java创建四个学生对象存储
时间: 2024-09-06 18:04:11 浏览: 31
在Java中创建四个学生对象并存储,首先需要定义一个学生类,然后创建该类的实例,最后将这些实例存储在一个合适的数据结构中。下面是具体的步骤和示例代码:
1. 定义学生类(Student):
```java
public class Student {
private String name;
private int age;
private String id;
private double score;
// 构造方法
public Student(String name, int age, String id, double score) {
this.name = name;
this.age = age;
this.id = id;
this.score = score;
}
// getter和setter方法
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public double getScore() {
return score;
}
public void setScore(double score) {
this.score = score;
}
}
```
2. 创建四个学生对象:
```java
public class Main {
public static void main(String[] args) {
// 创建学生对象
Student student1 = new Student("张三", 20, "S001", 90.5);
Student student2 = new Student("李四", 21, "S002", 85.0);
Student student3 = new Student("王五", 19, "S003", 92.0);
Student student4 = new Student("赵六", 22, "S004", 88.5);
// 存储对象,这里使用一个ArrayList来存储
List<Student> students = new ArrayList<>();
students.add(student1);
students.add(student2);
students.add(student3);
students.add(student4);
// 现在students列表中存储了四个学生对象
}
}
```
在这个例子中,我们首先定义了一个`Student`类,包含了姓名、年龄、学号和成绩等属性,以及相应的构造方法、getter和setter方法。然后在`Main`类的`main`方法中创建了四个`Student`对象,并将它们添加到`ArrayList<Student>`列表中。这样,我们就成功地创建并存储了四个学生对象。