1 class stu 2 { 3 public String stuno; 4 public String name; 5 public float math; 6 public float english; 7 public float computer; 8 public float sum; 9 public float average; 10 stu(String stuno1,String name1,float math1,float english1,float computer1) //构造函数 11 { 12 this.stuno = stuno1; 13 this.name = name1; 14 this.math = math1; 15 this.english = english1; 16 this.computer = computer1; 17 } 18 public void sum() //求和方法 19 { 20 sum = math + english + computer; 21 System.out.println("sum = " + sum); 22 } 23 public void average() //求平均值方法 24 { 25 average = sum / 3; 26 System.out.println("average = " + average); 27 } 28 public void max() //求最大值方法 29 { 30 float max; 31 if(math > english) 32 if(math > computer) 33 max = math; 34 else 35 max = computer; 36 else 37 if(english > computer) 38 max = english; 39 else 40 max = computer; 41 System.out.println("最高分为：" + max); 42 } 43 public void min() //求最小值方法 44 { 45 float min; 46 if(math < english) 47 if(math < computer) 48 min = math; 49 else 50 min = computer; 51 else 52 if(english < computer) 53 min = english; 54 else 55 min = computer; 56 System.out.println("最低分为：" + min); 57 } 58 public void print() //输出方法 59 { 60 System.out.println("姓名:" + name + " 学号:" + stuno ); 61 System.out.println("数学成绩：" + math + " 英语成绩：" + english + " 计算机成绩:" + computer); 62 } 63 } 64 class Student 65 { 66 public static void main(String args[]) 67 { 68 stu stu1 = new stu("2017025425","马云",99,88,77); 69 stu1.print(); 70 stu1.sum(); 71 stu1.average(); 72 stu1.max(); 73 stu1.min(); 74 } 75 }
运行结果：
