run java file

1// compile
2> javac myCode.java
3// run
4> java myCode

1javac filename.java //(This will compile the program)
2java filename //(This will run the file)

1javac MyFisrtProgam.java // enter to compile 
2  java MyfirstProgram // run program 
3

1javac hello.java

1// Assuming that you have an executable jar
2java -jar myJavaProject.jar
3
4// Assuming that you have packaged jar
5java -jar target/myJavaProject.jar

1javac FirstJavaProgram.java