how to run a java program code example

Example 1: how to run java files

javac filename.java //(This will compile the program)
java filename //(This will run the file)

Example 2: run java file

javac hello.java

Example 3: cmd java compile

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

Example 4: compile java

// compile
> javac myCode.java
// run
> java myCode

Example 5: 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 6: how to run a java file in terminal

javac FirstJavaProgram.java