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;
}