Java 8 Stream – The peek() is not working with count()?
Many examples are using the .count() as the terminal operation for .peek(). However, for Java 9 and above, the peek() may print nothing. Since Java 9, if JDK compiler is…
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 Serialization and Deserialization Examples
In Java, Serialization means converting Java objects into a byte stream; Deserialization means converting the serialized object’s byte stream back to the original Java object. In Java, we have to…
How to convert InputStream to File in Java
Below are some Java examples of converting InputStream to a File. Plain Java – FileOutputStream, Apache Commons IO – FileUtils.copyInputStreamToFile, Java 7 – Files.copy, Java 9 – InputStream.transferTo