Notice: This page requires JavaScript to function properly.
Please enable JavaScript in your browser settings or update your browser.Learn Challenge: Primitive Types | Basic Types, Operations
Java Basics
course content

Course Content

Java Basics

Java Basics

1. Getting Started
Backend DevelopmentRole of Java in the Backend Java Advantages Memory Types In Java Java's SyntaxYour First ProgramComments
2. Basic Types, Operations
Primitive Data TypesChallenge: Primitive TypesMathematical Operations on charMathematical Operations in JavaIf-Else StatementSwitch-Case StatementChallenge: Weekday Switch
3. Loops
Introduction to LoopsWhile-LoopDo-While LoopChallenge: Building a Server Retry MechanismFor-Loop Increment and DecrementInfinite LoopChallenge: Filtering Numbers in a Loop
4. Arrays
What is Array?Using Loops with ArraysIndex Out Of BoundsTwo-Dimentional ArrayIteration In Two-Dimensional ArrayFor-Each Loop
5. String
What Is String? Basic Methods In StringPractical Applications of String MethodsChallenge: Filter Failure MessagesNullPointerException StringBuilderString Pool, Method Equals() Summary

book
Challenge: Primitive Types

Task
test

Swipe to begin your solution

Fill in the blanks with the appropriate primitive data types.

  1. The first blank needs to hold a whole number.
  2. The second blank should store a decimal number.
  3. The third blank type should have a range of numbers from -32,768 to 32,767.
  4. In the fourth blank, you need to store a single character.
  5. The fifth blank should hold a boolean value (true or false).
  6. The sixth blank stores a floating-point number with less precision than a double.

Solution

java

solution

Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Everything was clear?

How can we improve it?

Thanks for your feedback!

Section 2. Chapter 2
toggle bottom row

book
Challenge: Primitive Types

Task
test

Swipe to begin your solution

Fill in the blanks with the appropriate primitive data types.

  1. The first blank needs to hold a whole number.
  2. The second blank should store a decimal number.
  3. The third blank type should have a range of numbers from -32,768 to 32,767.
  4. In the fourth blank, you need to store a single character.
  5. The fifth blank should hold a boolean value (true or false).
  6. The sixth blank stores a floating-point number with less precision than a double.

Solution

java

solution

Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Everything was clear?

How can we improve it?

Thanks for your feedback!

Section 2. Chapter 2
Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
We're sorry to hear that something went wrong. What happened?
some-alt