JavaÖеÄÅÅÐò±È½Ï·½Ê½£º×ÔÈ»ÅÅÐòºÍ±È½ÏÆ÷ÅÅÐò
¡¡¡¡ÕâÀïËù˵µ½µÄJavaÖеÄÅÅÐò²¢²»ÊÇÖ¸²åÈëÅÅÐò¡¢Ï£¶ûÅÅÐò¡¢¹é²¢ÅÅÐòµÈ¾ßÌåµÄÅÅÐòËã·¨¡£¶øÊÇÖ¸Ö´ÐÐÕâЩÅÅÐòË㷨ʱ£¬±È½ÏÁ½¸ö¶ÔÏó“´óС”µÄ±È½Ï²Ù×÷¡£ÎÒÃǺÜÈÝÒ×Àí½âÕûÐ굀 i>j ÕâÑùµÄ±È½Ï·½Ê½£¬µ«µ±ÎÒÃǶԶà¸ö¶ÔÏó½øÐÐÅÅÐòʱ£¬ÈçºÎ±È½ÏÁ½¸ö¶ÔÏóµÄ“´óС”ÄØ£¿ÕâÑùµÄ±È½Ï stu1 > stu2 ÏÔÈ»ÊDz»¿ÉÄÜͨ¹ý±àÒëµÄ¡£ÎªÁ˽â¾öÈçºÎ±È½ÏÁ½¸ö¶ÔÏó´óСµÄÎÊÌ⣬JDKÌṩÁËÁ½¸ö½Ó¿Ú java.lang.Comparable ºÍ java.util.Comparator ¡£
Ò»¡¢×ÔÈ»ÅÅÐò£ºjava.lang.Comparable
¡¡¡¡Comparable ½Ó¿ÚÖÐÖ»ÌṩÁËÒ»¸ö·½·¨£º compareTo(Object obj) £¬¸Ã·½·¨µÄ·µ»ØÖµÊÇ int ¡£Èç¹û·µ»ØÖµÎªÕýÊý£¬Ôò±íʾµ±Ç°¶ÔÏó(µ÷Óø÷½·¨µÄ¶ÔÏó)±È obj ¶ÔÏó“´ó”£»·´Ö®“С”£»Èç¹ûΪÁãµÄ»°£¬Ôò±íʾÁ½¶ÔÏóÏàµÈ¡£ÏÂÃæÊÇÒ»¸öʵÏÖÁË Comparable ½Ó¿ÚµÄ Student Àࣺ
public class Student implements Comparable {
private int id;
private String name;
public Student() {
super();
}
@Override
public int compareTo(Object obj) {
if (obj instanceof Student) {
Student stu = (Student) obj;
return id - stu.id;
}
return 0;
}
@Override
public String toString() {
return "<" + id + ", " + name + ">";
}
}
¡¡¡¡Student ʵÏÖÁË×ÔÈ»ÅÅÐò½Ó¿Ú Comparable £¬ÄÇôÎÒÃÇÊÇÔõôÀûÓÃÕâ¸ö½Ó¿Ú¶ÔÒ»×é Student ¶ÔÏó½øÐÐÅÅÐòµÄÄØ£¿ÎÒÃÇÔÚѧϰÊý×éµÄʱºò£¬Ê¹ÓÃÁËÒ»¸öÀàÀ´¸øÕûÐÍÊý×éÅÅÐò£º java.util.Arrays ¡£ÎÒÃÇʹÓà Arrays µÄ sort ·½·¨À´¸øÕûÐÍÊý×éÅÅÐò¡£·· API Îĵµ¾Í»á·¢ÏÖ£¬ Arrays Àï¸ø³öÁË sort ·½·¨ºÜ¶àÖØÔØÐÎʽ£¬ÆäÖоͰüÀ¨ sort(Object[] obj) £¬Ò²¾ÍÊÇ˵ Arryas Ò²ÄܶԶÔÏóÊý×é½øÐÐÅÅÐò£¬ÅÅÐò¹ý³ÌÖбȽÏÁ½¸ö¶ÔÏó“´óС”ʱʹÓõľÍÊÇ Comparable ½Ó¿ÚµÄ compareTo ·½·¨¡£
public class CompareTest {
public static void main(String[] args) {
Student stu1 = new Student(1, "Little");
Student stu2 = new Student(2, "Cyntin");
Student stu3 = new Student(3, "Tony");
Student stu4 = new Student(4, "Gemini");
Student[] stus = new Student[4];
stus[0] = stu1;
stus[1] =
Ïà¹ØÎĵµ£º
ÎÒÓÐÒ»ÍòԪǮ£¬ÊǽèµÄ£¡ÎÒ½èÁËÕâÒ»Íò¿éÇ®×¼±¸È¥±±¾©¼ÌÐøÑ§Ï°¡£
ÎÒÊÇÒ»¸ö´óרÉú£¬²»ÈëÁ÷ÎÒѧУ£¡ËäÈ»ÎÒÏàÐÅÒ»¸öÈ˵ÄŬÁ¦ÄܸıäÃüÔË£¡ËùÒÔÎÒÒ»Ö±¶¼ÔÚŬÁ¦µÄѧϰJAVA¼¼Êõ£¬Ï£ÍûÄÜÔÚÕâÌõ·ÉÏ×ߵĸüÔ¶£¡ÎÒÓÐÅ®ÅóÓÑ£¬¶ÔÎҺܺã¬Ò²ºÜÖ§³ÖÎÒ£¡µ«ÎÒ´Ó¸ñÁ¦¿Õµ÷´ÇÖ°£¬ÎÒ¾ÍÑ¡ÔñÁËJA ......
2. ²»Òª×öÖØ¸´µÄ¹¤×÷¡£
ʹÓó£¼ûµÄ¡¢¾¹ý֤ʵµÄ¿ò¼Ü£¬Èç Apache Struts¡¢JavaServer Faces ºÍ Eclipse RCP¡£Ê¹Óþ¹ý֤ʵµÄģʽ¡£
»Øµ½ÎÒÃÇ¿ªÊ¼°ïÖú¿Í»§Ê¹ÓøճöÏÖµÄ Java EE ±ê×¼µÄʱºò£¬ÎÒÃÇ·¢ÏÖ£¨ºÍÐí¶àÆäËûÈËÒ»Ñù£©£¬Í¨¹ýÖ±½ÓʹÓûù´¡µÄ Servlet ºÍ JSP ¹æ·¶¹¹½¨ UI Ó¦ÓóÌÐòÀ´¿ª·¢Óû§½Ó¿Ú¿ª·¢¿ò¼Ü£¬¿ÉÒÔ¼«´óµØÌḠ......
CEFinderÊÇCKEditorµÄÎļþä¯ÀÀÆ÷¡£Ä¿Ç°»¹Ã»Óиø³öjava°æ±¾¡£¶ÔÓÚÄÇЩ»ÃÏë½öͨ¹ý¸Ä¼¸¸öurl¾Í¿ÉÒÔʹÓÃFCKEditorµÄjava°æµÄÅóÓÑ£¬ÎÒÖ»ÄÜ˵£¬ÇåÐÑһϰɅ…=¡£=
ÔÒòÈçÏ£º
FCKEditorµÄjava°æÍ¨¹ýcommand²ÎÊýÈ·¶¨ÇëÇóÖ¸Á
getÌá½»·½Ê½¿ÉÄܳöÏÖµÄÃüÁî:
&n ......
Debug͸ÊÓͼ
http://www.cnblogs.com/Jamesliang/archive/2010/01/09/1643188.html
µ±µã»÷Debug°´Å¥Ê±£¬Eclipse»áÌáʾÄã½øÈë Debug͸ÊÓͼ¡£¿ÉÒÔÔÚÓÒÉÏ·½Expressions´°¿Úµã»÷Êó±êÓÒ¼üÔÚµ¯³ö²Ëµ¥ÖÐÑ¡Ôñ Add Watch Expression »òÕßµã»÷ÈçÏÂͼËùʾ°´Å¥Ôò»á³öÏÖ£¬Ìí¼Ó±í´ïʽ´°¿Ú¡£Äã¿ÉÒÔÊäÈëÄã ......