Java-programs/LearnArrayListObject.java at main · tejaspundpal/Java-programs

29 lines (24 loc) · 892 Bytes

import java.util.*;

public class LearnArrayListObject

{

public static void main(String[] args) {

Student s1 = new Student(111,"Pranav",20);

Student s2 = new Student(112,"Tejas",21);

Student s3 = new Student(113,"Psrp",20);

List<Student> st = new ArrayList<Student>();

st.add(s1);

st.add(s2);

st.add(s3);

//System.out.println(st);------>it prints addresses

// Iterator itr=st.iterator();

// while(itr.hasNext()){

// Student s=(Student)itr.next();

// System.out.println(s.rollno+" "+s.name+" "+s.age);

// }

//easy method---->

for (Student s : st) {

System.out.println(s.rollno + " " + s.name + " " + s.age);

}

System.out.println(st);//after using toString in student class it shows correct output

}

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