In fact, you don’t even have to code your Java into a file. JShell can execute lines of Java code directly on the command line. Java without a main method Historically, Java devs have had to code a ...

The following command permanently points JAVA_HOME to the location you set: setx JAVA_HOME -m "C:\_jdk25.0" The option to manually set JAVA_HOME through the command line is especially useful if you ...