Run your first java program

ØSet up/Install Java

1. Make sure the JDK is installed and that the jdk/bin directory is on the executable path.

2. Updating the PATH Environment Variable

3.Verify Java Installed Correctly

Windows + R = Open Run

Simple Program of Java

In this page, we will learn how to write the simple program of java. We can write a simple hello java program easily after installing the JDK.

To create a simple java program, you need to create a class that contains main method.

Let's understand the requirement first

Requirement for Hello Java Example

For executing any java program, you need to

●        Install the JDK if you don't have installed it, download the JDK and install it.

●        Set path of the jdk/bin directory.

●        create the java program

●        compile and run the java program

Creating hello java example

To compile:      javac HelloWorld.java

To execute:     java HelloWorld

Output: HELLO WORLD