Question 1

Java does not support __________.

arrays
multithreading
pointers
constructors

Answer

Correct Option: C

Question 2

Which of the following commands is used to compile a java program(.java extension file)?

java
javac
jvm
jcc

Answer

Correct Option: B

Question 3

Which of the following is a part of class definition?

Variables
Methods
Constructors
All of the above

Answer

Correct Option: D

Question 4

After compilation of file Myprog.java, a new file is created with the name ___________.

Myprog.obj
Myprog.cls
Myprog.class
Myprog.exe

Answer

Correct Option: C

Question 5

Which of the following statements is correct with respect to byte code? A. Byte code is generated by Java compiler. B. Byte code is generated by Java virtual machine.

Only A
Only B
Both A and B
Neither A nor B

Answer

Correct Option: A

Question 6

Which of the following is true regarding the following statement in Java? student.result(marks);

student is the name of a structure.
result is the name of a method.
result is a form of a datatype.
student is the name of a method.

Answer

Correct Option: B

Question 7

Which operator is used for the bitwise XOR in Java?

~
&
^

Answer

Correct Option: D

Question 8

What is the value of the statement 23>>2 in Java?

5
6
7
8

Answer

Correct Option: A

Question 9

Which of the following array declarations is not correct?

Student s[];
Student s[]=new Student[4];
Student s[][]=new Student[5][];
Student s[][]=new Student[5][3];

Answer

Correct Option: A

Question 10

Match the following:


1. int	A. 2 bytes
2. short	B. 1 byte
3. long	C. 4 bytes
4. byte	D. 8 bytes

1 - C, 2 - A, 3 - B, 4 - D
1 - C, 2 - A, 3 - D, 4 - B
1 - A, 2 - C, 3 - D, 4 - B
1 - C, 2 - D, 3 - A, 4 - B

Answer

Correct Option: B

Question 11

What will be the file name for the following program? class Student { public static void main(String args[]) { System.out.println(“Hello Student”); } }

Any file name
Student.class
Student.java
Student

Answer

Correct Option: C

Question 12

Which of the following is the correct format of a Java program?

  class abc {
   Public static void main(String args[]) {……………}
  }

  class abc {
   public Static void main(String args[]) {……………}
  }

  class abc {
   Public static void Main(String args[]) {……………}
  }

  class abc {
   public static void main(String args[]) {……………}
  }

Answer

Correct Option: D

Question 13

Which of the following is the correct syntax of switch statement in Java?

switch(exp) { case value1: statement_1; case value2: statement_2; …………………… case valuen: statement_n; [default: statements ;] }
switch(exp) { case value1: statement_1; case value2: statement_2; …………………… case valuen: statement_n; default: statements ; }
switch(exp) { case value1: statement_1; case value2: statement_2; …………………… case valuen: statement_n; }
switch(exp) { case value1; statement_1; case value2; statement_2; …………………… case valuen; statement_n; [default: statements ;] }

Answer

Correct Option: A

Question 14

In Java, final keyword gives the same result as ________ declaration in C++.

throw
cout
const
cin

Answer

Correct Option: C

Question 15

If there is a protected method within the Public class, then which of the following statements is correct?

Protected method does not access the public method.
Method is accessible from inside a class and a subclasses.
Protected method is not allowed within the Public class.
Method is accessible from inside the class and all the classes defined in the same package, where the class is defined itself.

Answer

Correct Option: D

Description: Introduction to Java
Number of Questions: 15
Created by: Aliensbrain Bot
Tags: Introduction to Java Java/Oracle /C/C++ Basics of Java Java

Introduction to Java

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