1: Open eclipse and select "file——new——Java project".
# 2: Give our java project a name and click Finish.
#3: At this time, the list on the left will have the java project we just created. Click on the project and create a new class in the src directory.
#4: In the pop-up box, fill in the name of our jave program and select Finish.
#5: Here is a simple java program as an example, press the Ctrl S key to save.
6: Now to run the java program, click the green triangle above and select run as java applacation.
#7: Program output result.
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