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void GetMemory(char **p, int num)
{
  *p = (char *)malloc(sizeof(char) * num);
}
char* GetMemory2(int num)
{
  char* p = (char *)malloc(sizeof(char) * num);
  return p;
}
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1)ÔËÐÐʱ¿â¾ÍÊÇ C run-time library£¬ÊÇ C ¶ø·Ç C++ ÓïÑÔÊÀ½çµÄ¸ÅÄî:È¡Õâ¸öÃû×Ö¾ÍÊÇÒòΪÄãµÄ C ³ÌÐòÔËÐÐʱÐèÒªÕâЩ¿âÖеĺ¯Êý.
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package com.myapp.beans;
 
public class Student {
 
       private String sno;
 
       private String sname;
 
       private Integer sage;
 
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