Java Learning Notes (44)-AWT components (Abstract Window Toolkit)

Frame Form Component

ImportJava.awt.Color;ImportJava.awt.Frame;ImportJava.awt.event.WindowAdapter;ImportJava.awt.event.WindowEvent;/ * Frame Form component * / Public  class Test01 {     Public Static void Main(string[] args) {Frame frame=NewFrame ("My Forms");//Create a form        /*frame.setsize (300, 300);//Set the form size frame.setlocation (250, 250);//Set the position of the form to appear */Frame.setbounds ( -, -, -, -);//Set position and size at the same timeFrame.setbackground (color.red);//Set the form background colorFrame.setlocationrelativeto (NULL);//Setup form appears in the middleFrame.setvisible (true);//Display form        //Add listener events to close the form when you click Close in the upper right cornerFrame.addwindowlistener (NewWindowadapter () {@Override             Public void windowclosing(WindowEvent e) {System.exit (0);//exit the program when the button is clicked}        }); }}

Panel Panels Component

 import java.awt.Color; import java.awt.Dimension; import java.awt.Frame; import java.awt.Panel;/ * Panel Panels component * / Public  class Test02 {     Public Static voidMain (string[] args) {Frame frame =NewFrame ("My Frame"); Panel pnl=NewPanel ();//Create panelPnl.setsize (NewDimension ( -, -));        Pnl.setbackground (Color.yellow); Frame.add (PNL);//Add a panel to a formFrame.setsize ( $, $);        Frame.setbackground (Color.gray); Frame.setlocationrelativeto (NULL); Frame.setlayout (NULL);//Cancel layout manager with manual layoutFrame.setvisible (true); }}

Label label and TextField single-line text box

ImportJava.awt.FlowLayout;ImportJava.awt.Frame;ImportJava.awt.Label;ImportJava.awt.TextField;/* Label label and TextField single-line text box */ Public  class Test07 extends Frame{Label lblusername=NewLabel ("User name:"); TextField txtusername=NewTextField (Ten); Public Test07(String title) {Settitle (title);//Call the parent class's construction method, set the captionSetLayout (NewFlowLayout ()); Add (Lblusername);//Add a label to the formAdd (txtUserName);//Add a text box to a formSetSize ( $, $); } Public Static void Main(string[] args) {Test07 test=NewTest07 ("My Forms"); Test.setvisible (true); }}

TextArea multi-line text boxes and button buttons

/* * TEXTAREA multi-line text boxes and button buttons */ Public  class Test08 extends Frame{TextArea txtcomment =NewTextArea (5, -); Button btnok=NewButton ("OK"); Button btncancel=NewButton ("Cancel"); Public Test08(String title) {Super(title); Init ();//Initialize} Public void Init() {setlayout (NewFlowLayout ());        Add (txtcomment);        Add (Btnok);        Add (Btncancel); SetSize ( $, $); Setlocationrelativeto (NULL); SetVisible (true); } Public Static void Main(string[] args) {NewTest08 ("My little apple."); }}

Title

/* checkbox check box and CheckboxGroup */ Public  class Test09extends Frame{  Checkbox hobby1=NewCheckbox ("Dinner"); Checkbox hobby2=NewCheckbox ("Sleeping"); Checkbox hobby3=NewCheckbox ("hit the Peas.");//Create check box Group, add check box to group, change to radio buttonCheckboxGroup sexgroup=NewCheckboxGroup (); Checkbox male=NewCheckbox ("Male",true, Sexgroup); Checkbox female=NewCheckbox ("female",false, Sexgroup); Label lblhobby=NewLabel ("Hobby:"); Label lblsex=NewLabel ("Gender:"); Public Test09(String title) {Super(title);    Init (); } Public void Init() {setlayout (NewGridLayout (7,1));        Add (Lblhobby);        Add (hobby1);        Add (hobby2);        Add (HOBBY3);        Add (Lblsex);        Add (male);    Add (female); } Public Static void Main(string[] args) {Test09 test=NewTest09 ("My Forms"); Test.setsize ( $, $); Test.setlocationrelativeto (NULL); Test.setvisible (true); }}

Choice selection box and list box

ImportJava.awt.Choice;ImportJava.awt.Frame;ImportJava.awt.GridLayout;ImportJava.awt.Label;ImportJava.awt.List;/* * Choice Select box and list box */ Public  class Test10 extends Frame{Label lblfruit=NewLabel ("Your favorite fruit:"); Label lblstar=NewLabel ("Your favorite star:"); Choice fruits=NewChoice (); List starts=NewList (2,true); List LST =NewList (4,false); Public Test10(String title) {Super(title); SetLayout (NewGridLayout (2,2)); Fruits.add ("Little Apple"); Fruits.add ("Jackfruit"); Fruits.add ("Banana Fanshi"); Starts.add ("Lin Chi-ling"); Starts.add ("Liu Yifei"); Starts.add ("Wan Liqing"); Lst.add ("Mercury"); Lst.add ("Venus"); Lst.add ("Earth"); Lst.add ("JavaSoft"); Lst.add ("Mars"); Lst.add ("Jupiter"); Lst.add ("Saturn"); Lst.add ("Uranus"); Lst.add ("Neptune"); Lst.add ("Pluto");        Add (Lblfruit);        Add (fruits);        Add (Lblstar); Add (starts);//add (LST);} Public Static void Main(string[] args) {Test10 test=NewTest10 ("hehe"); Test.setsize ( -, -); Test.setlocationrelativeto (NULL); Test.setvisible (true); }}

MenuBar, Menu, MenuItem

 import java.awt.FlowLayout; import java.awt.Frame; import java.awt.Menu; import java.awt.MenuBar; import java.awt.MenuItem; import java.awt.MenuShortcut; import java.awt.event.KeyEvent;/ * * MenuBar, Menu, MenuItem * / Public  class Test11 {     Public Static voidMain (string[] args) {Frame frame=NewFrame ("My Forms");//Create menu barMenuBar mymenu=NewMenuBar ();//Create a menuMenu menu1=NewMenu ("File"); Menu menu2=NewMenu ("Edit");//Create menu itemMenushortcut newms=NewMenushortcut (Keyevent.vk_n,true);//Set shortcut keysMenuItem item1=NewMenuItem ("New", newms); MenuItem item2=NewMenuItem ("Close"); MenuItem item3=NewMenuItem ("Save"); MenuItem item4=NewMenuItem ("Copy"); MenuItem item5=NewMenuItem ("Cut"); MenuItem item6=NewMenuItem ("Paste");//Add menu items to menusMenu1.add (ITEM1);        Menu1.add (ITEM2);        Menu1.add (ITEM3);        Menu2.add (ITEM4);        Menu2.add (ITEM5); Menu2.add (ITEM6);//Add a menu to the menu barMymenu.add (MENU1);        Mymenu.add (MENU2); Frame.setlayout (NewFlowLayout ()); Frame.setsize ( $, $); Frame.setlocationrelativeto (NULL); Frame.setmenubar (MyMenu);//Set menu bar for formFrame.setvisible (true); }}

Java Learning Notes (44)-AWT components (Abstract Window Toolkit)