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import javax.swing.JOptionPane;
class ¸º·ÖÒì³£ extends Exception //µ±Â¼ÈëÁ˸º·Öʱ¡£´Ë´¦Ó¦ÓÃÁË×Ô¶¨ÒåÒì³£ { }
class ¸ß·ÖÒì³£ extends Exception //µ±Â¼Èë·Ö³¬¹ý100ʱ¡£Ó¦ÓÃÁË×Ô¶¨ÒåÒì³£ { }
public class ExceptionDemo {
¸º·ÖÒì³£(int i){
System.out.println(\·ÖÊýΪ¸ºÊý\); }
¸ß·ÖÒì³£(int i ){
System.out.println(\·ÖÊý¹ý¸ß\); }
static final int number=2; int score[]=new int[number];
public void ¼ì²é·ÖÊý(int ·ÖÊý) throws ¸º·ÖÒì³£,¸ß·ÖÒì³£ //ÏÂÃæ·½·¨ÖÐÅжÏÈç¹û¼ÈëµÄ³É¼¨²»ºÏ{ if(·ÖÊý >100) throw new ¸ß·ÖÒì³£(·ÖÊý); //ͨ¹ýthrow£¬È˹¤Å׳öÒì³£ if(·ÖÊý <0) throw new ¸º·ÖÒì³£(·ÖÊý); }
public void ¼Èë³É¼¨()
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{ int i;
for(i=0;i score[i]=Integer.parseInt(JOptionPane.showInputDialog(\ÇëÊäÈëµÚ\+(i+1) +\¸öͬѧµÄ³É¼¨\)); }catch(NumberFormatException e) //ÔÚtry{¡¡.}catch¼äµÄÓï¾äÖÐÈô²úÉúÒì³££¬Ôò²¶»ñ Òì³££¬Ö±½Ó½øÐÐÒì³£´¦Àí { } } 14 try{ ¼ì²é·ÖÊý(score[i]); //ÔÚ¼ì²é·ÖÊýÄ£¿éÖУ¬¿ÉÄܲúÉú¸ß·ÖÒì³£¶ÔÏó£¬Ò²¿ÉÄܲúÉúµÍ·ÖÒì}catch(¸ß·ÖÒì³£ e){ System.out.println(e); ³£¶ÔÏ󣬸ù¾Ý²»Í¬Çé¿ö£¬½øÐв»Í¬´¦Àí }catch(¸º·ÖÒì³£ e){ System.out.println(e); } } } public void Êä³ö³É¼¨() { System.out.println(score[0]); System.out.println(score[1]); } public static void main(String arg[]) { ExceptionDemo demo = new ExceptionDemo(); demo.¼Èë³É¼¨(); demo.Êä³ö³É¼¨(); } XXѧԺjavaʵÑ鱨¸æ Èý¡¢ÊµÑéÒªÇó 1¡¢¸ù¾ÝÌâÄ¿ÒªÇóÍê³É³ÌÐòÖÐûÓÐÍê³ÉµÄÄ£¿é¡£ 2¡¢Ð´ºÃÉÏ»ú±¨¸æ¡£ ʵÑéÆߣºÍ¼ÐÎÓû§½çÃæÉè¼Æ£¨Ò»£© Ò»¡¢ ʵÑéÄ¿µÄ£º 1£® ¹®¹ÌͼÐÎÓû§½çÃæÉè¼ÆµÄ·½·¨ 2£® ÕÆÎÕʼþ´¦ÀíµÄÉè¼Æ·½·¨ ¶þ¡¢ ʵÑéÄÚÈÝ£º 1£®»æÖÆÈçÏÂÐÎʽµÄͼÐνçÃ棬ҪÇ󣺴°Ìå±³¾°ÎªÀ¶É«£¬ÖмäΪ»ÆÉ«·½¸ñ¡£ import java.awt.*; public class Test{ } class F extends Frame{ public static void main(String args[]){ } new F(); F(){ int x,y,w,h; x = 200;y = 200;w = 200;h = 200; setBounds(x,y,w,h); setBackground(Color.yellow); Panel p = new Panel(); p.setBounds(x/4,y/4,w/2,h/2); p.setBackground(Color.blue); setLayout(null); 15 XXѧԺjavaʵÑ鱨¸æ } } add(p); setVisible(true); 2. ±àд³ÌÐò£¬»æÖÆÈçϸñʽµÄ½çÃ棺 import java.awt.*; public class Test{ public static void main(String args[]){ Frame f = new Frame(); f.setLayout(new GridLayout(2,1)); f.setBounds(300,300,300,300); Panel p1 = new Panel(new BorderLayout()); Panel p2 = new Panel(new BorderLayout()); Panel p11 = new Panel(new GridLayout(2,1)); Panel p21 = new Panel(new GridLayout(2,2)); p1.add(new Button(\),BorderLayout.WEST); p1.add(new Button(\),BorderLayout.EAST); p11.add(new Button(\)); p11.add(new Button(\)); p1.add(p11,BorderLayout.CENTER); p2.add(new Button(\),BorderLayout.WEST); p2.add(new Button(\),BorderLayout.EAST); for(int i = 0;i<4;i++){ p21.add(new Button(\)); 16