100+ java quiz interview questions | java quiz question and answer- Just Crack Interview

Ques:- Which one of the following languages is pure object oriented language?

A. Java

B. C

C. C++

D. Object pascal

3 6051

Ques:- Which one of the following is not a wrap class?

A. Short

B. Double

C. Byte

D. Random

4 7650

Ques:- POP is a/an

A. Optional object programming

B. Object optional programming

C. Object oriented programming

D. None of these

2 8693

Ques:- Which one of the following is not a java keyword?

A. static

B. break

C. study

D. class

1 9131

Ques:- By invoking repaint ( ) for a component, the AWT invokes the method

A. Update ( )

B. Show ( )

C. Paint ( )

D. Draw ( )

1 3253

Ques:- The default priority is

A. 1

B. 2

C. 4

D. 5

2 8985

Ques:- When the thread is ready for execution and waiting for the availability of the processor, it is said to be

A. dead state

B. running state

C. in runable state

D. blocked state

1 7900

Ques:- Java declaration statement must end with

A. a semicolon

B. full stop

C. comma

D. a colon

0 3585

Ques:- For a 32-bit integer value, keyword used is

A. Boolean

B. Int

C. Short

D. Long

0 7225

Ques:- A web page is

A. Made up of text and HTML tags

B. Marked by an opening HTML tag

C. Marked by a closing HTML tag

D. All of these

0 7995

Ques:- Java is a general purpose object oriented programming language developed by

A. Patrick Naughton

B. Infosys

C. I.B.M.

D. Microsystems of USA

1 8394

Ques:- Which one of the following web browsers uses Just-In-Time (JIT) complier?

A. Hot JAVA

B. Netscape navigator

C. Internet Explorer

D. None of these

0 8176

Ques:- ?: is: a/an

A. Assignment operator

B. Conditional operator

C. Logical AND

D. Inequality

0 4715

Ques:- Which one of the following is a java keyword?

A. Public

B. Void

C. While

D. Switch

0 1673

Ques:- Which one of the following concept is incorporated in building a java program?

A. Polymorphism

B. Inheritance

C. Encapsulation

D. All of these

0 7308

Ques:- Object oriented programming language, is

A. C++

B. Java

C. Both (a) and (b)

D. None of these

0 4356

Ques:- The methods wait ( ) and notify ( ) are defined in

A. java.lang.object

B. java.lang.thread

C. java.lang.string

D. java.lang.threadgroup

0 3910

Ques:- Java

A. is most suitable for Internet programming

B. non an acronym

C. a really simple, reliable, portable and powerful language

D. all of these

0 6501

Ques:- Which one of the following is a logical operator?

A. ||

B. &&

C. !

D. all of these

0 4687

Ques:- The method which belongs to the string class is/are

A. Compare to ( )

B. Length ( )

C. Substring ( )

D. Equals ( )

0 3367