第八周上机练习

1.

package test;
public class LH {
     int cpu;
     char color;
     
        public void all() {
            System.out.println("颜色是" + color);
            System.out.println("cpu是" + cpu);
     
        }
    }

package test;

public class LH {
    public static void main(String[] args) {
                book p1 = new book();
                p1.color='red';
                p1.cpu=0;
                p1.com();
         
            }
         
        }

2.

package test;

public class Person {
    String name;
    double sg;
    int nl;
    
    public void sayHallo(){
        System.out.println("hello,my name is "+name);
        System.out.println("我的身高为"+sg);
        System.out.println("我的年龄为"+nl);
    }
}

package test;

public class PersonCreate {
     public static void main(String[] args) {
            Person p1=new Person();
            p1.name="zhangsan";
            p1.nl=33;
            p1.sg=1.73;
            p1.sayHallo();
            Person p2=new Person();
            p2.name="lishi";
            p2.nl=44;
            p2.sg=1.74;
            p2.sayHallo();            
        }
}