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Eclipse IDE and .jav file

Dee102 Member Posts: 49 Green Ribbon
edited Jun 27, 2021 3:39PM in Java Programming


I am new to Java programming although I am very familiar with Microsoft Visual Studio. I was recently given a .jav file and was told to download Eclipse. My assignment is to modify the Java program. Is a .jav similar as an .exe? Can I modify the program from a .jav file? If so, how does it work?

I created a project in Eclipse. Right clicked on the project and select Build Path and Configure Build Path. Then clicked Add JARs to add the .jar file. The classes seems located in BOOT-INF\classes\com\...\...\. When I clicked on the .class, I got an message "The Class File Viewer cannot handle the given input ('org.eclipse.jdt.internal.ui.javaeditor.JarEntryEditorInput')."

Can you please help with some instructions or some links? Thanks.