Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

ÓÃjava ´òÓ¡ÁâÐÎ

public class testthree {
 public static void main(String[] args) {
  testthree t = new testthree();
  t.test();
 }
 private static void test() {
  int d = 0;
  int f = 4;
  int x = 0;
  int y = 6;
  for (int j = 0; j < 4; j++) {
   f = f - 1;
   for (int i = 0; i < f; i++) {
    System.out.print(" ");
   }
   d = d + 2;
   for (int i = 1; i < d; i++) {
    System.out.print("*");
   }
   System.out.println();
  }
  for (int j = 0; j < 4; j++) {
   x = x + 1;
   for (int i = 0; i < x; i++) {
    System.out.print(" ");
   }
   y = y - 2;
   for (int i = 0; i <= y; i++) {
    System.out.print("*");
   }
   System.out.println();
  }
 }
}


Ïà¹ØÎĵµ£º

Java NIO APIÏê½â

 
Java NIO APIÏê½â
ÔÚJDK
1.4ÒÔǰ£¬JavaµÄIO²Ù×÷¼¯ÖÐÔÚjava.ioÕâ¸ö°üÖУ¬ÊÇ»ùÓÚÁ÷µÄ×èÈû£¨blocking£©API¡£¶ÔÓÚ´ó¶àÊýÓ¦ÓÃÀ´Ëµ£¬ÕâÑùµÄAPIʹÓúܷ½
±ã£¬È»¶ø£¬Ò»Ð©¶ÔÐÔÄÜÒªÇó½Ï¸ßµÄÓ¦Óã¬ÓÈÆäÊÇ·þÎñ¶ËÓ¦Óã¬ÍùÍùÐèÒªÒ»¸ö¸üΪÓÐЧµÄ·½Ê½À´´¦ÀíIO¡£´ÓJDK 1.4Æð£¬NIO
API×÷Ϊһ¸ö»ùÓÚ»º³åÇø£¬²¢ÄÜÌṩ·Ç×èÈû(non-blo ......

ÉîÈë½âÎöJavaµÄÐÂÌØÐÔassertion

 
ÎÒÃǾ­³£ÏÂÔØ¿ªÔ´ÏîÄ¿µÄÔ´ÂëÔÚ±¾µØ±àÒë,ÊDz»ÊǾ­³£±»Ò»¾ä"assert expression"¸ø¸ãµÃ±àÒë²»¹ýÈ¥£¬¾­³£ÊÇÔÚÀϰ汾µÄjdk±àÒëÆ÷ÏÂû°ì·¨£¬ÏÂÃæ¾ÍÏò´ó¼ÒÍÆ¼öһƪÉîÈë·ÖÎöjava assertionµÄÎÄÕ¡£
Ò»¡¢assertionµÄÓï·¨ºÍÓïÒå
J2SE 1.4ÔÚÓïÑÔÉÏÌṩÁËÒ»¸öÐÂÌØÐÔ£¬¾ÍÊÇassertion(¶ÏÑÔ)¹¦ÄÜ£¬ËüÊǸð汾ÔÚJavaÓïÑÔ·½Ãæ×î´ ......

ÓûìÏýÆ÷±£»¤ÄãµÄJAVA(.class)´úÂë(¶þ)

µÚ¶þÖÖ¼òµ¥µÄ·½·¨¾ÍÊÇ,ÔÚhttp://proguard.sourceforge.net/ÏÂÔØZIP°ü.×îеÄÊÇ4.5BETA
 ½âѹËõºó,Ë«»÷proguardgui.jar
 ÔËÐÐÈí¼þ
 ×îɵ¹ÏµÄÉèÖ÷½·¨:ÉèÖúÃINPUT/OUTPUT,µãPROCESS.½á¹û¾Í³öÀ´ÁË.
Éú³ÉÁË.a.class.b.class ÓÃJAD·´±àÒë,JADÌáʾ:²»ÄÜÍêÕûµÄ·´±àÒë....,´ò¿ª±àÒëºóµÄ´úÂë±äÁ¿ºÍº¯ÊýÃûÈ«²¿±»Ì ......

java Êó±ê»­Ïß

Line.javaÎļþ-------Çý¶¯Àà
import javax.swing.JFrame;
public class Line
{
   public static void main(String[] arg)
   {
       JFrame frame=new JFrame("Draw lines");
       frame.setDefaultCloseOperation(JFrame.EX ......

Java³£ÓÃËã·¨·ÖÎö

Ò»  ²åÈëÅÅÐò·¨:
˵Ã÷: ÿ´Î½«Ò»¸ö´ýÅÅÐòµÄ¼Ç¼£¬°´Æä¹Ø¼ü×Ö´óС²åÈëµ½Ç°ÃæÒѾ­ÅźÃÐòµÄ×ÓÎļþÖеÄÊʵ±Î»Öã¬Ö±µ½È«²¿¼Ç¼²åÈëÍê³ÉΪֹ¡£ Java´úÂë public class InsertSorter extends Sorter {   /**      * from  ÆðʼλÖà   &# ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ