System.out Methods

Part of the Fundamentals section of Coddy's Java journey — lesson 33 of 73.

In Java, the System.out object provides various methods for printing output to the console. Here are some of the most commonly used System.out methods:

print(String s): Prints a string to the console. It does not add a newline character at the end, so subsequent output will continue on the same line.

println(String s): Prints a string to the console followed by a newline character. This means the next output will start on a new line.

Here's how you can use these methods:

String name = "Alice";
int age = 30;

System.out.print("Name: ");
System.out.print(name);
System.out.println(" is " + age + " years old.");

System.out.println("Hello, " + name + "!");

This code will produce the following output:

Name: Alice is 30 years old.
Hello, Alice!

Challenge

Beginner

Write a Java program that uses System.out methods to output the following:

Print "Hello, " and "Coddy!" on the same line.
Print "Java is fun!" on a new line using println.

Cheat sheet

Java provides System.out methods for console output:

print(): Prints without adding a newline (output continues on same line)
println(): Prints and adds a newline (next output starts on new line)

System.out.print("Hello, ");
System.out.print("World");
System.out.println(" - same line");
System.out.println("New line");

Output:

Hello, World - same line
New line

Try it yourself

public class Main {
    public static void main(String[] args) {
        System.out.print("Hello, ");
        // Write your code below

    }
}

Test yourself

This lesson includes a short quiz. Start the lesson to answer it and track your progress.

All lessons in Fundamentals

1Introduction

Java Hello World!Comments Basic Program Structure

4Operators Part 1

Arithmetic Operators Modulo Operator Increment/Decrement Post Increment/Decrement Arithmetic Shortcuts Comparison Operators String Comparison

7Basic IO

System.out MethodsFormatting Output Scanner Class Recap - Till 120 Recap - True or False

10Methods (Functions)

Declaring Methods Method Parameters Return Types Method Overloading Recap - Sigma Function Recap - Validation Function Void Methods

13String Operations

String Methods Part 1 String Methods Part 2 String Formatting String Comparison

2Variables Part 1

Numbers String Boolean char Type Declaration

5Operators Part 2

Logical Operators Part 1 Logical Operators Part 2 Recap - Simple Logic Logical Operators Part 3 Logical Operators Part 4

8Calculator App

Welcome Message Getting Numbers

Basic Operations

Formatted Output

11Arrays Basics

Declaring Arrays Accessing Elements Modifying Arrays Array Methods Recap - Product Array Recap - Reversed Array

14Final Challenges

Number Pattern Pattern Finder Student Grade Calculator

3Variables Part 2

Constants Naming Conventions Recap - Initialize Variables Type Casting Part 1 Type Casting Part 2

6Decision Making

If Statement If - Else Switch Statement Ternary Operator Recap - If Else Nested If - Else

9Loops

For Loop Part 1 While Loop Do While Loop Break Continue For Loop Part 2 Nested Loop Infinite Loop Recap - Dynamic Input

12Iterating Over Arrays

Using For Loop Enhanced For Loop Common Array Operations