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

javaÖÐthis¹Ø¼ü×ÖÓ÷¨

 /**
* this¹Ø¼ü×ÖÓ÷¨
*/
public class Flower {

int petalCount = 0;
String s = "initial value";

Flower(int petals){
petalCount = petals;
System.out.println("Constructor with one int arg");
}

Flower(String ss){
System.out.println("Constructor with one string arg");
s = ss;
}

Flower(String ss, int petals){
this(petals);
this.s = ss;
System.out.println("Constructor with string and int args");
}

Flower(){
this("hi",47);
System.out.println("Default Constructor with no args");
}

void printPetalCount(){
System.out.println("petalCount = "+petalCount+"; s = "+s);
}
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Flower x = new Flower();
x.printPetalCount();
}



Ïà¹ØÎĵµ£º

javaÅäÖû·¾³±äÁ¿

           unixϵͳ£º´ò¿ªshellÃüÁîÐÐ
                ÊäÈëvi _bash_profile ÐÞ¸Ä
                JA ......

CONSTµÄÏà¹Ø¼¸¸öÎÊÌâ½â´ð£¨cÓëc++£¬java£©

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 ......

javaÃæÊÔÌâ¼°´ð°¸£¨»ù´¡Ìâ122µÀ£¬´úÂëÌâ19µÀ£©

 JAVAÏà¹Ø»ù´¡ÖªÊ¶
1¡¢ÃæÏò¶ÔÏóµÄÌØÕ÷ÓÐÄÄЩ·½Ãæ
1.³éÏó£º
³éÏó¾ÍÊǺöÂÔÒ»¸öÖ÷ÌâÖÐÓ뵱ǰĿ±êÎ޹صÄÄÇЩ·½Ã棬ÒÔ±ã¸ü³ä·ÖµØ×¢ÒâÓ뵱ǰĿ±êÓйصķ½Ãæ¡£³éÏó²¢²»´òËãÁ˽âÈ«²¿ÎÊÌ⣬¶øÖ»ÊÇÑ¡ÔñÆäÖеÄÒ»²¿·Ö£¬ÔÝʱ²»Óò¿·Öϸ½Ú¡£³éÏó°üÀ¨Á½¸ö·½Ã棬һÊǹý³Ì³éÏ󣬶þÊÇÊý¾Ý³éÏó¡£
2.¼Ì³Ð£º
¼Ì
³ÐÊÇÒ»ÖÖÁª½áÀàµÄ²ã ......

java ÕÒ³ö4λÊýµÄËùÓÐÎüѪ¹íÊý×Ö

 /**
* ÕÒ³öËÄλÊýËùÓеÄÎüѪ¹íÊý×Ö
* ÎüѪ¹íÊý×Ö£ºÎ»ÊýΪżÊýµÄÊý×Ö¿ÉÒÔÓÉÒ»¶ÔÊý×ÖÏà³Ë¶øµÃ£¬Õâ¶ÔÊý×Ö°üº¬³Ë»ýÒ»°ëµÄλÊý
* È磺1260 = 21*60
*/
public class Vampire {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub

String s= ......

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);
}
/ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ