java，

java，

1.package rqr;


public class rqy {
    public static void main(String[] args){
    String name="任巧云";
    System.out.println("姓名:"+name);
    int age=23;
        System.out.println("年龄:"+age);
    char sex='女';
    System.out.println("性别:"+sex);
    String course="电子信息工程";
    System.out.println("专业:"+course);
    }
}
    2.public class Rqy2 {
public static void main(String[] args){
int a=2;
int b=1;
int c=1;
int x1=245;
int x2=570;
int x3=320;
double price=(a*x1+b*x2+c*x3)*0.8;
System.out.println(price);
   }
}