Basic Java Objective Interview Questions and Answers

Questions

6 The order of the three top level elements of the java source file are

A Import, Package, Class

B Class, Import, Package

C Package, Import, Class

D Random order

Answer: Option [C]

7 The minimum value of char type variable is

A ‘\u0020’

B ‘\u00ff’

C ‘\u0010’

D ‘\u0000’

Answer: Option [D]

'\u0000' i.e. 0 is the minimum value of the char type varibale in java

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8 Java uses ___ to represent characters

A ASCII code

B Unicode

C Byte code

D None of the above

Answer: Option [B]

9 Which one is not supported by OOP?

A Abstraction

B Polymorphism

C Encapsulation

D Global variables

Answer: Option [D]

Four major principles of object oriented programming are Abstraction, Encapsulation, Inheritance and Polymorphism

10 Java programs are

A Platform-dependent

B Interpreter-dependent

C Platform-independent

D Interpreter-independent

Answer: Option [C]