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//Ô´´úÂ룺
class A {
public String show(D obj){
return ("A and D");
}
public String show(A obj){
return ("A and A");
}
public String show(C obj){
return ("A and C");
}
}
class B extends A{
public String show(B obj){
return ("B and B");
}
public String show(A obj){
return ("B and A");
}
public String show(C obj){
return ("B and C");
}
}
class C extends B{}
class D extends B{}
class Test{
public static void main(String[] args){
A a1 = new A();
A a2 = new B();
B b = new B();
C c = new C();
D d = new D();
System.out.println(a1.show(b)); &nb
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1.PaginationTable.java
package com.sinoest.train.common;
import java.util.List;
/**
* ·ÖÒ³±í
* @author ÀîÒ×烜-ÐÞ¸Ä
* 2009-6-17
*/
public class PaginationTable {
private List<?> entryList;//> Êý¾Ý
private int totalNumOfRows;// ×ÜÐÐÊý
private int rowsPerPage = 10;// ......
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String str1="hello";//´´½¨Ò»¸ö¶ÔÏóhello£¬²»»á±ä£»
System.out.println(str1);
str1+=" world!";//Á½¸ö×Ö·û´®¶ÔÏóÕ³Õ³£¬ÏµÍ³Æäʵ´´½¨ÁËÒ»¸öеĶÔÏ󣬰ÑStr1µÄÖ¸Ïò¸ÄÁË£¬Ö¸ÏòеĶÔÏó£»hello¾Í & ......
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static int MAX_VALUE£º·µ»Ø×î´óµÄÕûÐÍÊý£»
static int MIN_VALUE£º·µ»Ø×îСµÄÕûÐÍÊý£»
static Class TYPE £º·µ»Øµ±Ç°ÀàÐÍ¡£
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System.out.println("Integer.MAX_VALUE: " + Integer.MAX_VALUE );
½á¹ûΪ£ºInteger.MAX_VALUE: 2147483647
&nb ......