根据类Student的定义,创建五个该类的对象,输出每个学生的信息,计算并输出这五个学生Java语言成绩的平均值,以及计算并输出他们Java语言成绩的最大值和最小值。
时间: 2023-08-31 10:22:18 浏览: 117
利用java实现学生成绩
### 回答1:
```python
class Student:
def __init__(self, name, age, gender, java_score):
self.name = name
self.age = age
self.gender = gender
self.java_score = java_score
def __str__(self):
return f"Name: {self.name}, Age: {self.age}, Gender: {self.gender}, Java Score: {self.java_score}"
s1 = Student("Tom", 18, "Male", 90)
s2 = Student("Lucy", 19, "Female", 85)
s3 = Student("Jack", 20, "Male", 92)
s4 = Student("Alice", 18, "Female", 88)
s5 = Student("Bob", 19, "Male", 87)
print(s1)
print(s2)
print(s3)
print(s4)
print(s5)
scores = [s1.java_score, s2.java_score, s3.java_score, s4.java_score, s5.java_score]
average_score = sum(scores) / len(scores)
max_score = max(scores)
min_score = min(scores)
print(f"Average Java score: {average_score}")
print(f"Max Java score: {max_score}")
print(f"Min Java score: {min_score}")
```
输出结果:
```
Name: Tom, Age: 18, Gender: Male, Java Score: 90
Name: Lucy, Age: 19, Gender: Female, Java Score: 85
Name: Jack, Age: 20, Gender: Male, Java Score: 92
Name: Alice, Age: 18, Gender: Female, Java Score: 88
Name: Bob, Age: 19, Gender: Male, Java Score: 87
Average Java score: 88.4
Max Java score: 92
Min Java score: 85
```
### 回答2:
根据类Student的定义,首先我们需要定义Student类,包括属性和方法。假设Student类的属性包括name(姓名)、id(学号)、javaScore(Java语言成绩),以及getName()、getId()、getJavaScore()三个获取属性值的方法。
然后,我们可以创建五个该类的对象,分别为student1、student2、student3、student4、student5,并分别给这五个对象的属性赋值,例如姓名为张三、李四、王五、赵六、钱七,学号为1001、1002、1003、1004、1005,Java语言成绩分别为80、90、70、85、95。
接着,我们输出每个学生的信息,可以使用System.out.println()方法分别输出每个学生对象的姓名、学号和Java语言成绩。
最后,我们计算并输出这五个学生Java语言成绩的平均值、最大值和最小值。可以通过遍历五个学生对象的Java语言成绩,累加成绩求总和,再除以5得到平均值;同时比较每个学生对象的成绩,找到最大值和最小值,并输出。
示例代码如下:
```java
public class Student {
private String name;
private int id;
private int javaScore;
public String getName() {
return name;
}
public int getId() {
return id;
}
public int getJavaScore() {
return javaScore;
}
public static void main(String[] args) {
Student student1 = new Student();
student1.name = "张三";
student1.id = 1001;
student1.javaScore = 80;
Student student2 = new Student();
student2.name = "李四";
student2.id = 1002;
student2.javaScore = 90;
Student student3 = new Student();
student3.name = "王五";
student3.id = 1003;
student3.javaScore = 70;
Student student4 = new Student();
student4.name = "赵六";
student4.id = 1004;
student4.javaScore = 85;
Student student5 = new Student();
student5.name = "钱七";
student5.id = 1005;
student5.javaScore = 95;
System.out.println("学生1:姓名:" + student1.getName() + ",学号:" + student1.getId() + ",Java语言成绩:" + student1.getJavaScore());
// 输出学生2-5的信息...
int sum = student1.getJavaScore() + student2.getJavaScore() + student3.getJavaScore() + student4.getJavaScore() + student5.getJavaScore();
float average = (float)sum / 5;
System.out.println("五个学生Java语言成绩的平均值为:" + average);
int max = Math.max(student1.getJavaScore(), Math.max(student2.getJavaScore(), Math.max(student3.getJavaScore(), Math.max(student4.getJavaScore(), student5.getJavaScore()))));
System.out.println("五个学生Java语言成绩的最大值为:" + max);
int min = Math.min(student1.getJavaScore(), Math.min(student2.getJavaScore(), Math.min(student3.getJavaScore(), Math.min(student4.getJavaScore(), student5.getJavaScore()))));
System.out.println("五个学生Java语言成绩的最小值为:" + min);
}
}
```
以上代码只是示例,实际情况下你可能需要根据Student类的定义进行一些修改,例如将属性设为私有并提供相应的访问方法。
### 回答3:
根据类Student的定义,我们可以创建五个该类的对象,并输出每个学生的信息。假设Student类的定义如下:
```
class Student {
String name;
int age;
int javaScore;
public Student(String name, int age, int javaScore) {
this.name = name;
this.age = age;
this.javaScore = javaScore;
}
}
```
现在,我们创建五个学生对象并分别赋予他们不同的信息,如下所示:
```
Student student1 = new Student("张三", 18, 80);
Student student2 = new Student("李四", 19, 85);
Student student3 = new Student("王五", 20, 90);
Student student4 = new Student("赵六", 21, 95);
Student student5 = new Student("钱七", 22, 88);
```
接下来,我们可以输出每个学生的信息:
```
System.out.println("学生1的信息:");
System.out.println("姓名:" + student1.name);
System.out.println("年龄:" + student1.age);
System.out.println("Java语言成绩:" + student1.javaScore);
// 依次输出学生2、3、4、5的信息
```
然后,我们可以计算这五个学生Java语言成绩的平均值:
```
double averageScore = (student1.javaScore + student2.javaScore + student3.javaScore + student4.javaScore + student5.javaScore) / 5.0;
System.out.println("这五个学生Java语言成绩的平均值为:" + averageScore);
```
最后,我们可以计算这五个学生Java语言成绩的最大值和最小值:
```
int maxScore = Math.max(Math.max(Math.max(student1.javaScore, student2.javaScore), Math.max(student3.javaScore, student4.javaScore)), student5.javaScore);
int minScore = Math.min(Math.min(Math.min(student1.javaScore, student2.javaScore), Math.min(student3.javaScore, student4.javaScore)), student5.javaScore);
System.out.println("这五个学生Java语言成绩的最大值为:" + maxScore);
System.out.println("这五个学生Java语言成绩的最小值为:" + minScore);
```
以上就是根据类Student的定义,创建五个该类的对象,并输出每个学生的信息,计算并输出这五个学生Java语言成绩的平均值,以及计算并输出他们Java语言成绩的最大值和最小值的过程。
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