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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»·µÄÍâÃ棬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“