public class Person {
private String lastName;
private String firstName;
private int age;
public Person(String last,String first,int a) {
lastName=last;
firstName=first;
age=a;
}
public void displayPerson() {
System.out.print("last name:"+lastName);
System.out.print(",first name"+firstName);
System.out.println(",age:"+age);
}
public String getLast() {
return lastName;
}
}
public class ClassDataArray {
private Person[] a;
private int nElems;
public ClassDataArray(int max) {
a=new Person[max];
nElems=0;
}
//查找(根据姓查找)
public Person find(String searchName) {
int j;
for(j=0;j<nElems;j++)
if(a[j].getLast().equals(searchName))
break;
if(j==nElems)
return null;
else
return a[j];
}
public void insert(String last,String first,int age) {
a[nElems++]=new Person(last, first, age);
}
//按姓删除
public boolean delete(String searchName) {
int j;
for(j=0;j<nElems;j++)
if(a[j].getLast().equals(searchName))
break;
if(j==nElems)
return false;
else
for(int k=j;k<nElems;k++)
a[k]=a[k+1];
nElems--;
return true;
}
public void displayA() {
for(int j=0;j<nElems;j++)
a[j].displayPerson();
}
}
public class Test {
public static void main(String[] args) {
int maxSize=100;
ClassDataArray array=new ClassDataArray(maxSize);
array.insert("Evans", "Patty", 24);
array.insert("Smith", "Lorraine", 37);
array.insert("Yee", "Tom", 43);
array.insert("Adams", "Henry", 63);
array.insert("Hashimoto", "Sato", 21);
array.insert("Stimson", "Henry", 29);
array.insert("xiao", "ming", 72);
array.insert("huang", "rong",54 );
array.insert("liu", "qian", 22);
array.displayA();
Person found=array.find("huang");
if(found!=null) {
System.out.println("找到了");
found.displayPerson();
}else
System.out.println("没有找到");
array.delete("huang");
array.delete("liu");
array.displayA();
}
}
