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
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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 ......
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package com.captain.test;
public class ArrayTest {
public static void main(String[] args){
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OneNum[] ac = {new OneNum(5),new OneNum(3),new OneNum(4)};
//н¨Ò»¸öÓëacͬ³¤¶ÈµÄ¶ÔÏó£¨OneNum£©Êý×é
OneNum[] n ......