Java MCQ Interview Questions With Answers set-10

1. Java was developed by the company

A) Sun Micro systems

Sun Micro systems Image CrunchBase

B) Microsoft

C) Micro tech

D) IBM



2. What is the file extension of compiled java program?

A) .class

B) .java

C) .css

D) .html



3. .................. keyword is used to invoke the current object.

A) New

B) That

C) This

D) Me



4. Which of the function is used to convert string to Number in java program?

A) to Number()

B) conString()

C) valueOf()

D) toString()


5. What are the part in executing a Java program and their purposes?

A) Java Compiler

B) Java Interpreter

C) Java Pre-processor

D) Directive Pre-processor


6. Method overloading is one of the way that Java supports ............

A) encapsulation

B) class

C) inheritence

D) polymorphism


7. Java support RMI. What does this RMI stands for?

A) Random Memory Interface

B) Remote Method Invocation

C) Random Method Invocation

D) Remote Memory Interface


8. Which of the following represent legal flow control statements?

A) break;

B) break();

C) continue(inner);

D) exit();


9. The keywords reserved but used in the initial version of Java are

A) union

B) const

C) inner

D) goto


10. What is the default return type of main() ..

A) void

B) double

C) float

D) int

Answers:

1. Java was developed by the company

A) Sun Micro systems

2. What is the file extension of compiled java program?

A) .class

3. .................. keyword is used to invoke the current object.

C) This

4. Which of the function is used to convert string to Number in java program?

C) valueOf()

5. What are the part in executing a Java program and their purposes?

A) Java Compiler

6. Method overloading is one of the way that Java supports ............

D) polymorphism

7. Java support RMI. What does this RMI stands for?

B) Remote Method Invocation

8. Which of the following represent legal flow control statements?

A) break;

9. The keywords reserved but used in the initial version of Java are

A) union

10. What is the default return type of main() ..

D) int

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