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¶ÔÓںϳÉÓë¼Ì³ÐÕâÁ½ÖÖ·½·¨£¬´ó¶àÊýÓï·¨ºÍÐÐΪ¶¼ÊÇÀàËƵģ¨ÒòΪËüÃǶ¼Òª¸ù¾ÝÏÖÓеÄÀàÐÍÉú³ÉÐÂÀàÐÍ£©¡£ÔÚ±¾Õ£¬ÎÒÃǽ«ÉîÈëѧϰÕâЩ´úÂëÔÙÉú»òÕßÖظ´Ê¹ÓõĻúÖÆ¡£
6.1 ºÏ³ÉµÄÓï·¨
¾ÍÒÔÇ°µÄѧϰÇé¿öÀ´¿´£¬ÊÂʵÉÏÒѽøÐÐÁ˶à´Î¡°ºÏ³É¡±²Ù×÷¡£Îª½øÐкϳɣ¬ÎÒÃÇÖ»ÐèÔÚÐÂÀàÀï¼òµ¥µØÖÃÈë¶ÔÏó¾ä±ú¼´¿É¡£¾Ù¸öÀý×ÓÀ´Ëµ£¬¼Ù¶¨ÐèÒªÔÚÒ»¸ö¶ÔÏóÀïÈÝÄɼ¸¸öString¶ÔÏó¡¢Á½ÖÖ»ù±¾Êý¾ÝÀàÐÍÒÔ¼°ÊôÓÚÁíÒ»¸öÀàµÄÒ»¸ö¶ÔÏ󡣶ÔÓÚ·Ç»ù±¾ÀàÐ͵ĶÔÏóÀ´Ëµ£¬Ö»Ð轫¾ä±úÖÃÓÚÐÂÀ༴¿É£»¶ø¶ÔÓÚ»ù±¾Êý¾ÝÀàÐÍÀ´Ëµ£¬ÔòÐèÔÚ×Ô¼ºµÄÀàÖж¨ÒåËüÃÇ¡£ÈçÏÂËùʾ£¨ÈôÖ´ÐиóÌÐòʱÓÐÂé·³£¬Çë²Î¼ûµÚ3ÕÂ3.1.2С½Ú¡°¸³Öµ¡±£©£º //: SprinklerSystem.java
// Composition for code reuse
package c06;
class WaterSource {
private String s;
WaterSource() {
System.out.println("WaterSource()");
s = new String("Constructed");
}
public String toString() { return s; }
}
public class SprinklerSystem {
private String valve1, valve2, valve3, valve


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public class Test
{
public static void main(String[] args)
{
int a = 5;
System.out.println("ddsadasa" + (a > 5 ? 9.0 : 9));
}

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package sort;

import java.util.Random;

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