Online Java Compiler By
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import java.util.*; class Student{ int rollno; String name; int age; Student(int rollno,String name,int age){ this.rollno=rollno; this.name=name; this.age=age; } } public class TestCollection3{ public static void main(String args[]){ Student s1=new Student(101,"Sonoo",23); Student s2=new Student(102,"Ravi",21); Student s3=new Student(103,"Hanumat",25); ArrayList
al=new ArrayList
(); al.add(s1); al.add(s2); al.add(s3); Iterator
itr=al.iterator(); while(itr.hasNext()){ Student st=itr.next(); System.out.println(st.rollno+" "+st.name+" "+st.age); } } }
Output