java¶¯Ì¬µ÷ÓÃÀà
package tf;
public class TestPack {
public static void main(String [] args)
{
try
{
IAnimal cAnimal = new bird();
cAnimal.shout();
IAnimal animal =(IAnimal)java.lang.Class.forName("tf.bird").newInstance();
animal.shout();
}
catch (Exception e) {
// TODO: handle exception
}
}
}
//tf.bird ¼ÓÉϰüÃû
//bird.java
package tf;
public class bird implements IAnimal{
public void shout()
{
System.out.println("c c jiji ");
}
}
//IAnimal.java
package tf;
public interface IAnimal {
public void shout();
}
c c jiji
c c jiji
Ïà¹ØÎĵµ£º
package com.google.i_sales.service.data;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.uti ......
Inner classes, also called Nested Classes, are nothing but classes that are defined within other classes. The nesting is a relationship between classes, not objects.
Inner classes have clearly two benefits, name control & access control. In Java, this benefit is not as important because Java pa ......
¸Õ¿ªÊ¼Ñ§Ï°Java,Ò»Ö±Ïëѧµ«×ÜÊǼá³Ö²»ÏÂÀ´,»Øµ½¼Ò¾ÍÏë×ÅÍæÓÎÏ·,¿´À´ÊÇҪϾöÐÄÁË,2010ÄêÒªºÃºÃѧϰJavaÁË.
ÕâÊÇÔÚÍøÉÏ¿´µ½µÄÁ½¸öСÀý×Ó,×Ô¼ºÒ²×öÁËÒ»±é.
1.
try
{
FileInputStream in=new FileInputStream("C:/1.txt");
FileOutput ......
AntÓ÷¨——Õª×Ô¡¶ÇáÁ¿¼¶Java EEÆóÒµÓ¦ÓÃʵս¡·
1.6 AntµÄ°²×°ºÍʹÓÃ
AntÊÇÒ»ÖÖ»ùÓÚJavaµÄÉú³É¹¤¾ß
¡£´Ó×÷ÓÃÉÏÀ´¿´£¬ËüÓÐЩÀàËÆÓÚC±à³Ì£¨Unixƽ̨ÉÏʹÓý϶ࣩÖеÄMake¹¤¾ß£¬C/C++ÏîÄ¿
¾³£Ê¹ÓÃMake¹¤¾ßÀ´¹ÜÀíÕû¸öÏîÄ¿µÄ±àÒë¡¢Éú³É¡£
MakeʹÓÃShellÃüÁîÀ´¶¨Òå
Éú³ÉÈÎÎñ£¬²¢¶¨ÒåÈÎÎñÖ®¼äµÄÒÀÀµ¹ØÏµ£¬ÒÔ±ãË ......