Search Header Logo

Object oriented programming in java

Authored by Sawsan Ali

Computers

University

Used 5+ times

Object oriented programming in java
AI

AI Actions

Add similar questions

Adjust reading levels

Convert to real-world scenario

Translate activity

More...

    Content View

    Student View

13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the focus of Chapter 3?

Logical programming

Functional programming

Object-oriented programming

Procedural programming

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is class abstraction?

Implementing interfaces in classes

Creating new classes from existing classes

Separation of class implementation from the use of a class

Combining data and methods into objects

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the wrapper classes in Java?

To handle exceptions in Java programs

To hide the implementation details of a class

To wrap primitive values into objects

To define abstract data types

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main difference between StringBuilder and String?

StringBuilder is a primitive data type while String is an object

StringBuilder is faster for string manipulation than String

StringBuilder is immutable while String is mutable

String is more memory-efficient than StringBuilder

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of BigInteger and BigDecimal classes?

To handle very large integers and high precision floating-point values

To perform mathematical operations on strings

To convert primitive types to wrapper classes

To manipulate arrays of characters

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the matches method in Java String class do?

Checks if two strings are equal

Replaces all occurrences of a substring in a string

Checks if a string matches a specific pattern

Splits a string into an array of substrings based on a delimiter

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of regular expressions in string manipulation?

To convert strings to numbers

To split strings into characters

To encrypt and decrypt strings

To define patterns for matching, replacing, and splitting strings

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?