JavaでArrayListに特定の要素が含まれているかどうかを確認するにはどうすればよいですか?

boolean contains(Object o)

package com.tutorialspoint;

import java.util.ArrayList;
import java.util.List;

public class CollectionsDemo {
   public static void main(String[] args) {
      List list = new ArrayList<>();
      list.add(new Student(1, "Zara"));
      list.add(new Student(2, "Mahnaz"));
      list.add(new Student(3, "Ayan"));
      System.out.println("List: " + list);
      Student student = new Student(3, "Ayan");
      if(list.contains(student)) {
         System.out.println("Ayan is present.");
      }
   }
}
class Student {
   private int id;
   private String name;
   public Student(int id, String name) {
      this.id = id;
      this.name = name;
   }
   public int getId() {
      return id;
   }
   public void setId(int id) {
      this.id = id;
   }
   public String getName() {
      return name;
   }
   public void setName(String name) {
      this.name = name;
   }
   @Override
   public boolean equals(Object obj) {
      if(!(obj instanceof Student)) {
         return false;
      }
      Student student = (Student)obj;
      return this.id == student.getId() && this.name.equals(student.getName());
   }
   @Override
   public String toString() {
      return "[" + this.id + "," + this.name + "]";
   }
}

Note: com/tutorialspoint/CollectionsDemo.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
List: [[1,Zara], [2,Mahnaz], [3,Ayan]]
Ayan is present.