Key Concepts

Review core concepts you need to learn to master this subject

Comments

Printing

Variable Types

Manipulating Number Variables

Conditional Statements

Comparison and Logical Operators

Loops

break and continue

See more

Comments

// This is an inline comment. It only includes this line.

/*
 This is a block comment. Anything between the asterisks is part of the comment.
*/

There are two types of comments in Java: inline, and block.