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Lesson
Introduction
Get Started
Syntax
Output
Comments
Variables
Constants
Data Types
Numbers
Booleans
Characters
Type Casting
Operators
Arithmetic
Assignment
Comparison
Logical
Strings
Concatenation
Special Characters
Math
Booleans
If...Else
Nested If
Switch
While Loop
Do/While
For Loop
Nested Loops
For-Each
Break & Continue
Arrays
Loop Arrays
Multidimensional
Methods
Parameters
Return Values
Overloading
Scope
Recursion
What is OOP
Classes & Objects
Class Attributes
Class Methods
Constructors
Modifiers
Encapsulation
Inheritance
Polymorphism
Abstraction
Interface
Enums
Exceptions
Try-Catch
Files
Create Files
Write Files
Read Files
ArrayList
HashMap
Wrapper Classes
Lambda
Back to lesson
Java Get Started
Check the installed version
Main.java
Build and execute
Run
Language:
Java
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java -version
java -version
Output
Click Run to execute this code.