Run java in shell

Run java code in shell is simple.

Before start, please make sure you has installed jdk.
In CentOS7, run command below(here is 1.8.0):

# yum install java-1.8.0-devel

Then, Let’s begin.

1. Create new file named Box.class and add below code:

    public class Box {
        public static void main(String[] args){
            System.out.println("Hello, world !");
        }
    }
   

2. Run

    # javac Box.java
   

3. Run

    # java Box
   

4. You will see the console print Hello,world!