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public class Person {
private String name;
private int age;
private char sex;
public Person()
{
}
public Person(String name,int age, char sex)
{
this.name = name;
this.age = age;
this.sex = sex;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public char getSex() {
return sex;
}
public void setSex(char sex) {
this.sex = sex;
}
public boolean equals(Object obj)
{
if(obj==null)
{
return false;
}
if(obj==this)//´«µÝ½øÀ´µÄ²ÎÊýÊÇ·ñµÈÓÚ±¾¶ÔÏó
{
 
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ĬÈϹ¹Ô캯Êý£ºÃ»ÓÐÐβÎûÓз½·¨Ì壡È磺public Person() {}
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package com.beckham;
/*
* ¶¨ÒåÒ»¸ö½Ó¿Ú
*/
public interface Move {
public void move() ;
}
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package com.beckham;
/*
* ×î³õµÄ½Ó¿ÚʵÏÖ
*/
public class Tank implements Move {
public void move() {
System.out.println("̹¿Ë¿ª¶¯.......");
}
}
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standard edition±ê×¼°æ
enterprise ['entəpraiz] n. ÆóÒµ
bytecode n.×Ö½ÚÂ룬×Ö½Ú´úÂë
verifier n. ¼ìÑé»ú
modifier [‘mɔdifaiə] n.ÐÞÊÎÓï
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class yiwei
{
public static void main(String [] args)
{
int i = -4;
int c = i>>>1;
System.out.println(c);
......