How to copy an Array in Java
The methods described below are only applicable to one dimensional arrays. Arrays inherit methods from Object class, and Object.clone() is one of them. If you need to copy an Array…
Java – How to convert Array to Stream
In Java 8, you can either use Arrays.stream or Stream.of to convert an Array into a Stream. For object arrays, both Arrays.stream and Stream.of returns the same output. For object…
How to convert Array to List in Java
Java example to show you how to convert a Array to a List.
Java – How to declare and initialize an Array
Few Java examples to declare, initialize and manipulate Array in Java: Declares Array for primitive types, Declares array for classes or objects like String.class, Initialize array from method return an…
Java 8 – Convert a Stream to Array
In Java 8, we can use .toArray() to convert a Stream into an Array.
Java 8 – Convert a Stream to List
A Java 8 example to show you how to convert a Stream to a List via Collectors.toList Java8Example1.java Output Yet another example, filter a number 3 and convert it to…
Java 8 – Filter a null value from a Stream
Filter a null value from a Stream by using Stream.filter(x -> x!=null). Alternatively, filter with Objects::nonNull method reference
Java 8 Stream.iterate examples
In Java 8, we can use Stream.iterate to create stream values on demand, so called infinite stream. The stream.iterate was enhanced in Java 9. It supports a predicate (condition) as…
Java Prime Numbers examples
The following 3 Java examples will print a list of all the prime numbers up to 1,000: 1 - Java 8 Stream and BigInteger, 2 - Plain old Java ,…
Java 8 Parallel Streams Examples
Few Java 8 examples to execute streams in parallel: BaseStream.parallel() or Collection.parallelStream() . We can check to see that by default, parallel streams use `ForkJoinPool`. We can use Parallel streams…