³õѧjava¸ÕдµÄ3¸öÊý±È½Ï´óС
import java.io.*;
class abc
{
public static void main(String [] args)
{
int a=0;
int b=0;
int c=0;
int max;
System.out.println("please enter info,input bye for exit:");
while(true)
{
try
{
BufferedReader data = new BufferedReader(new InputStreamReader(System.in));
a=Integer.parseInt(data.readLine());
b=Integer.parseInt(data.readLine());
c=Integer.parseInt(data.readLine());
}
catch(Exception e)
{
System.out.println(e.getMessage());
}
&nbs
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 ......
JavaÈÕ»ýÔÂÀÛ-1£ºJavaÖÐbooleanÀàÐ͵ÄλÔËËã
1. Ê×ÏȻعËÒ»ÏÂjavaÖеÄ8Öлù±¾ÀàÐͼ°Æä´æ´¢ËùÕ¼ÓõÄbitÊý¡£
ÀàÐÍ
bitÊý
byte
8
short
16
int
32
float
32
long
64
double
64
char
16
boolean
1
2. ÔٻعËÒ»ÏÂjavaµÄÔËËã·ûºÍÓÅÏȼ ......
Compiling with the Java Compiler API
µ÷ÓÃJava±àÒëÆ÷API±àÒëJava
´ÓµÚÒ»Ì쿪ʼ,±ê×¼Javaƽ̨¾ÍȱÉÙÄܹ»±»µ÷ÓÃ,È¥²úÉúJava×Ö½ÚÂëµÄ±àÒëÆ÷½Ó¿Ú. ʹÓÃSunʵÏֵį½Ì¨,Ò»¸öÓû§¿ÉÒÔͨ¹ý·Ç±ê×¼µÄ com.sun.tools.javac °üÖеÄMain class È¥±àÒëÄãµÄ´úÂë (Äã¿ÉÒÔÔÚlib×ÓĿ¼Ï嵀 tools.jar ÎļþÀïÕÒµ½Ëü). È»¶øÕâ¸ö° ......
¼¶±ð£º Öм¶
Àî Áè
, Èí¼þ¼Ü¹¹Ê¦, IBM
2009 Äê 12 ÔÂ 10 ÈÕ
Ëæ
×ŶàºË CPU µÄÈÕÒæÆÕ¼°£¬Ô½À´Ô½¶àµÄ Java
Ó¦ÓóÌÐòʹÓöàÏ̲߳¢ÐмÆËãÀ´³ä·Ö·¢»ÓÕû¸öϵͳµÄÐÔÄÜ¡£¶àÏ̵߳ÄʹÓÃÒ²¸øÓ¦ÓóÌÐò¿ª·¢ÈËÔ±´øÀ´Á˾޴óµÄÌôÕ½£¬²»ÕýÈ·µØÊ¹ÓöàÏ߳̿ÉÄÜÔì³ÉÏß³ÌËÀËø»ò×ÊÔ´¾º
Õù£¬µ¼ÖÂϵͳ̱»¾¡£Òò´Ë£¬ÐèÒªÒ»ÖÖÔËÐÐʱÏß³Ì¼à¿Ø¹¤ ......
1. ÄãÐèÒª¾«Í¨ÃæÏò¶ÔÏó·ÖÎöÓëÉè¼Æ(OOA/OOD)¡¢É漰ģʽ(GOF£¬J2EEDP)ÒÔ¼°×ÛºÏģʽ¡£ÄãÓ¦¸ÃÁ˽âUML£¬ÓÈÆäÊÇclass¡¢object¡¢interactionÒÔ¼°statediagrams¡£
2. ÄãÐèҪѧϰJavaÓïÑԵĻù´¡ÖªÊ¶ÒÔ¼°ËüµÄºËÐÄÀà¿â(collections¡¢serialization¡¢streams¡¢networking¡¢multithreading¡¢reflection¡¢event¡¢handling¡¢NIO¡¢localiza ......