Sorted:

How can I get the current screen orientation?-Collection of common programming errors

Problems with writing ( in eclipse?-Collection of common programming errors

problem about scheduler-Collection of common programming errors

problem about lwjgl-Collection of common programming errors

problem about eclipse-3.4-Collection of common programming errors

Weighted Linear Regression in Java-Collection of common programming errors

Does sorting by a non transitive comparator “work”?-Collection of common programming errors

java.io.IOException: Server returned HTTP response code: 500-Collection of common programming errors

asks the user for an angle in degrees between 0 and 180-Collection of common programming errors

Where can I find the Maven installation directory in Eclipse 3.4-Collection of common programming errors