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Java SWT ´°¿Ú¾ÓÖÐ¶ÔÆë

public static void CentreWnd(Shell shell){
int width = shell.getMonitor().getClientArea().width;
int height = shell.getMonitor().getClientArea().height;
int x = shell.getSize().x;
int y = shell.getSize().y;
if (x > width) {
shell.getSize().x = width;
}
if (y > height) {
shell.getSize().y = height;
}
shell.setLocation((width - x) / 2, (height - y) / 2);
}


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java jxlÌí¼Óˮӡ(»ùÓÚjxl2.6.12Ð޸ıàÒë°æ)_

ÒòÊý¾Ý°²È«£¬ÐèÒª½«Éú³ÉµÄ±¨±íxls£¬Ìí¼Óˮӡ,ËùÒÔ×ÔÒÑÔÚjxlÖнøÐдúÂëÐ޸ġ£
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public class testJxl {
public static void main(String[] args) throws Exception {
OutputStream out = new FileOutputStream("./aaaa.xls"); // дÈëµ½FileInputStream
WritableWorkbook wwb= Workbook.createWorkbook(out);
......

java Mail·¢Ë͸½¼þÓʼþ

±¾Ìùת×Ô£ºhttp://zhengxuezhou.javaeye.com/blog/540815
ÀûÓÃSun¹«Ë¾ÌṩµÄJavaMail
API¿ÉÒԺܷ½±ãµÄ¿ª·¢Óʼþ·¢ËͳÌÐò¡£Ò²ÐíÄãÒѾ­¿ÉÒÔÀûÓÃËüÀ´·¢ËÍÒ»¶Î¼òµ¥µÄÎı¾ÁË£¬µ«Ïë²»ÏëʹÄãµÄ³ÌÐòÏñOUTLOOKÒ»ÑùÒ²ÄÜ·¢Ë͸½¼þÄØ£¿±¾ÎÄÔÚ¼òµ¥
½éÉÜÁËJavaMailÖ®ºó£¬Ïêϸ½²½âÁËÒ»¶ÎÍêÕûµÄËÍÐŵÄJavaBean¼°Ò»¸öÊ®·ÖÇáÇɵÄservlet¡£ ......

java homework

ʹÓÃjava.lang.MathÀ࣬Éú³É500¸ö0~99µÄËæ»úÊý£¬½øÐÐÅÅÐòÊä³ö£¬²¢Çó×î´óÖµ¡¢×îСֵ¡¢Æ½¾ùÖµ¡¢±ê×¼²î¡¢·½²î¡¢¾ù·½²î£»
import java.lang.Math;
import java.util.Arrays;
public class Main {
public static void main(String args[]) {
//create random
int [] data =new int[500];
double sum = 0, avg =0; ......

java³ÌÐòÐÔÄÜ

JavaʹµÃ¸´ÔÓÓ¦ÓõĿª·¢±äµÃÏà¶Ô¼òµ¥£¬ºÁÎÞÒÉÎÊ£¬ËüµÄÕâÖÖÒ×ÓÃÐÔ¶ÔJavaµÄ´ó·¶Î§Á÷Ðй¦²»¿Éû¡£È»¶ø£¬ÕâÖÖÒ×ÓÃÐÔʵ¼ÊÉÏÊÇÒ»°ÑË«Èн£¡£Ò»¸öÉè¼ÆÁ¼ºÃµÄJava³ÌÐò£¬ÐÔÄܱíÏÖÍùÍù²»ÈçÒ»¸öͬÑùÉè¼ÆÁ¼ºÃµÄC++³ÌÐò¡£ÔÚJava³ÌÐòÖУ¬ÐÔÄÜÎÊÌâµÄ´ó²¿·ÖÔ­Òò²¢²»ÔÚÓÚJavaÓïÑÔ£¬¶øÊÇÔÚÓÚ³ÌÐò±¾Éí¡£Ñø³ÉºÃµÄ´úÂë±àдϰ¹ß·Ç³£ÖØÒª£¬±ÈÈçÕýÈ·µ ......

[ת]Does Java pass by reference or pass by value?

http://www.javaworld.com/javaworld/javaqa/2000-05/03-qa-0526-pass.html
Does Java pass by reference or pass by value?
Why can't you swap in Java?
By Tony
Sintes, JavaWorld.com, 05/26/00

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