This question already has answers here: How to fix java.lang.UnsupportedClassVersionError: Unsupported major.minor version (50 answers) Closed 5 years ago. Pictures: Command Prompt showing versions Picture of error Hello.java import java.applet.Applet; import java.awt.*; public class Hello extends Applet { // Java applet to draw “Hello World” public void paint (Graphics page) { page.drawString (“Hello World!”, 50, … Read more
I am trying to use Notepad++ as my all-in-one tool edit, run, compile, etc. I have JRE installed, and I have setup my path variable to the …/bin directory. When I run my “Hello world” in Notepad++, I get this message: java.lang.UnsupportedClassVersionError: test_hello_world : Unsupported major.minor version 51.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClassCond(Unknown Source) ………………………………….. … Read more
The issue is because of Java version mismatch. Referring to the JVM specification the following are the major versions of classfiles for use with different versions of Java. (As of now, all versions support all previous versions.) Java SE version Major version 1.0.2 45 1.1 45 (Not a typo, same version) 1.2 46 1.3 47 1.4 48 … Read more
Exception in thread “main” java.lang.UnsupportedClassVersionError: a (Unsupported major.minor version 51.0)
The version number shown describes the version of the JRE the class file is compatible with. The reported major numbers are: Java SE 17 = 61, Java SE 16 = 60, Java SE 15 = 59, Java SE 14 = 58, Java SE 13 = 57, Java SE 12 = 56, Java SE 11 = … Read more
