Java»ù´¡——javaµÄÒýÓÃÎÊÌâ
1.
public class EasyError1 {
class Student {
private String name;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
public List<Student> getList(List<String> names){
List<Student> studentList=new ArrayList<Student>();
Student student=new Student();
for(String str:names){
student.setName(str);
studentList.add(student);
}
return studentList;
}
public static void main(String[] args) {
EasyError1 easyError1=new EasyError1();
List<String> list=new ArrayList<String>();
list.add("pitt");
list.add("tom");
list.add("weiling");
List<Student> studentList= easyError1.getList(list);
for(Student student:studentList){
System.out.println(student.getName());
}
}
}
/******************************************************
* the results in console:
* weiling
* weiling
* weiling
*ÒòΪStudent student=new Student();дÔÚÁËÑ»·µÄÍâÃæ£¬ÔÚÑ»·Àïÿ´Î¶¼°ÑÃû×Ö·ÅÔÚÁËÒ»¿é¶ÑÄÚ´æÀ²¢°ÑÒýÓÃ
*´æ·ÅÔÚÁËlistÖУ¬Ö»ÊÇÒ»¸öÒýÓ㬶ø²»ÊÇÈý¸ö²»Í¬µÄÒýÓôæ·ÅÔÚlistÖУ¬×îºó£¬Õâ¸öÒýÓÃÖ»ÏëÏòÁË“
Ïà¹ØÎĵµ£º
UnsupportedClassVersionError
¡¡¡¡²»Ö§³ÖµÄÀà°æ±¾´íÎó¡£µ±JavaÐéÄâ»úÊÔͼ´Ó¶Áȡij¸öÀàÎļþ£¬µ«ÊÇ·¢ÏÖ¸ÃÎļþµÄÖ÷¡¢´Î°æ±¾ºÅ²»±»µ±Ç°JavaÐéÄâ»úÖ§³ÖµÄʱºò£¬Å׳ö¸Ã´íÎó¡£
¡¡¡¡java.lang.VerifyError
¡¡¡¡ÑéÖ¤´íÎó¡£µ±ÑéÖ¤Æ÷¼ì²âµ½Ä³¸öÀàÎļþÖдæÔÚÄÚ²¿²»¼æÈÝ»òÕß°²È«ÎÊÌâʱÅ׳ö¸Ã´íÎó¡£
¡¡¡¡java.lang.VirtualMachineErr ......
1¡¢Java²ÉÓÃUnicode×Ö·û¼¯£¬Ôö¼ÓÁ˶ԷÇÀ¶¡ÓïϵµÄÖ§³Ö£¬Ò»¸öºº×Ö¿ÉÒÔÖ±½Ó×÷Ϊһ¸ö×Ö·û³£Á¿½øÐи³Öµ¶øÔÚC++ÖбØÐë×öΪ×Ö·û´®´¦Àí
char chTemp = 'ÎÒ';
System.out.println(chTemp);
Java×Ö·ûÊÇÒ»¸ö16ΪµÄÎÞ·ûºÅÕûÊý£¬C++ÖÐΪ8λ
2. Java±êʶ·û¿ÉÒÔÒÔÃÀÔª·û$¿ªÍ·£¬¿Éº¬ÓÐËùÓÐÊ®Áù½øÖÆÖµ´óÓÚ0xc0µ ......
1.Proxy
ģʽ
´úÀíģʽ֧³Ö½«Ä³Ð©²Ù×÷´Óʵ¼ÊµÄ¶ÔÏóÖзÖÀë³öÀ´£¬Í¨¹ýËüµÄ´úÀíÀàÌṩ´¦Àí¡£ÕâÑù±ãÓÚÐ޸ĺ͹ÜÀíÕâÐ©ÌØ¶¨µÄ²Ù×÷¡£
ÏÂÃæÊ¾ÀýÒ»¸ö´úÀíģʽµÄʵÏÖ¡£
<<interface>>Subject.java
package
com.zj.proxy;
public
interface
Subject {
void
operation1();
......
JAVA¿ÉÒÔ˵ÊÇ´ÓC++·¢Õ¹ÆðÀ´µÄÍêÈ«ÃæÏò¶ÔÏóµÄ¿ª·¢ÓïÑÔ,Á½ÕßµÄʵÖÊÇø±ðÊÇÀûÒæ·ÖÊô²»Í¬µÄ¹«Ë¾:SUNºÍ΢Èí.¶Ô´Ë΢Èí·¢²¼ÁË.NETÓëÖ®¿¹ºâ.
´Ó×îеÄVisual Studio .NET 2005¿´,.NETÖ÷ÒªÊÇ4ÖÖÓïÑÔ:VB.NET, C#, C++.NET, J#.
VB.NET¿ÉÒÔ˵ÊÇVB6µÄÉý¼¶,µ«ÎÒÈÏΪVB.NETºÍC#ÒѾÊÇÍêȫȫеÄÓïÑÔÁË,Á½ÕßµÄÄ¿µÄ¶¼ÊÇÒª´ò°ÜJAVAÕâ¸ö¾ºÕù¶ ......