JAVA¶ÁÈ¡Îļþ£¬±ÜÃâÖÐÎÄÂÒÂë¡£
1¡¢JAVA¶ÁÈ¡Îļþ£¬±ÜÃâÖÐÎÄÂÒÂë¡£
/**
* ¶ÁÈ¡ÎļþÄÚÈÝ
*
* @param filePathAndName
* String Èç c:\\1.txt ¾ø¶Ô·¾¶
* @return boolean
*/
public static String readFile(String filePathAndName) {
String fileContent = "";
try {
File f = new File(filePathAndName);
if(f.isFile()&&f.exists()){
InputStreamReader read = new InputStreamReader(new FileInputStream(f),"UTF-8");
BufferedRead
Ïà¹ØÎĵµ£º
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 ......
package com.test.common;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Date;
import java.util.Properties;
......
ÏÈ¿´Ò»¶Î´úÂë
public class Hello{
public static void main(String[] args){
int i = 5 , j = 2;
System.out.println(i+j);
System.out.println(i-j);
& ......
³éÏ󻯺ͼ̳йØÏµÊ¹¸ÅÄîºÍ¶¨Òå¿ÉÒÔ¸´Óã»¶à̬ÐÔʹʵÏÖºÍÓ¦ÓÿÉÒÔ¸´Óã»
¿ª±ÕÔÔò£¨Open-Closed Principle OCP£©Ò»¸öÈí¼þʵÌåÓ¦µ±¶ÔÀ©Õ¹¿ª·Å£¬¶ÔÐ޸ķâ±Õ¡£
¶Ô¿É±äÐԵķâ×°ÔÔò£¨Principle of Encapsulation of Variation£© (1)Ò»Öֱ仯ÐÔ²»ºÍÁíÒ»ÖÖ»ìºÏÔÚÒ»Æð £¨2£©Ò»ÖֿɱäÐÔ²»Ó¦É¢ÂäÔÚ´úÂëµÄºÜ¶àµØ·½¡£
ÀïÊÏ´ú»» ......
Ò»¡¢PythonÖеÄÎļþ¹ÜÀí
Îļþ¹ÜÀíÊǺܶàÓ¦ÓóÌÐòµÄ»ù±¾¹¦ÄܺÍÖØÒª×é³É²¿·Ö¡£Python¿ÉÒÔʹÎļþ¹ÜÀí¼«Æä¼òµ¥£¬ÌرðÊÇºÍÆäËüÓïÑÔÏà¶Ô±È¡£
ÒÔÏ£¬Peyton McCullough½²½âÁËÎļþ¹ÜÀí»ù´¡¡£
½éÉÜ
ÄãÍæ¹ýµÄÓÎϷʹÓÃÎļþÀ´±£´æ´æµµ£»ÄãÏµĶ©µ¥±£´æÔÚÎļþÖУ»ºÜÃ÷ÏÔ£¬ÄãÔçÉÏдµÄ±¨¸æÒ²±£´æÔÚÎļþÖС£
¼¸ºõÒÔÈκÎÓïÑÔ±àдµÄÖÚ¶àÓ ......