QUESTION 1

1 You can define a variable twice in a block.

A

true

B

false

QUESTION 2

2 pow is a method in the ________ class.

A

Integer

B

Double

C

Math

D

System

3 To declare a constant MAX_LENGTH inside a method with value 99.98, you write ________.

A

final MAX_LENGTH = 99.98;

B

final float MAX_LENGTH = 99.98;

C

double MAX_LENGTH = 99.98;

D

final double MAX_LENGTH = 99.98;

4 The value of a variable can be changed.

A

true

B

false

5,The break keyword must be used in a switch statement; otherwise, a syntax error occurs.

true

false