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import java.util.Random;
/**
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 * 2.½»»»ÅÅÐò£¨Ã°ÅÝÅÝÅÅÐò¡¢¿ìËÙÅÅÐò£©£»
 * 3.Ñ¡ÔñÅÅÐò£¨Ö±½ÓÑ¡ÔñÅÅÐò¡¢¶ÑÅÅÐò£©£»
 * 4.¹é²¢ÅÅÐò£»
 * 5.»ùÊýÅÅÐò¡£
 *
 * ¹ØÓÚÅÅÐò·½·¨µÄÑ¡Ôñ£º
 * (1)Èôn½ÏС(Èçn≤50)£¬¿É²ÉÓÃÖ±½Ó²åÈë»òÖ±½ÓÑ¡ÔñÅÅÐò¡£
 * ¡¡µ±¼Ç¼¹æÄ£½ÏСʱ£¬Ö±½Ó²åÈëÅÅÐò½ÏºÃ£»·ñÔòÒòΪֱ½ÓÑ¡ÔñÒÆ¶¯µÄ¼Ç¼ÊýÉÙÓÚÖ±½Ó²åÈË£¬Ó¦Ñ¡Ö±½ÓÑ¡ÔñÅÅÐòΪÒË¡£
 * (2)ÈôÎļþ³õʼ״̬»ù±¾ÓÐÐò(Ö¸ÕýÐò)£¬ÔòӦѡÓÃÖ±½Ó²åÈË¡¢Ã°ÅÝ»òËæ»úµÄ¿ìËÙÅÅÐòΪÒË£»
 * (3)Èôn½Ï´ó£¬ÔòÓ¦²ÉÓÃʱ¼ä¸´ÔÓ¶ÈΪO(nlgn)µÄÅÅÐò·½·¨£º¿ìËÙÅÅÐò¡¢¶ÑÅÅÐò»ò¹é²¢ÅÅÐò¡£
 *
 */
public class SortTest {
       /**
        * ³õʼ»¯²âÊÔÊý×éµÄ·½·¨
        * @return Ò»¸ö³õʼ»¯ºÃµÄÊý×é
        */
       public int[] createArray() {
              Random random = new Random();
              int[] array = new int[10];
              for (int i = 0; i < 10; i++) {
                     array[i] = random.nextInt(100) - random.nextInt(100);//Éú³ÉÁ½¸öËæ»úÊýÏà¼õ£¬±£Ö¤Éú³ÉµÄÊýÖÐÓиºÊý
              }
              System.out.println("==========ԭʼÐòÁÐ==========");
              printArray(array);
              return array;
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Java 5.0 ·ºÐÍÖ® ͨ¹ý·ºÐÍ·½·¨·µ»Ø·ºÐÍÀàÐÍ

package Demo;
// ͨ¹ý·ºÐÍ·½·¨·µ»Ø·ºÐÍÀàÐÍ
class Info27<T extends Number> { // Ö¸¶¨ÉÏÏÞ£¬Ö»ÄÜÊÇÊý×ÖÀàÐÍ
private T var; // ´ËÀàÐÍÓÉÍⲿ¾ö¶¨
public T getVar() {
return this.var;
}
public void setVar(T var) {
this.var = var;
}
public String toString() { // ¸²Ð´ObjectÀàÖеÄtoStr ......

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Java 5.0 ·ºÐÍÖ® Java·ºÐͽӿÚ

package Demo;
// Java·ºÐͽӿÚ
interface Info24<T> { // ÔÚ½Ó¿ÚÉ϶¨Òå·ºÐÍ
public T getVar(); // ¶¨Òå³éÏó·½·¨£¬³éÏó·½·¨µÄ·µ»ØÖµ¾ÍÊÇ·ºÐÍÀàÐÍ
}
class InfoImp24<T> implements Info24<T> { // ¶¨Òå·ºÐͽӿڵÄ×ÓÀà
private T var; // ¶¨ÒåÊôÐÔ
public InfoImp24(T var) { // ͨ¹ý¹¹Ôì·½·¨É ......

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