摘要： I try to write this article in English.My java teacher commanded us to draw uml in our project report.i though about the colorful days of using VS to generate class diagram.so...Fist,i make efforts to find some eclipse plugin to make it work.Try a lot such as uml2,euml2,etc...but they are all seem d 阅读全文

摘要： 这几天把x64的系统捣鼓上了，磕磕碰碰的问题也遇见不少。问题1：An internal error occurred during: "Launching XXXX".java.lang.NullPointerException解决：This might already be solved, but in case someone else stumbles on the same issue. I solved it by making a copy of the project, delete it from the workspace and import it ba 阅读全文