title: compile java file in eclipse
body: <p>hello i am new in eclipse,i have one web project in which java file and jsp file are there.  all connection string and database query written in java file and all html code written in jsp file. when i change in jsp file i get result but when i change in java file i cant get result... i know after change in java file i have to compile whole file... but i want to know how to compile java after change in  eclipse.In my "src" folder i put all java file and in web content folder i put all jsp file.. know please tell me how to compile and get change.
  Thank you in advance. </p>