javaÖеÄtoString() ·½·¨£¨¶à¿´±¾ÎĵÄÀý×Ó£¡£©
toString() ·½·¨£º
toString()·½·¨ÔÚObjectÀàÖж¨Ò壬Æä·µ»ØÖµÊÇStringÀàÐÍ£¬ÃèÊöµ±Ç°¶ÔÏóµÄÓйØÐÅÏ¢
ÔÚ½øÐÐStringÓëÆäËüÀàÐÍÊý¾ÝµÄÁ¬½Ó²Ù×÷ʱ£¬×Ô¶¯µ÷ÓÃtoString()·½·¨
¿ÉÒÔ¸ù¾ÝÐèÒªÔÚÓû§×Ô¶¨ÒåÀàÐÍÖÐÖØÐ´toString()·½·¨
»ù±¾ÀàÐÍÊý¾Ýת»»ÎªStringÀàÐÍʱ£¬µ÷ÓÃÁ˶ÔÓ¦·â×°ÀàµÄtoString()·½·¨
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
{
 
Ïà¹ØÎĵµ£º
create PROCEDURE pagelist
@tablename nvarchar(50),
@fieldname nvarchar(50)='*',
@pagesize int output,--ÿҳÏÔʾ¼Ç¼ÌõÊý
@currentpage int output,--µÚ¼¸Ò³
@orderid nvarchar(50),--Ö÷¼üÅÅÐò
@sort int,--ÅÅÐò·½Ê½£¬1±íʾÉýÐò£¬0±íʾ½µÐòÅÅÁÐ
......
Java NIO APIÏê½â
ÔÚJDK
1.4ÒÔǰ£¬JavaµÄIO²Ù×÷¼¯ÖÐÔÚjava.ioÕâ¸ö°üÖУ¬ÊÇ»ùÓÚÁ÷µÄ×èÈû£¨blocking£©API¡£¶ÔÓÚ´ó¶àÊýÓ¦ÓÃÀ´Ëµ£¬ÕâÑùµÄAPIʹÓúܷ½
±ã£¬È»¶ø£¬Ò»Ð©¶ÔÐÔÄÜÒªÇó½Ï¸ßµÄÓ¦Óã¬ÓÈÆäÊÇ·þÎñ¶ËÓ¦Óã¬ÍùÍùÐèÒªÒ»¸ö¸üΪÓÐЧµÄ·½Ê½À´´¦ÀíIO¡£´ÓJDK 1.4Æð£¬NIO
API×÷Ϊһ¸ö»ùÓÚ»º³åÇø£¬²¢ÄÜÌṩ·Ç×èÈû(non-blo ......
×Ô java ƽ̨´Ó 1995 Äê×÷Ϊһ¸öÕûÌåÒýÈë±à³ÌÉçÇø¿ªÊ¼£¬ËüµÄ·¢Õ¹ÒѾԶԶ³¬³öÁËÔçÆÚ java ר¼ÒºÍÍÆ½éÕßËùÉèÏëµÄ“applet ÎÞ´¦²»ÔÚ”ÕâÒ»Ô¶¾°¡£Ïà·´£¬java ÊÀ½ç³öÏÖÁË Swing¡¢Óë servlet ½áºÏ£¬´Ó¶ø·¢Õ¹Îª J2EE¡¢³öÏÖÁË EJB¡¢³¬Ô½ÁË Spring ºÍ Hibernate¡¢Ìí¼ÓÁË·ºÐÍ£¬±äµÃÔ½À´Ô½¾ßÓж¯Ì¬ÐÔ£¬È»ºóʵÏÖÁ˺¯Êý»¯£¬ÔÚ ......
FacesContext context = FacesContext.getCurrentInstance();
HttpServletRequest request = (HttpServletRequest) context.getExternalContext().getRequest();
String parameterValue = request.g ......
2009Äê7ÔÂÎҲμÓÁËÒ»¸öJAVAרҵ»ú¹¹µÄÅàѵ£¬Ö®ËùÒԲμÓÕâ¸öÅàѵ£¬ÎÒÊÇΪÁ˽øÒ»²½ÌáÉý×Ô¼ºµÄ¼¼Êõ£¬ÁíÒ»·½ÃæÎÒÒ²±È½Ïϲ»¶JAVA£¬Ï£ÍûËüÄܳÆÎªÎҵļ¼ÊõÖ÷Á¦¡£×ªÑÛ£¬Åàѵ¾Í¿ì½áÊøÁË£¬ÐÄÖиÐÎòÁ¼¶à£¬Ï£ÍûÓë¾ý¹²Ãã¡£
ÎÒËù²Î¼ÓµÄÅàѵ»ú¹¹Ö»ÓÐÒ»¸öÀÏʦ£¬²»ÏñºÜ¶àµØ·½ÓкöàµÄÀÏʦ£¬Ã¿Ììÿһ½Ú¿Î¶¼ÊÇËûÀ´¸ ......