ubuntu解决eclipse 之“launch failed. Binary file not found.”

当敲完代码后，直接按project > run，系统提示错误：” launch failed. Binary file not found.”

后来查完资料后才知道原来在linux下必须build 完后才可以运行，所以每次要运行project时，必須先按ctrl + b(run->rebluid)

程序正常的运行