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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 TypesPrimitive Types ChallengeChar and ASCII TableMathematical Operations in JavaIf-Else StatementSwitch-Case StatementWeekday Switch Challenge
3. Loops
Introduction to LoopsWhile-LoopDo-While LoopFor-Loop Increment and DecrementInfinite Loop (bonus)Challenge: Factorial
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 String Part 1Basic Methods In String Part 2B-Inclusion Filter ChallengeNullPointer Exception StringBuilderString Pool, Method Equals() Summary

bookWeekday Switch Challenge

Task
test

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Write a program that takes an integer from 1 to 7 and prints the corresponding day of the week. Use a switch statement to solve the problem.

If the number is greater than 7 or less than 1, display an Error text.

Note

You should write a case for each day of the week from 1 to 7, starting with Monday. Replace ___ with the corresponding days, and also complete the code with cases for days 4, 5, 6, and 7 of the week.

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Section 2. Chapter 7
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bookWeekday Switch Challenge

Task
test

Swipe to show code editor

Write a program that takes an integer from 1 to 7 and prints the corresponding day of the week. Use a switch statement to solve the problem.

If the number is greater than 7 or less than 1, display an Error text.

Note

You should write a case for each day of the week from 1 to 7, starting with Monday. Replace ___ with the corresponding days, and also complete the code with cases for days 4, 5, 6, and 7 of the week.

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 7
toggle bottom row

bookWeekday Switch Challenge

Task
test

Swipe to show code editor

Write a program that takes an integer from 1 to 7 and prints the corresponding day of the week. Use a switch statement to solve the problem.

If the number is greater than 7 or less than 1, display an Error text.

Note

You should write a case for each day of the week from 1 to 7, starting with Monday. Replace ___ with the corresponding days, and also complete the code with cases for days 4, 5, 6, and 7 of the week.

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!

Task
test

Swipe to show code editor

Write a program that takes an integer from 1 to 7 and prints the corresponding day of the week. Use a switch statement to solve the problem.

If the number is greater than 7 or less than 1, display an Error text.

Note

You should write a case for each day of the week from 1 to 7, starting with Monday. Replace ___ with the corresponding days, and also complete the code with cases for days 4, 5, 6, and 7 of the week.

Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Section 2. Chapter 7
Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
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