手机类

package Phone20240709;public class Phone {private String brand;private String price;private static int size;public Phone() {}public Phone(String brand, String price) {this.brand = brand;this.price = price;}public String getBrand() {return brand;}public void setBrand(String brand) {this.brand = brand;}public String getPrice() {return price;}public void setPrice(String price) {this.price = price;}public static int getSize() {return size;}public static void setSize(int size) {Phone.size = size;}public void call() {System.out.printf("价值%s的%d英寸%s手机正在打电话\n", this.price,Phone.size, this.brand);}public void sendMessages() {System.out.printf("价值%s的%d英寸%s手机正在发短信\n", this.price,Phone.size, this.brand);}public void playGames() {System.out.printf("价值%s的%d英寸%s手机正在玩游戏\n", this.price,Phone.size, this.brand);}
}

        测试

package Phone20240709;
import java.util.Scanner;
import java.util.ArrayList;
public class PhoneTest {public static void main(String[] args) {Scanner sc = new Scanner(System.in);ArrayList<Phone> phonesList = new ArrayList<>();System.out.println("要录入多少手机?");Phone.setSize(6);int n = sc.nextInt();for (int i = 0; i < n; i++) {System.out.printf("请输入第%d类手机品牌\n", i + 1);String brand = sc.next();System.out.printf("请输入第%d类手机的价格\n", i + 1);String price = sc.next();Phone p = new Phone();p.setBrand(brand);p.setPrice(price);phonesList.add(p);System.out.println(brand + "手机成功录入");}showWays(phonesList);}public static void showWays(ArrayList<Phone> phonesList){for (int i = 0; i < phonesList.size(); i++) {phonesList.get(i).call();phonesList.get(i).sendMessages();phonesList.get(i).playGames();}}}