Flash cards
Review the key moves
1/4
Core idea
What is the main idea behind Java LinkedList removeIf() Method?
Lesson checks
Practice each idea before moving on
Short Mimo-style checks built from this lesson's code, terms, and sequence.
1Quick choice
Which statement best captures the main point of this lesson?
2Fill blank
Complete the missing token from the example code.
___ java.util.LinkedList;3Order
Put the learning moves in the order that makes the concept easiest to apply.
The removeIf() method removes all elements from this list for which a condition is satisfied.
Definition and Usage
Java LinkedList removeIf() Method
❮ LinkedList Methods
Example
import java.util.LinkedList;
public class Main {
public static void main(String[] args) {
LinkedList<Integer> numbers = new LinkedList<Integer>();
numbers.add(5);
numbers.add(9);
numbers.add(8);
numbers.add(6);
numbers.add(1);
numbers.removeIf( n -> n % 2 == 0 );
System.out.println(numbers);
}
}Definition and Usage
The removeIf() method removes all elements from this list for which a condition is satisfied. The condition can be defined by the return value of a lambda expression that is compatible with the test() method of Java's Predicate interface.
To learn about lambda expressions, see our Java Lambda Expression tutorial .
Syntax
public boolean removeIf(Predicate
condition )Parameter Values
| Parameter | Description |
|---|---|
| condition | Required. A Predicate object or lambda expression which tests an item from the list. |
Technical Details
| Returns: | true if any items were removed from the list, false otherwise. |
|---|