java-graphical Interface design basics-jframe

JFrame in the package javax.swing.*

eg.

Jframe frame=new Jframe ("title block");

Frame.setsize (400,300);//If there is no such sentence, the frame appears in the title bar

Frame.setvisible (TRUE);//The framework does not display before applying this statement

Frame.setdefaultcloseoperation (jframe.exit_on_close);//This sentence informs the end of the program when the framework is closed and, if not applicable, the program does not end after the frame is closed

Because SetSize and setvisible are defined in component, JFrame can inherit them

java-graphical Interface design basics-jframe