2017-12-27 形式参数 会员录入系统

第一张是会员的录入和输出，第二张是查找会员的id以及输出会员的积分。

package day1227;

import java.util.Arrays;
import java.util.Scanner;

/**
 * 增加会员
 * @author Administrator
 *
 */
class Member{
	String[] arr = new String[1];
	int[] arr2 = new int[1];
	
	int index1;
	int index2;
	
	void run(){
		String id ="";
		int score =0;
		for(int i = 1;i<=10;i++){
			Scanner input = new Scanner(System.in);
			System.out.print("输入第"+i+"位会员编号：");
			id = input.next();
			add(id);
			System.out.print("输入第"+i+"会员积分：");
			score = input.nextInt();
			add2(score);
			System.out.print("要继续输入吗？（y/n）");
			String choice = input.next();
			if(choice.equals("n")){
				break;
			}
		}	
			formInfo(id, score);
		
	}
	
	
	public void add(String id){  //给第一个数组传值
	if(index1>0){
		arr = Arrays.copyOf(arr, index1+1);
		}
		arr[index1++] = id;
	}
	
	public void add2(int score){  //给第二个数组传值
		if(index2>0){
			arr2 = Arrays.copyOf(arr2, index2+1);
			}
			arr2[index2++] = score;
	}

	public void formInfo(String id,int score){
		System.out.println("***会员列表***");
		System.out.println("编号\t积分");
		for(int i = 0;i<arr.length;i++){
			System.out.println(arr[i]+"\t"+arr2[i]);
		}	
	}
}

public class homework2 {
	public static void main(String[] args) {		
		Member s = new Member();
		s.run();
	}
}

package day1227;

import java.util.Scanner;

/**
 * 
 * @author Administrator
 *
 */

class Member1 extends Member{
	
	String ids;
	public void getCode(){
		Scanner input = new Scanner(System.in);
		System.out.print("请输入您要查找的会员编号：");
		String ids = input.next();
		determine(ids);
	}
	
	public void determine(String id){
		for(int i = 0;i<arr.length;i++){
			if(arr[i].equals(ids)){
				System.out.println("该会员的积分为："+arr2[i]);
				return;
			}
		}
		System.out.println("未找到该编号！");
	}	
}

public class homework3 {
	public static void main(String[] args) {
		Member1 s = new Member1();
		s.run();
		s.getCode();
	}
}