graphical user interface components

GUI (graphical user interface), gui graphical user interface AWT Overview The full name of GUI is Graphical User

Ordinary users can not log on to the Linux graphics interface, only the root user login to the graphical interface (ordinary users, username and password input correctly, click Login, 2 seconds later returned to the login interface, that is, can not log in.) The solution to

Article Description: visual design of user interface The history of the visual design of the user interface can be described as a process that gradually changes to the real sense. Just as computers have become more and more rapid, designers have added more and more realistic details-such as color, stereo effe

Java graphical user interface list box, java graphical list box The list box is generated by the Swing component JList, which occupies a fixed number of rows on the screen. To obtain the selected element in the list box, you only need to call getSelectedValuesList () to generate a string array with the selected element

GUI Overview In early computer systems, computers provide users with a "command-line interface (CLI)" That is monotonous, boring, and purely character-state. Even now, we can still faintly see their figure: Open a DOS window in Windows, you can see the footprints of history. Later, Apple took the lead in implementing a graphical user

java-Graphical Interfacea common class Non-container components must be placed on the container component JFrame window container class JPanel panel placed on window non-container classJButton button placed on panel non-container classJTextField text box non-container classJLabel Label non-container classTwo commonly used methods 1 f.setsize (500, 500); set size 2 f.setvisible (true); setting is not

Add components to the framework: eg.JFrame frame=new JFrame ("JFrame add");Java.awt.Container Container=frame.getcontentpane ();//You can return to the contents pane of the frame, the Contents pane is Java.awt.Container instanceJButton jbtok=new JButton ("OK");Container.add (Jbtok);//The method adds a component instance to the containerContainer.remove (Jbtok);//Delete InstanceThe component is placed on the frame by the layout Manager of the content p

same time for thread safety, consistency, and good responsiveness.2. Decomposing the data modelSuppose that a data model must be shared by multiple threads and cannot implement a thread-safe model for reasons such as congestion, consistency, or complexity. Be able to consider the use of decomposition model design.V. Other forms of single-threaded subsystems in some cases, synchronization or deadlock problems cannot be avoided. For example: the native repository (Native library) requirements, th

Ubuntu12.10 log on to the root user through the graphical interface. the logon interface is not displayed. 1. set the password for the root user: 2 sudopasswdroot; 3. switch to the root user: 4 suroot; 5. find/etc/lightdm. conf fi

Ubuntu sets the root user logon graphical interface and ubunturoot User Logon By default, Ubuntu does not allow root users to log on to the graphic interface, but only allows others to log on to the graphic interface. This is ver

Dark Horse Programmer -- [Java Basics] -- GUI (graphical user interface), javagui I. Overview 1. GUI (GraphicalUser Interface): Also known as graphical user Interface, is a way for com

In order for us to generate a graphical user interface with good platform independence, the Java language provides a layout manager tool to manage the layout of components in a container without using directly setting component locations. Component classes are created for the user