Hello World
Welcome to the world of Java programming! Java is a popular object-oriented programming language that is used in many different industries.
StartKey Concepts
Review core concepts you need to learn to master this subject
Print Line
Print Line
System.out.println("Hello, world!");
// Output: Hello, world!
System.out.println()
can print to the console:
System
is a class from the core library provided by Javaout
is an object that controls the outputprintln()
is a method associated with that object that receives a single argument
Hello World
Lesson 1 of 1
What you'll create
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How you'll master it
Stress-test your knowledge with quizzes that help commit syntax to memory