使用面向对象完成 查找学生.png 和 修改学生.png 的效果

import java.util.Scanner;

public class SearchAndUpdate {
	// 客户对象
	static Customer[] customers = new Customer[30];
	// 学生对象
	static Student[] students = new Student[30];

	/**
	 * 添加顾客姓名
	 * 
	 * @param name 传进来的客户
	 */
	public void addCustomer(Customer customer) {
		for (int i = 0; i < customers.length; i++) {
			if (customers[i] == null) {
				customers[i] = customer;
				// System.out.print(customers[i].getCustomerName());
				break;
			}
		}

	}

	/**
	 * 显示客户姓名列表
	 */
	public void showCustomer() {
		System.out.println("****************************");
		System.out.println("\t客户姓名列表：");
		System.out.println("****************************");
		for (Customer customer : customers) {
			if (customer != null) {
				System.out.print(customer.getCustomerName() + "\t");
			}
		}
	}

	/**
	 * 查找客户姓名
	 * 
	 * @param findName 传进来的客户姓名
	 * @return true 找到了， fasle 查无此人
	 */
	public boolean findCustomer(String findName) {
		for (Customer i : customers) {
			if (i != null && i.getCustomerName().equals(findName)) {
				System.out.println("*********查找结果*******");
				return true;
			}
		}
		System.out.println("*********查找结果*******");
		return false;
	}

	/**
	 * 添加学生姓名
	 * 
	 * @param student 传进来的学生对象
	 */
	public void addStudent(Student student) {
		for (int i = 0; i < students.length; i++) {
			if (students[i] == null) {
				students[i] = student;
				break;
			}
		}

	}

	/**
	 * 显示学生列表
	 */
	public void showStudent() {
		System.out.println("本班学生列表：");
		for (Student student : students) {
			if (student != null) {
				System.out.print(student.getStudentName() + "\t");
			}
		}
	}
	
	/**
	 * 找到并修改学生姓名
	 * @param updateStuName 需要修改的学生姓名
	 * @param newStuName 修改后的学生姓名
	 * @return true 找到并修改成功，false 未找到
	 */
	public boolean updateStuName(String updateStuName,String newStuName){  
        boolean find = false;  
        for(int i = 0;i < students.length; i++){  
            if(students[i].getStudentName().equals(updateStuName)){  
            	students[i].setStudentName(newStuName);  
                find = true;  
                break;  
            }  
        }  
        return find;  
    } 
	
	public static void main(String[] args) {
		SearchAndUpdate sAndUpdate = new SearchAndUpdate();

		Scanner scanner = new Scanner(System.in);
		System.out.println("请选择操作：1.客户查找\t\t2.学生信息修改");
		int key = scanner.nextInt();
		// 是否继续输入
		String isContinue = "";

		switch (key) {
		case 1:
			do {
				Customer customer = new Customer();
				System.out.print("请输入客户的姓名：");
				String customerName = scanner.next();

				customer.setCustomerName(customerName);
				sAndUpdate.addCustomer(customer);

				System.out.print("继续输入吗？(y/n):");
				isContinue = scanner.next();

			} while ("y".equals(isContinue));

			// 显示客户姓名列表
			sAndUpdate.showCustomer();

			do {
				System.out.print("请输入要查找的客户姓名：");
				String findName = scanner.next();

				boolean flag = sAndUpdate.findCustomer(findName);
				if (flag) {
					System.out.println("找到了！");
					break;
				} else {
					System.out.println("查无此人！请重新输入需要查找的客户名");
				}
			} while (true);

			break;
		case 2:
			// 根据要求循环输入5次学生姓名
			for (int i = 0; i < 5; i++) {
				Student student = new Student();

				System.out.print("请输入学生姓名：");
				String studentName = scanner.next();

				student.setStudentName(studentName);
				sAndUpdate.addStudent(student);
			}
			// 显示学生列表
			sAndUpdate.showStudent();
			System.out.print("\n");
			System.out.print("\n请输入要修改的学生姓名：");
			String updateStuName = scanner.next();
			System.out.print("请输入新的学生姓名：");
			String newStuName = scanner.next();
			
			System.out.println("\n*****修改结果*****");
			if (sAndUpdate.updateStuName(updateStuName, newStuName)) {
				System.out.println("找到并修改成功！");
			}else {
				System.out.println("没找到，抱歉");
			}
			// 显示新的学生列表
			sAndUpdate.showStudent();
			
			break;
		default:
			System.out.println("对不起，没有此操作！");
			break;
		}

	}
}

/**
 * 客户类
 * 
 * @author Administrator
 *
 */
class Customer {
	// 客户姓名
	private String customerName;

	public String getCustomerName() {
		return customerName;
	}

	public void setCustomerName(String customerName) {
		this.customerName = customerName;
	}
}

/**
 * 学生类
 * 
 * @author Administrator
 *
 */
class Student {
	// 学生姓名
	private String studentName;

	public String getStudentName() {
		return studentName;
	}

	public void setStudentName(String studentName) {
		this.studentName = studentName;
	}
}