Trouble compiling any java code in Eclipse

Question

I\'m new to the world of java and have been following a few online tutorials to get started. Everything was going great and the programs were compiling perfectly and then al

Answer 1

That happens because you haven't installed JDK but only JRE. Install JDK to make it work.

Source

Answer 2

I too have had this problem. Try restarting Eclipse. If that doesn't work, restart your computer. If even that doesn't work, re-install Java. Its an annoying bug that usually occurs when your computer goes into standby while a program is running on Eclipse.

EDIT: If the problem persists, you can make a small javac program that would compile any code in a given directory.

Hope I helped!