how to run java in terminal code example

Example 1: cmd java compile

javac MyFisrtProgam.java // enter to compile 
  java MyfirstProgram // run program

Example 2: java run project from command line

// Assuming that you have an executable jar
java -jar myJavaProject.jar

// Assuming that you have packaged jar
java -jar target/myJavaProject.jar

Example 3: run java from terminal

//Run this line to compile
javac programName.java

//Run this line to run
java programName

Example 4: java in terminal

jshell
|  Welcome to JShell -- Version 12.0.1
|  For an introduction type: /help intro

jshell> int i=99;
i ==> 99

jshell> System.out.println(i);
99

Example 5: how to run a java file in terminal

javac FirstJavaProgram.java