Tool to read and display Java .class versions

Use the javap tool that comes with the JDK. The -verbose option will print the version number of the class file. > javap -verbose MyClass Compiled from “MyClass.java” public class MyClass SourceFile: “MyClass.java” minor version: 0 major version: 46 … To only show the version: WINDOWS> javap -verbose MyClass | find “version” LINUX > javap … Read more