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package com.captain.test;
public class ArrayTest {
public static void main(String[] args){
//н¨Ò»¸ö¶ÔÏó£¨OneNum£©Êý×飨¸³ÖµÎª5¡¢3¡¢4£©
OneNum[] ac = {new OneNum(5),new OneNum(3),new OneNum(4)};
//н¨Ò»¸öÓëacͬ³¤¶ÈµÄ¶ÔÏó£¨OneNum£©Êý×é
OneNum[] newac = new OneNum[ac.length];
//½«acÖеĶÔÏ󸶸øÐÂÊý×éÖУ¨newac£©
for (int i = 0;i<ac.length;i++){
newac[i] = ac[i];
System.out.print(ac[i].value+";");
}
System.out.println();
//½«ÐÂÊý×éµÄµÚÒ»¸öÔªËØµÄÖµ¸ÄΪ10
newac[0].value = 10;
//ÏÔʾÔÊý×飨ac£©µÄµÚÒ»¸öÔªËØµÄÖµ
System.out.print(ac[0].value);
}
}
class OneNum {
public int value;
public OneNum(int i) {
this.value = i;
}
}
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5;3;4;
10
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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 ......
RMI (Remote Method Invocation£¬Ô¶³Ì·½·¨µ÷ÓÃ)ÈçºÎÓÃÓÚ³ÌÐò¼äͨѶ£¬ÁíÒ»¸öÓÃÓÚͨѶµÄ¼¼ÊõÊÇRuntime.exec() ·½·¨¡£Äã¿ÉÒÔÓÃÕâ¸ö·½·¨´ÓÒ»¸öÔËÐа¢java³ÌÐòÖе÷ÓÃÁíÒ»¸ö³ÌÐò¡£Runtime.exec Ò²ÔÊÐíÄãÖ´ÐкͳÌÐòÏà¹ØµÄ²Ù×÷£¬ÀýÈç¿ØÖÆ³ÌÐòµÄ±ê×¼ÊäÈëÊä³ö£¬µÈ´ý³ÌÐòµÄ½áÊø²¢µÃµ½ËüµÄÍ˳ö״̬¡£ÏÂÃæÊÇÒ»¸ ......
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