Practice Type Conversion and Casting - 6.5 | Chapter 6: Primitive Values, Wrapper Classes, Types and Casting | ICSE Class 12 Computer Science
Students

Academic Programs

AI-powered learning for grades 8-12, aligned with major curricula

Professional

Professional Courses

Industry-relevant training in Business, Technology, and Design

Games

Interactive Games

Fun games to boost memory, math, typing, and English skills

Type Conversion and Casting

6.5 - Type Conversion and Casting

Enroll to start learning

You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is implicit conversion?

💡 Hint: Think of how an `int` can be assigned to a `long`.

Question 2 Easy

Name a method from a wrapper class.

💡 Hint: What methods help convert from String to primitives?

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What type of conversion is performed when an int is assigned to a long?

Implicit
Explicit
No conversion

💡 Hint: Think about whether it requires casting.

Question 2

True or False: You need to cast a double to an int to assign it directly.

True
False

💡 Hint: Remember the rules about data types and conversions.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Write a Java program that uses both implicit and explicit type conversions. Explain any potential data loss that occurs.

💡 Hint: Use both int and double in your program with conversion.

Challenge 2 Hard

Create a scenario where a wrapper class method is useful in data processing. Provide an example.

💡 Hint: Consider how user input would be processed.

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.