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Java Collections - ArrayList.isEmpty() Examples

[Last Updated: Dec 10, 2025]

Java Collections Java Java API 


Class:

java.util.ArrayList

java.lang.Objectjava.lang.Objectjava.util.AbstractCollectionjava.util.AbstractCollectionjava.util.CollectionCollectionjava.util.AbstractListjava.util.AbstractListjava.util.ListListjava.util.ArrayListjava.util.ArrayListjava.util.ListListjava.util.RandomAccessRandomAccessjava.lang.CloneableCloneablejava.io.SerializableSerializableLogicBig

Methods:

public boolean isEmpty()

Returns true if this list contains no elements.




Examples


package com.logicbig.example.arraylist;

import java.util.*;

public class IsEmptyExample {

public static void main(String... args) {
// Check if list is empty
ArrayList<String> list = new ArrayList<>();
System.out.println("Is list empty? " + list.isEmpty());
list.add("Test");
System.out.println("After adding - Is list empty? " + list.isEmpty());
}
}

Output

Is list empty? true
After adding - Is list empty? false
JDK 25




See Also