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How to compare two ArrayList for equality in Java?
You can compare two array lists using the equals() method of the ArrayList class, this method accepts a list object as a parameter, compares it with the current object, in case of the match it returns true and if not it returns false.
Example
import java.util.ArrayList;
public class ComparingList {
public static void main(String[] args) {
ArrayList<String> list1 = new ArrayList<String>();
list1.add("JavaFx");
list1.add("Java");
list1.add("WebGL");
list1.add("OpenCV");
ArrayList<String> list2 = new ArrayList<String>();
list2.add("JavaFx");
list2.add("Java");
list2.add("WebGL");
list2.add("OpenCV");
System.out.println(list2);
System.out.println(list1.equals(list2));
}
}
Updated on: 30-Jul-2019
13K+ Views
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