Question 1 You must have a return statement in a non-void method True False Ques

Question

Question 1

You must have a return statement in a non-void method

True

False

Question 2

All the update methods in the Java Collection framework are synchronized.

True

False

Question 3

Suppose Integer x = new Integer(3); x holds ________.

an integer value

a reference value to an Integer object

value 3

Question 4

To create a generic type bounded by Number, use ________.

<E extends Number>

<E extends Object>

<E>

<E extends Integer>

Quesiton 5

________ is a reference type.

A class type

An interface type

An array type

A primitive type

an integer value

a reference value to an Integer object

value 3

Question 4

To create a generic type bounded by Number, use ________.

<E extends Number>

<E extends Object>

<E>

<E extends Integer>

Quesiton 5

________ is a reference type.

A class type

An interface type

An array type

A primitive type

Explanation / Answer

1. True

2. True

3.an onteger value

4.<E extends Integer>

5.An array type

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