ArrayList removeIf() iterate the list and removes all of the elements of this list that satisfy the given predicate.

Java ArrayList removeIf() Method Example

import java.util.ArrayList;
import java.util.List;
import java.util.function.Predicate;

public class ArrayListDemo {

    public static void main(String[] args) {

        List < String > programmingLanguages = new ArrayList < > ();
        programmingLanguages.add("C");
        programmingLanguages.add("C++");
        programmingLanguages.add("Java");
        programmingLanguages.add("Kotlin");

        // Remove all the elements that satisfy the given predicate
        programmingLanguages.removeIf(new Predicate < String > () {
            @Override
            public boolean test(String s) {
                return s.startsWith("C");
            }
        });

        programmingLanguages.forEach(key - > System.out.println(key));
    }
}

Output:

Java
Kotlin

Reference

https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/ArrayList.html

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