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

JavaͼƬ´¦Àí·½·¨——·Å´ó¡¢ËõС¡¢Çиî

import java.io.*;
import java.awt.*;
import java.awt.image.*;
import java.awt.Graphics;
import java.awt.color.ColorSpace;
import javax.imageio.ImageIO;
public class ChangeImageSize
{
    /** *//**
     * Ëõ·ÅͼÏñ
     * @param srcImageFile ԴͼÏñÎļþµØÖ·
     * @param result       Ëõ·ÅºóµÄͼÏñµØÖ·
     * @param scale        Ëõ·Å±ÈÀý
     * @param flag         Ëõ·ÅÑ¡Ôñ:true ·Å´ó; false ËõС;
     */
    public static void scale(String srcImageFile, String result, int scale, boolean flag)
    {
        try
        {
            BufferedImage src = ImageIO.read(new File(srcImageFile)); // ¶ÁÈëÎļþ
            int width = src.getWidth(); // µÃµ½Ô´Í¼¿í
            int height = src.getHeight(); // µÃµ½Ô´Í¼³¤
            if (flag)
            {
                // ·Å´ó
                width = width * scale;
                height = height * scale;
            }
            else
            {
           &n


Ïà¹ØÎĵµ£º

JavaỊ̈߳ºÏ̵߳Äͬ²½ÓëËø

JavaỊ̈߳ºÏ̵߳Äͬ²½ÓëËø
 
 
 
Ò»¡¢Í¬²½ÎÊÌâÌá³ö
 
Ï̵߳Äͬ²½ÊÇΪÁË·ÀÖ¹¶à¸öÏ̷߳ÃÎÊÒ»¸öÊý¾Ý¶ÔÏóʱ£¬¶ÔÊý¾ÝÔì³ÉµÄÆÆ»µ¡£
ÀýÈ磺Á½¸öÏß³ÌThreadA¡¢ThreadB¶¼²Ù×÷ͬһ¸ö¶ÔÏóFoo¶ÔÏ󣬲¢ÐÞ¸ÄFoo¶ÔÏóÉϵÄÊý¾Ý¡£
 
public class Foo {
    private int x = 100;
......

Ãô½Ý¿ª·¢ÖиßÖÊÁ¿ Java ´úÂ뿪·¢Êµ¼ù

Ãô½Ý¿ª·¢µÄÀíÄîÒѾ­Á÷ÐÐÁ˺ܳ¤µÄʱ¼ä£¬ÔÚÃô½Ý¿ª·¢ÖеĿª·¢µü´ú½×¶ÎÖУ¬ÎÒÃÇ¿ÉÒÔͨ¹ýÎå¸ö²½Ö裬À´ÓÐЧµÄÌá¸ßÕû¸öÏîÄ¿µÄ´úÂëÖÊÁ¿¡£
JavaÏîÄ¿¿ª·¢¹ý³ÌÖУ¬ÓÉÓÚ¿ª·¢ÈËÔ±µÄ¾­Ñé¡¢Java´úÂë±àдϰ¹ß£¬ÒÔ¼°È±·¦Í³Ò»µÄ±ê×¼ºÍ¹ÜÀíÁ÷³Ì£¬ÍùÍùµ¼ÖÂÕû¸öÏîÄ¿µÄ´úÂëÖÊÁ¿½Ï²î£¬ÄÑÓÚά »¤£¬ÐèÒª½Ï´óµÄ²âÊÔͶÈëºÍÖÜÆÚµÈÎÊÌâ¡£ÕâЩÎÊÌâÔÚÒ»¸öÏ ......

javaÖеĴúÂë¿éÀí½â

´úÂë¿é£º¾ÍÊÇÓÃ{}À¨ÆðÀ´µ½²¿·Ö¡£¸ù¾ÝÓ¦ÓõIJ»Í¬·ÖΪ4Àà:ÆÕͨ´úÂë¿é¡¢¹¹Ôì¿é¡¢¾²Ì¬´úÂë¿é¡¢Í¬²½´úÂë¿é¡£
1.ÆÕͨ´úÂë¿é£º¶¨ÒåÔÚ·½·¨ÖеĴúÂë¿é¡£
È磺
public class Ex22 {

public static void main(String[] args){
// ÆÕͨ´úÂë¿é
{
int i = 3;
System ......

ѧϰjavaµÄ30¸öÄ¿±ê

1.ÄãÐèÒª¾«Í¨ÃæÏò¶ÔÏó·ÖÎöÓëÉè¼Æ(OOA/OOD)¡¢É漰ģʽ(GOF£¬J2EEDP)ÒÔ¼°×ÛºÏģʽ¡£ÄãÓ¦¸ÃÊ®·ÖÁ˽âUML£¬ÓÈÆäÊÇ
class£¬object£¬interactionÒÔ¼°statediagrams¡£

¡¡¡¡2.ÄãÐèҪѧϰJAVAÓïÑԵĻù´¡ÖªÊ¶ÒÔ¼°ËüµÄºËÐÄÀà¿â
(collections£¬serialization£¬streams£¬networking£¬  
multithreading£¬reflection£¬event£ ......

Ãô½Ý¿ª·¢Öбàд¸ßÖÊÁ¿Java´úÂë

Ãô½Ý¿ª·¢µÄÀíÄîÒѾ­Á÷ÐÐÁ˺ܳ¤µÄʱ¼ä£¬ÔÚÃô½Ý¿ª·¢ÖеĿª·¢µü´ú½×¶ÎÖУ¬ÎÒÃÇ¿ÉÒÔͨ¹ýÎå¸ö²½Ö裬À´ÓÐЧµÄÌá¸ßÕû¸öÏîÄ¿µÄ´úÂëÖÊÁ¿¡£
JavaÏîÄ¿¿ª·¢¹ý³ÌÖУ¬ÓÉÓÚ¿ª·¢ÈËÔ±µÄ¾­Ñé¡¢Java´úÂë±àдϰ¹ß£¬ÒÔ¼°È±·¦Í³Ò»µÄ±ê×¼ºÍ¹ÜÀíÁ÷³Ì£¬ÍùÍùµ¼ÖÂÕû¸öÏîÄ¿µÄ´úÂëÖÊÁ¿½Ï²î£¬ÄÑÓÚά »¤£¬ÐèÒª½Ï´óµÄ²âÊÔͶÈëºÍÖÜÆÚµÈÎÊÌâ¡£ÕâЩÎÊÌâÔÚÒ»¸öÏ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ