run java class 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 class file

// Don't usee .class at the end of class file name
java ClassFileName //--in file path-- if file doesn't have package
java PackageName.ClassFileName //--in package path-- if file have package

Example 4: java run class file

java -cp ./ {NAME}