This java example shows how to display all elements in a Java ArrayList object using get method,Iterator , ListIterator and for-each loop.
import java.util.ArrayList;
import java.util.Iterator;
import java.util.ListIterator;
public class DisplayAllElementsInArrayListExample {
public static void main(String[] args) {
// create an ArrayList object
ArrayList arrayList = new ArrayList();
// Add elements to Arraylist
arrayList.add("1");
arrayList.add("2");
arrayList.add("3");
System.out.println("Arraylist contains : ");
System.out.println("Display elements using get method.");
for (int i = 0; i < arrayList.size(); i++)
System.out.println(arrayList.get(i));
System.out.println("Display elements using Iterator.");
Iterator i = arrayList.iterator();
while (i.hasNext()) {
System.out.println(i.next());
}
System.out.println("Display elements using ListIterator.");
ListIterator listi = arrayList.listIterator();
while (listi.hasNext()) {
System.out.println(listi.next());
}
System.out
.println("Display elements using for-each loop(available since jdk1.5)");
for (Object e : arrayList) {
System.out.println(e);
}
}
}
The output is:
Arraylist contains :
Display elements using get method.
1
2
3
Display elements using Iterator.
1
2
3
Display elements using ListIterator.
1
2
3
Display elements using for-each loop(available since jdk1.5)
1
2
3
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