JavaÖеÄö¾ÙÀàÐÍ£¬enum
public class MyEnumTestMain {
public enum MyenumTest{red,blue,green,black}//¶¨Òåö¾ÙÀàÐÍ
public static void main(String[] args) {
MyenumTest mt = MyenumTest.red;//redÏ൱ÓÚö¾ÙµÄ¾²Ì¬ÊôÐÔ
switch(mt){
case red:
System.out.println("red");
break;
case blue:
System.out.println("blue");
break;
default:
System.out.println("ÆäËû");
}
}
}
Ïà¹ØÎĵµ£º
package Pack;
import java.text.*;
import java.util.*;
import java.text.DecimalFormat;
import java.util.*;
public class Test {
/**
* @param args
*/
public static void main(String args[]) {
yuesef(50,3);
}
public static void yuesef(int n, int m) {
ArrayList<Integer ......
×î½üÒ»¶Îʱ¼ä¶Ôjava¸ÐÉÏÁËÐËȤ£¬ÒòΪ½èÁËÒ»±¾¡¶Thinking in java¡·£¬Ò»Ö±Ã»Ê±¼ä¿´£¬¿ìµ½»¹ÊéµÄʱºòÁË£¬Êé×ܲ»Äܰ׽è°É¡£¿´ÁËÁ½Ì죬´ó¸ÅÊÇɨÁË100¶àÒ³°É¡£×¼±¸±àдµÚÒ»¸öjava³ÌÐò¡£
´ÓÍøÉϲé×ÊÁÏ£¬ÐèÒªJDK£¬ÓÚÊÇÏÂÔØ£¬°²×°¡£¾ßÌåÉèÖÃÈçÏ£º
µÚ ......
package¡¢import
µÄÏà¹ØÎÊÌâÊÇjavaÖеÄÒ»¸ö²»´ó²»Ð¡µÄÎÊÌ⣬µ«classpathÎÊÌâÈ´ÊÇjavaµÄÒ»¸öÖøÃûµÄÄÑÌâ¡£½ñÍíµÃÏÐÑо¿ÁËһϣ¬ÔÚÕâÀォÎÒµÄÑо¿³É¹û¸ú¸÷λ
ÅóÓÑ·ÖÏíһϡ£ÓÉÓÚͬ°üµÄÇé¿öºÜ¼òµ¥£¬ËùÒÔÕâÀï¾Í²»ÌÖÂÛͬ°üÇé¿ö£¬Ö»ÌÖÂÛ²»Í¬°üºÍ²»Í¬Â·¾¶µÄÇé¿ö¡£ÎªÁËÄÜÈöÁÕ߸üÈÝÒ×Àí½â£¬ÎÒÕâÀïÒÔ¾ÙÀýµÄ·½Ê½À´ËµÃ÷ÎÊ
Ìâ¡£
¡ ......
<!--
@page { margin: 0.79in }
P { margin-bottom: 0.08in }
-->
JavaÖеÄ
io
ÎÒ¶ÔÁ÷µÄÀí½âÊÇ£ºÔ´µ½Ä¿µÄµØµÄ¹ì¼££¬ËùÒÔÁ÷µÄÒ»¶ËÊÇÊý¾ÝÔ´£¨ÊäÈëÁ÷£©»òÕß½ÓÊÕÆ÷£¨Êä³öÁ÷£©£¬ÁíÒ»¶ËÊÇ
ioÖеÄij¸öÀࣻÕâÀï˵Ã÷Ï£¬
Scanne ......
1. Multiply-Thread
Locks offer two primary features: mutual exclusion and visibility. Mutual exclusion means only one thread at a time may hold a given lock, so only one thread at a time will be using the shared data. Visibility is to ensure that changes made to shared data prior to releasing a lo ......