javaÖеÄforeachÓ÷¨
import java.util.*;
public class ForeachExample {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Random r = new Random();
int[] x = new int[10];
for (int i = 0; i < x.length; i++) {
x[i] = r.nextInt(100);
}
// foreachµÄʹÓÃ
for (int y : x) {
System.out.print(y + " ");
}
System.out.println();
// ÁíÒ»ÖÖ´òÓ¡Êý×éµÄ·½Ê½
System.out.println(Arrays.toString(x));
for (char c : "I am a good girl!".toCharArray())
System.out.print(c + " ");
}
}
Ïà¹ØÎĵµ£º
Database
MySQL
PostgreSQL
Firebird(suitable for embedded database)
HSQLDB(160K)
DB Tie
Hibernate
Ibatis
JDO
OSCache
JBossCache
Business Tie
Spring
UI Tie
Structs
JSF
Tapestry
Webwork
Flex
DWR(Ajax
Framework)
ZK(Ajax
Framework)
Dojo(Ajax
Framework)
Development Tools
......
java exception ½â¾ö·½°¸ - ÎÒµÄÒì³£Íø|Òì³£|exception 730 - org.hibernate.LazyInitializationException:could not initialize proxy 731 - ¾¯¸æ: Error setting value 732 - override and commit 733 - Building workspace has encountered a problem. Errors during build 734 - Could not open the editor: An ......
1¡¢¼òµ¥ java
2¡¢¿ÉÒÆÖ²ÐÔ Ò»´Î±àÒë´¦´¦ÔËÐÐ
3¡¢ÃæÏò¶ÔÏó
4¡¢·Ö²¼Ê½ java°Ñ´ò¿ªÌ×½Ó×ֵȷ±ËöµÄÍøÂçÈÎÎñ±äµÄ·Ç³£¼òµ¥
5¡¢½¡×³ÐÔ java±àÒëÆ÷¿ÉÒÔ¼ì²é³öÆäËûÓïÑÔÔÚÔËÐÐʱ²ÅÄÜ·¢ÏֵĴíÎó
6¡¢¶àÏß³Ì ¶àÏ̵߳ļòµ¥ÐÔÊÇjavaÁ÷ÐÐÓÚ·þÎñÆ÷±à³ÌµÄÖ»ÒªÔÒò
7¡¢°²È«
8¡¢½á¹¹ÖÐÁ¢
9¡¢¶¯Ì¬
¡£¡£¡£ ......
Ò»¡¢
ÏÈ¿´Ò»¸ö³ÌÐò
#include <stdio.h>
int main()
{
const int a = 5;
int b[a];
return 0;
}
ÔÚvc6.0ÖÐÃüÃûΪ.cÎļþ£¬±àÒë»á³ö´í£¬ÊÇint b[a]ÕâÒ»ÐУºexpected constant expression
ÃüÃûΪ.cppÎļþ£¬Ã»ÎÊÌâ¡£
ÔÚcodeblocks(Ò»¸öÃâ·Ñ¿ªÔ´µÄ±àÒëÆ÷)ÖбàÒ붼à ......
public class Fibonacci {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
NumOfFibonacci(9);
}
public static int MyFibonacci(int i){
if(i>0) {
if(i == 1)return 1;
if(i == 2)return 1;
else return MyFibonacc ......