public class Student {
String[] names = new String[30];
public void addName(String name) {
for (int i = 0; i < names.length; i++) {
if (names[i] == null) {
names[i] = name;
break;
}
}
}
public void showName() {
for (int i = 0; i < names.length; i++) {
if (names[i] == null) {
break;
}
System.out.print(names[i] + " ");
}
}
public boolean editName(String oldName, String newName) {
boolean find = false;
for (int i = 0; i < names.length; i++) {
if (names[i] != null) {
// /
if (names[i].equals(oldName)) {
names[i] = newName;
find = true;
break;
}
}
}
return find;
}
}
import java.util.Scanner;
public class TestStudent {
/**
* @param args
*/
public static void main(String[] args) {
Student s = new Student();
Scanner input = new Scanner(System.in);
for (int i = 0; i < 5; i++) {
System.out.println("请输入客户姓名:");
String newName = input.next();
s.addName(newName);
}
System.out.println("**********");
System.out.println("客户姓名列表");
System.out.println("***********");
s.showName();
System.out.println("\n请输入要修改的客户姓名:");
String oldName = input.next();
System.out.println("请输入新的客户姓名:");
String newName = input.next();
if (s.editName(oldName, newName)) {
System.out.println("修改结果");
System.out.println("找到修改成功");
} else {
System.out.println("没有找到");
}
System.out.println("**********");
System.out.println("客户姓名列表");
System.out.println("***********");
s.showName();
}
}
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