Core Java Online Quiz Question

Welcome to your Core Java Online Quiz Questions

Name

1.) What is the correct method used to insert and delete items from the queue?

A.) Enqueue and Dequeue

B.) Push and Pop

C.) Add and Remove

D.) None of the Above

2.) What is not the Part of OOp's Concepts?

A.) Inheritance

B.) Encapsulation

C.) FileHandling

D.) Abstraction

3.) What is the right syntax for JAVA main method?

A.) public static void main(String args[]) {
System.out.println("Main Method");
}

B.) public static void main(String...s) {
System.out.println("Main Method");
}

C.) Both A and B

D.) None of the Above

4.) Which of the following option leads to the security of Java?

A.) Exception Handling

B.) Bytecode is executed by JVM

C.) Use of Applets

D.) None of the Above

5.) Which of the following term is true about String?

A.) String is immutable.

B.) String is mutable.

C.) String is not a Class.

D.) None of the Above.

6.) Which of the below is a valid way to instantiate an array in java?

A.) int myArray [] = {1, 3, 5};

B.) int myArray [] [] = {1,2,3,4};

C.) int [] myArray = (5, 4, 3);

D.) int [] myArray = {“1”, “2”, “3”};

7.) Which package contains the Random class?

A.) java.lang package

B.) java.io package

C.) java.awt package

D.) java.util package

8.) Which Class Extends by default in JAVA?

A.) String

B.) Object

C.) Lang

D.) None of the Above

Time is Up!