Collection Framework (List stores student objects and traverses)

Package cn.itcast_02;

Import java.util.ArrayList;

Import Java.util.Iterator;

Import java.util.List;

/*

* Store custom objects and traverse

*/

public class Listdemo {

public static void Main (string[] args) {

To create a collection object

List List = new ArrayList ();

Create student Objects

Student S1 = new Student ("Bones Jing", 30);

Student s2 = new Student ("Spider-Fine", 40);

Student s3 = new Student ("Kwan-Yin Sister", 22);

add a Student object to the collection object

List.add (S1);

List.add (S2);

List.add (S3);

Traverse

Iterator it = List.iterator ();

while (It.hasnext ()) {

Student s = (Student) it.next ();

System.out.println (S.getname () + "---" + s.getage ());

}

}

}

Stick to my blog about the collection, you feel the mastery is very simple!

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Collection Framework (List stores student objects and traverses)