// public class Main{
//     public static double add(double a, double b){
//         return a + b;
//     }
    
//     public static double minus(double a, double b){
//         return a - b;
//     }
    
//     public static double multiply(double a, double b){
//         return a * b;
//     }
    
//     public static double divide(double a, double b){
//         return a / b;
//     }
    
//     public static void main(String args[]){
//         System.out.println("4.4加上7.11的结果：" + Main.add(4.4, 7.11));
//         System.out.println("8.9减去2.28的结果：" + Main.minus(8.9, 2.28));
//         System.out.println("5.2乘以13.14的结果：" + Main.multiply(5.2, 13.14));
//         System.out.println("92除以89的结果：" + Main.divide(92, 89));
//     
// }

// public class Audience{
//     String name;
//     int age;
    
//     public Audience(String name, int age){
//         this.name = name;
//         this.age = age;
//     }
    
//     public void buyTicket(){
//         if(this.age >= 18){
//             System.out.println(name + "\t\t" + age + "\t\t" + 40);
//         }
//         else{
//             System.out.println(name + "\t\t" + age + "\t\t" + 40 / 2);
//         }
//     }
    
//     public static void main(String args[]){
//         System.out.println("姓名\t\t年龄\t\t票价(元)");
//         System.out.println("----------------------------------");
        
//     	Audience audience1 = new Audience("李明", 20); //李明，20岁
// 		audience1.buyTicket(); //李明购票
		
// 		Audience audience2 = new Audience("钱丽", 16); //钱丽， 16岁
// 		audience2.buyTicket(); //钱丽购票
		
// 		Audience audience3 = new Audience("周刚", 8); //周刚， 8岁
// 		audience3.buyTicket(); //周刚购票
		
// 		Audience audience4 = new Audience("吴红", 32); //吴红，32岁
// 		audience4.buyTicket(); //吴红购票
//     }
// }

public class Student{
    int number;
    String name;
    float chinese;
    float math;
    float english;
    
    public Student(int number, String name, float chinese, float math, float english){
        this.number = number;
        this.name = name;
        this.chinese = chinese;
        this.math = math;
        this.english = english;
    }
    
    public void average(){
        float aver = (chinese + math + english) / 3;
        System.out.println(number + "\t" + chinese + "\t" + math + "\t" + english + "\t" + aver);
    }
    
    public static void main(String[] args){
        System.out.println("学号\t姓名\t语文\t数学\t英语\t平均分");
    	System.out.println("——————————————————————————————————————————————————");
		
		Student student1 = new Student(1, "张三", 91.5f, 98f, 89f); //张三的各科成绩
		student1.average(); //计算张三的平均分
		
		Student student2 = new Student(2, "李四", 96f, 98.5f, 93f); //李四的各科成绩
		student2.average(); //计算李四的平均分
		
		Student student3 = new Student(3, "王五", 97f, 100f, 98.5f); //王五的各科成绩
		student3.average(); //计算王五的平均分
		
		Student student4 = new Student(4, "钱六", 77f, 83f, 81f); //钱六的各科成绩
		student4.average(); //计算钱六的平均分
    }
}