类和对象的练习

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package com.yunhe.L97;

class Stu1 {
String name;
float kemu1;
float kemu2;
float kemu3;


@Override
public String toString() {
return "stu1 [name=" + name + ", kemu1=" + kemu1 + ", kemu2=" + kemu2
+ ", kemu3=" + kemu3 + "]";
}


public float avg(Stu1 stu1) {
float res = 0;
res = (stu1.kemu1 + stu1.kemu2 + stu1.kemu3) / 3;
return res;
}
}
public class L4 {


public static void main(String[] args) {
// TODO Auto-generated method stub
Stu1[] stu2 = new Stu1[5];
init(stu2);
   Stu1 cal = new Stu1();


for (int i = 0; i < stu2.length; i++) {
float avg = cal.avg(stu2[i]);
System.out.println(stu2[i].name + "的平均成绩是： " + avg);
}
}


private static void init(Stu1[] stu2) {
stu2[0] = new Stu1();
stu2[0].name = "zhangsan";
stu2[0].kemu1 = 90;
stu2[0].kemu2 = 93;
stu2[0].kemu3 = 70;


stu2[1] = new Stu1();
stu2[1].name = "wang";
stu2[1].kemu1 = 90;
stu2[1].kemu2 = 93;
stu2[1].kemu3 = 70;


stu2[2] = new Stu1();
stu2[2].name = "lits";
stu2[2].kemu1 = 90;
stu2[2].kemu2 = 93;
stu2[2].kemu3 = 70;


stu2[3] = new Stu1();
stu2[3].name = "zhadn";
stu2[3].kemu1 = 90;
stu2[3].kemu2 = 93;
stu2[3].kemu3 = 70;


stu2[4] = new Stu1();
stu2[4].name = "sfd";
stu2[4].kemu1 = 90;
stu2[4].kemu2 = 93;
stu2[4].kemu3 = 70;
}
}