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public class frameTest(){
public static void Main(String args[]){
//´´½¨JFrame¶ÔÏó£¬JFrameÓÃÀ´ÔÚÆÁÄ»ÉÏÏÔʾһ¸öWindows´°¿Ú¡£
JFrame frame = new JFrame("µÚÒ»¸öJFrame");
// ½¨Á¢Ò»¸öÎı¾ÊäÈëÓò¶ÔÏó£¬ÓÉÓÚÎı¾ÊäÈëÓòÊÇJComponentµÄ×ÓÀ࣬¿ÉÒÔ²ÉÓÃÒÔ
// Ï·½·¨¶¨Òå¡£
JComponent comp = new JTextArea();
// ½«ÉÏÃæ½¨Á¢µÄÎı¾ÊäÈëÓò¼ÓÈëµ½frame¶ÔÏó
// ĬÈÏÇé¿öÏ£¬frameµÄÄÚÈÝÃæ°å£¨ÈÝÆ÷£©²ÉÓÃBorderLayout²¼¾Ö£¬
// ÕâÀïÊǽ«Îı¾ÊäÈëÓò·ÅÈëBorderLayout²¼¾ÖµÄCenter²¿Î»¡£
// ÓйØBorderLayout²¼¾ÖµÄÄÚÈÝ£¬Çë²éÔÄ
// http://gyfinjava.blog.com.cn/archives/2007/2161340.shtml
frame.getContentPane().add(comp, BorderLayout.CENTER);
// ÉèÖÃÆä¸ß¶ÈºÍ¿í¶È·Ö±ðΪ£º288ÏñËØºÍ188ÏñËØ
frame.setSize(288,188);
// ÏÔʾ¸ÃFrame
frame.setVisible(true);
}
}
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//ÏÂÐдúÂë¿ÉÒÔʹµ¥»÷Í˳ö°´Å¥Ê±£¬Í˳ö¸ÃJFrame
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//ÏÂÐдúÂë¿ÉÒÔʹJFrameµÄÍ˳ö°´Å¥Ê§Ð§
frame.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
´´½¨Ã»Îޱ߿òµÄFrame(Window)
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import javax.swing.JWindow;
public class JWindowTest {
public static void main(String[] args){
//´´½¨JWindows¶ÔÏó
JWindow window = new JWindow();
// ÕâÀһÑù¿ÉÒÔͨ¹ý½Ì³ÌgetContentPane().add()·½·¨Îª¸ÃJWindowÔö¼Ó×é¼þ
//window.getContentPane().add(JCompon
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NumberFormat nf = NumberFormat.getIntegerInstance();
double v=12.6;
System.out.println(nf.format(v));
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