The Java 8 Stream supports various aggregate operations on a stream of elements. You can use Stream’s .findFirst() and .findAny()methods to get an element from the stream of elements with …
Java 8 Optional class provides type-level Optional values instead of NULL references. Optional.orElse() and Optional.orElseGet() methods help to return alternate values if no value is present. You can always use …
Java 8 Optional class provides various methods to handle the null or empty value with ease. The Optional.of() and Optional.ofNullable() methods are used for converting an object/literal to an Optional …
Java 8 Optional class provides various methods to handle errors that are likely to be caused by any methods returning “null” references or “no result“. In this tutorial, you can …