java：Student类
package collection;
public class Student {
public Student() {}
public Student(String name, String sex, int age) {
this.name = name;
this.sex = sex;
this.age = age;
}
@Override
public String toString() {
return "Student [toString()=" + this.name+"-->"+ this.sex +"-->"+ this.age + "]";
}
private String name;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
private String sex;
private int age;
}
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package collection;
import java.util.*;
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