which of the following operator has more precedence?

(A) ()
(B) ++
(C) *
(D) >=

Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 15

Which one of the following is an Unary operator in Java?

(A) ()
(B) *
(C) +
(D) ++

Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 16

Which one of the following is Equality operator in Java?

(A) >=
(B) <=
(C) !=
(D) +=

Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 17

Select Odd one out from these about local variables

(A) Local variables are declared in methods, constructors, or blocks
(B) Local variables are created when the method, constructor or block is entered
(C) the variable will be destroyed once it exits the method, constructor, or block
(D) We can't create reference variables of Local variables

Level: Beginner Category: variables
[Posted by: Admin | Chicago, USA]

Question: 18

On which platforms Java runs?

(A) Windows
(B) Mac OS
(C) UNIX
(D) All of these

Level: Beginner Category: other
[Posted by: Admin | Chicago, USA]

Question: 19

Java is case sensitive langauge

(A) True
(B) False

Level: Beginner Category: variables
[Posted by: Admin | Chicago, USA]

Question: 20

Java program processing always starts with main() method

(A) True
(B) False

Level: Beginner Category: methods
[Posted by: Admin | Chicago, USA]

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Java Objective Questions (MCQs) - 225

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