字符串类型：“ 李明”

创建类的练习

//手机类

package it.com.qq;

public class Phone2 {

String brand;

int price;

public void prit(String brand,int price ) {

System.out.println("这个"+brand+"的价钱是"+price+"元");

}}

//测试类

package it.com.qq;

public class Phone2Demo {

public static void main(String[] args) {

Phone2 p=new Phone2();

System.out.println(p.brand );

System.out.println(p.price);

p.prit("小米",1500);

System.out.println("=====================");

p.brand="三星";

p.price=8450;

System.out.println("手机:"+p.brand+"**********价格："+ p.price);

p.prit("小米",1500);

System.out.println("=====================");

String brand="锤子";

int price=4500;

p.prit(brand,price);

}

}