Problem in eclipse 3.0.1

Hi All,
can any one tell me how to compile a .java file when we delete the existing .class file manually.

if theres no class file witht eh information the java file will obviosuly not compile. I foudn that eclipse deletes the class files from your hard drive. However if you want to compile a .java file with a main method click on the green drop down arrow and select java application then choose your project and run it.

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