Java MCQs - Variables

1. Where to declare local variables ?

A. It declares inside the class and outside of method.

B. It declares inside the class with static prefix and outside of method.

C. It declares inside the method.

2. Where to declare instance variables ?

A. It declares inside the class and outside of method.

B. It declares inside the class with static prefix and outside of method.

C. It declares inside the method.

3. Where to declare class variables ?

A. It declares inside the class and outside of method.

B. It declares inside the class with static prefix and outside of method.

C. It declares inside the method.

4. Which of following can not be used as variable name in Java programming language ?

A. literal

B. Keywords

C. Identifier

D. Identifier and Keywords

5. A name of variable is known as

A. Data Type

B. Constant

C. Identifier

6. Which is the invalid variable name ?

A. tenthTeam

B. TenthTeam

C. 10thTeam

D. None of Above

7. A variable name should not begin with

A. A number

B. Special characters but underscore and dollar sign

C. All of above

8. Which is the valid variable name ?

A. 5thTeam

B. &5thteam

C. _5thTeam

D. None of Above

9. Which are the invalid variable names ?

A. 1stLevel

B. first Level

C. *firstLevel

D. All of Above

10. Which are the valid variable names ?

A. $1stLevel

B. _1stLevel

C. £1stLevel

D. All of Above