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Eclipse run java code easily
December 11th, 2008
Eclipse has a scrapbook function that allows you to run Java code on the fly. Sometimes you just want to test out a simple piece of code without having to create another Java class, execute it in the main method or create a junit to test it out.
For example, today I wanted to make sure I remember integer division in Java correctly. So I simply just want to execute the following piece of code.
int a = 10;
int b = 8;
int c = 17;
System.out.println(a / b);
System.out.println(c / b);
In order to do that, create a new Scrapbook page in your project. I just called mine blah.jpage. Then paste the code in there. Highlight the code, right click and select execute or ctrl+U. The results of your execution will then show up in the console. That comes in pretty handy sometimes.
neat!