JAVAºÎÎ½ÃæÏò¶ÔÏó
javaÊÇÒ»ÖÖÃæÏò¶ÔÏóµÄ±à³ÌÓïÑÔ£¬ÔõôÀí½â£¿
javaдµÄ³ÌÐò¶¼ÊÇÃæÏò¶ÔÏóµÄÂð£¿
Äã¿ÉÄÜÈÏΪ£¬javaÉúÀ´¾ÍÊÇÃæÏò¶ÔÏóµÄ¡£
ÇÒ¿´£º
package cn.nileader.calculate_OPP;
import java.util.Scanner;
/**
* ÕâÊÇÒ»¸öOPPµÄµÄ¼ÆËãÆ÷(¼Ó·¨ºÍ¼õ·¨)
* @author nileader
* @see http://www.nileader.cn
*/
public class Test {
public static void main(String[] args)throws Exception{
Scanner cin = new Scanner(System.in);
while(true){
System.out.println("ÇëÊäÈë±í´ïʽ£ºÈ磺8/2");
String expression = cin.next();
//ÊǸö¼Ó·¨ÔËËã
if( expression.indexOf("+") != -1) addition(expression);
else if( expression.indexOf("-") != -1) subtration(expression);
else System.out.println("³ÌÐòÖ»Ö§³Ö¼Ó·¨ºÍ¼õ·¨£¬Çë¼ì²é±í´ïʽ");
}
}
/**
* ¼Ó·¨ÔËËã 8/2
*/
static void addition (String expression){
String[] str = expression.split("\\+");
int data[] = new int[2];
data[0] = Integer.parseInt(str[0]);
data[1] = Integer.parseInt(str[1]);
System.out.println("= "+(data[0]+data[1]));
}
/**
* ¼õ·¨ÔËËã
*/
static void subtration(String expression){
String[] str = expression.split("\\-");
int data[] = new int[2];
data[0] = Integer.parseInt(str[0]);
data[1] = Integer.parseInt(str[1]);
System.out.println("= "+(data[0]-data[1]));
}
}
¶ÁÕß¿ÉÄÜ»á˵£¬Ã»ÓÐÓõ½À࣡
Óõ½ÀàÁ˾ÍÒ»¶¨ÊÇÃæÏò¶ÔÏóÁËÂð£¿
ÇÒ¿´£º
package cn.nileader.calculate_ASOOP;
import java.util.Scanner;
/**
* ÕâÊÇÒ»¸ö¿´ÉÏÈ¥µÄOOPµÄµÄ¼ÆËãÆ÷(¼Ó·¨ºÍ¼õ·¨)£¬ºÜ¶àjava³õѧÕߵijÌÐò¡£
* @author nileader
* @see http://www.nileader.cn
*/
public class Test {
public static void main(String[] args)throws Exception{
Scanner cin = new Scanner(System.in);
while(true){
System.out.println("ÇëÊäÈë±í´ïʽ£ºÈ磺8/2");
String expression = cin.next();
//ÊǸö¼Ó·¨ÔËËã
Calculate cal = new Calculate(expression);
if( expression.indexOf("+") != -1) cal.addition(expressi
Ïà¹ØÎĵµ£º
Javaѧϰ´ÓÈëÃŵ½¾«Í¨
Ò»¡¢ JDK (Java Development Kit)
JDKÊÇÕû¸öJavaµÄºËÐÄ£¬°üÀ¨ÁËJavaÔËÐл·¾³£¨Java Runtime Envirnment£©£¬Ò»¶ÑJava¹¤¾ßºÍJava»ù´¡µÄÀà¿â(rt.jar)¡£²»ÂÛʲôJavaÓ¦Ó÷þÎñÆ÷ʵÖʶ¼ÊÇÄÚÖÃÁËij¸ö°æ±¾µÄJDK¡£Òò´ËÕÆÎÕJDKÊÇѧºÃJavaµÄµÚÒ»²½¡£×îÖ÷Á÷µÄJ ......
ÔÚÒ»¸öÃæÏò¶ÔÏóµÄϵͳÖУ¬ÏµÍ³µÄ¸÷ÖÖ¹¦ÄÜÊÇÓÉÐíÐí¶à¶àµÄ²»Í¬¶ÔÏóÐ×÷Íê³ÉµÄ¡£ÔÚÕâÖÖÇé¿öÏ£¬¸÷¸ö¶ÔÏóÄÚ²¿ÊÇÈçºÎʵÏÖ×Ô¼ºµÄ¶ÔϵͳÉè¼ÆÈËÔ±À´½²¾Í²»ÄÇÃ´ÖØÒª
ÁË£»¶ø¸÷¸ö¶ÔÏóÖ®¼äµÄÐ×÷¹ØÏµÔò³ÉΪϵͳÉè¼ÆµÄ¹Ø¼ü¡£Ð¡µ½²»Í¬ÀàÖ®¼äµÄͨÐÅ£¬´óµ½¸÷Ä£¿éÖ®¼äµÄ½»»¥£¬ÔÚϵͳÉè¼ÆÖ®³õ¶¼ÊÇÒª×ÅÖØ¿¼Âǵģ¬ÕâÒ²ÊÇϵͳÉè¼ÆµÄÖ÷
Òª ......
1.ÒòΪÁ½ÕßµÄÓÃ;²»Í¬£¬ËùÒÔAnnotationÓëXMLÓ¦¸Ã²¢´æ
¡¡Anootation vs XML µ½ÁËÏÖÔÚ£¬ÔÚSpringºÍEJB3¸÷Õ¼Ò»±ßµÄ³ÖÐøÑÝʾÏ£¬¸÷×ÔµÄÓÃ;ÒÑÇåÎú¡£
ËäÈ»Á½ÕßÖ®¼äÍêÈ«¿ÉÒÔÏà»¥Ìæ´ú£¬Ã»Óоø¶Ô²»ÄÜ×öµÄÊÂÇ飬µ«È´´æÔںò»ºÃµÄÎÊÌ⣬Á½ÕßµÄÓÃ;²»Í¬£¬Ó¦¸Ã²¢Óãº
"size=10£¬ ......
SCJP5ѧϰ±Ê¼Ç
Ò»¡¢²Ù×÷ϵͳÖÐÏ̺߳ͽø³ÌµÄ¸ÅÄî
ÏÖÔڵIJÙ×÷ϵͳÊǶàÈÎÎñ²Ù×÷ϵͳ¡£¶àÏß³ÌÊÇʵÏÖ¶àÈÎÎñµÄÒ»ÖÖ·½Ê½¡£
½ø³ÌÊÇÖ¸Ò»¸öÄÚ´æÖÐÔËÐеÄÓ¦ÓóÌÐò£¬Ã¿¸ö½ø³Ì¶¼ÓÐ×Ô¼º¶ÀÁ¢µÄÒ»¿éÄÚ´æ¿Õ¼ä£¬Ò»¸ö½ø³ÌÖпÉÒÔÆô¶¯¶à¸öÏ̡߳£±ÈÈçÔÚWindowsϵͳÖУ¬Ò»¸öÔËÐеÄexe¾ÍÊÇÒ»¸ö½ø³Ì¡£
Ïß³ÌÊÇÖ¸½ø³ÌÖеÄÒ ......
±¾ÏîÄ¿Óõ½µÄ¼¼ÊõÊÇssh£¬ajax¿ò¼Üdwr£¬¹¤×÷Á÷µÈ
Óöµ½µÄÎÊÌâÊÇÒµÎñÁ÷³Ì²»ÊìϤ£¬¼¼ÊõÉϺÍÍŶӳÉÔ±ÓÐЩ²î¾à£¨µ«ÎÒÏàÐÅ×Ô¼º»áÍê³ÉÈÎÎñ£©
sqlÓï¾äµÄ±àд
˼·ÎÊÌ⣬ֻҪÓÐ˼·£¬¾Í»áÓз½·¨£¬×öÈí¼þÒ²ÐèÒªÆæË¼ÃîÏë°¡¹þ¹þ£»
¿ª·¢¹ý³ÌÒ²ÊDz»¶ÏѧϰµÄ¹ý³Ì£»
×î½üÓöµ½ÁËÒ»¸ösessionºÍdatabase²»Í¬²½µÄÎÊÌ⣬½â¾öµÄ·½·¨Êǽ« ......