编写一个JAVA程序，定义一个学生类Student，属性包含姓名，年龄，性别，根据该类分别创建五个学生对象...
编写一个JAVA程序，定义一个学生类Student，属性包含姓名，年龄，性别，根据该类分别创建五个学生对象，然后按年龄大小排序，升序……要求使用工具包，collections,arraylist ,comparator……考试中，求大神……最后半个小时……
编写学生类Student，属性包含姓名，年龄，性别，根据该类分别创建五个学生对象，如下：
public class Student {
private String name;
private int age;
private String sex;
public Student(String name,int age,String sex){
this.name=name;
this.age=age;
this.sex=sex;
}
public static void main(String[] args){
//定义学生对象，直接在构造函数里给值，也可以用set设置值，get获取值
Student st1=new Student("xiaobai",12,"男");
Student st2=new Student("xiaohong",12,"女");
Student st3=new Student("xiaoyi",12,"女");
Student st4=new Student("xiaoer",12,"男");
Student st5=new Student("xiaodong",12,"女");
System.out.println("学生一："+st1);
System.out.println("学生二："+st2);
System.out.println("学生三："+st3);
System.out.println("学生四："+st4);
System.out.println("学生五："+st5);
}
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 getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
@Override
public String toString() {
return "Student [name=" + name + ", age=" + age + ", sex=" + sex + "]";
}
}
结果：
学生一：Student [name=xiaobai, age=12, sex=男]
学生二：Student [name=xiaohong, age=12, sex=女]
学生三：Student [name=xiaoyi, age=12, sex=女]
学生四：Student [name=xiaoer, age=12, sex=男]
学生五：Student [name=xiaodong, age=12, sex=女]
private String name;
private String age;
private String gender;
public Student() {
}
public Student(String name, String age, String gender) {
this.name = name;
this.age = age;
this.gender = gender;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getAge() {
return age;
}
public void setAge(String age) {
this.age = age;
}
public String getGender() {
return gender;
}
public void setGender(String gender) {
this.gender = gender;
}
}
=========以上为Student类=========
public class Main{
public static void main(String[] args) {
Student xiaoming = new Student("小明","10","男");
Student xiaohong = new Student("小红","9","女");
Student daming = new Student("大明","11","男");
Student dahong = new Student("大红","10","女");
Student five = new Student("第五个","13","男");
}
}
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