Java ArrayList Examples
- Java ArrayBlockingQueue Example
- Java Convert Array to Set
- Copying part of Array in Java Example
- Sorting an Array using Arrays.sort() Method
- Check Two Arrays are Deeply Equal
- Java Arrays.copyOf() Example - Copying an Array
- Java Arrays.binarySearch() Example - Searching an Array
- Java Arrays.asList() Example - Convert Array to ArrayList
- Java Convert Array to Stack Example
- What's the Simplest Way to Print a Java Array?
- Java Pyramid Examples
- How to Check if Two Arrays are Equal in Java
- Create and Initialize Two Dimensional Array in Java
- How to Initialize an Array in Java in One Line
- Java Array - Create, Declare, Initialize and Print Examples
- Java Array Simple Program
Array Methods with Examples
- Java ArrayList add() Method
- Java ArrayList addAll() Method
- Java ArrayList clear() Method
- Java ArrayList contains() Method
- Java ArrayList ensureCapacity() Method
- Java ArrayList clone() Method
- Java ArrayList get() Method
- Java ArrayList indexOf() Method
- Java ArrayList remove() Method
- Java ArrayList removeAll() Method
- Java ArrayList removeIf() Method
- Java ArrayList retainAll() Method
- Java ArrayList sort() Method
- Java ArrayList spliterator() Method
The Java example filters out null values.
Java Stream filter null values example
We have a list of words. With the Stream filtering operation, we create a new list with null values removed.
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
public class JavaStreamFilterRemoveNulls {
public static void main(String[] args) {
List<String> words = Arrays.asList("cup", null, "forest",
"sky", "book", null, "theatre");
List<String> result = words.stream().filter(w -> w != null)
.collect(Collectors.toList());
System.out.println(result);
}
}
Output:
[cup, forest, sky, book, theatre]
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