The Oops moment/2

The Oops moment/2

University

10 Qs

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The Oops moment/2

The Oops moment/2

Assessment

Quiz

Engineering

University

Practice Problem

Easy

Created by

Mekha S R

Used 1+ times

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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does the new keyword do in Java?

Deletes an object

Copies an object

Creates a new object

Imports a class

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is a correct way to define an enum?

enum Color = {Red, Green, Blue}

enum Color {Red, Green, Blue}

Color enum {Red, Green, Blue}

enum(Color) => Red, Green, Blue

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How do you access a private variable from outside the class?

Use public keyword

Use a getter or setter method

Make it static

Use a constructor

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which method returns a string representation of an object?

show()

print()

toString()

getInfo()

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does a constructor do in a class?

Creates variables

Destroys objects

Initializes new objects

Runs loops

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Why are getter and setter methods commonly used in Java classes?

To repeatedly execute blocks of code within loops defined in the class

To safely retrieve and modify the values of private fields while maintaining encapsulation

To automatically delete unused variables when the object is destroyed

To bypass access modifiers and make all fields globally accessible

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

enum Size { SMALL, MEDIUM, LARGE }

public class Test {

public static void main(String[] args) {

Size s = Size.LARGE;

System.out.println(s);

}

}

SMALL

Size

LARGE

null

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