Your First Java Program
When I wanted to learn java, I always struggled with finding the right Software for it. If you are too, then this blog is for you!
To start, I recommend Bluej. You can download it by going to https://www.bluej.org, scrolling down, and selecting your operating system.
Next, open the software then click on “project” then on “new project”, name your project and a new window will open. Now you click on the “new class”. Name your class “Addition” and press “ok”. Right-click on the small green box and select “open editor”. Another window will open.
Now comes the coding part of it! Delete everything except for :
public class example
{
Then for your first program, we will do addition. After the above line, go to the next line and leave 1 tab space (4 spaces) and type:
public static void main()
{
//declaration
int a;
int b;
int sum;
//initialization
a = 20;
b = 30;
//add a and b and store in sum
sum = a + b;
//display
System.out.println(“the sum of “ + a + “ and “ + b + “ is = “ + sum);
}
}
I recommend you not to copy-paste the program but type it on your own!!
There you have it! Your first Java program!
Good luck!!
-Shashank Balaji