This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
When I try to import some packages by typing import java., the eclipse has to show the availbale packages with java. for import, but my eclipse says that "The compilation unit is not on the build path of a Java Project". What could be the reason for this type of message.