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Java 11 String API Additions 1. Introduction Java 11 added few useful APIs to the commonly used String class. In this tutorial, we will explore and use these new APIs. 2. repeat() As the name suggests, the repeat() instance method repeats the string content. It returns a string whose value is… Continue Reading java-11-string-api
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Java 11 Nest Based Access Control 1. Introduction In this tutorial, we will explore nests, the new access control context introduced in Java 11. 2. Before Java 11 ==== 2.1. Nested Types Java allows classes and interfaces to be nested within each other. These nested types have unrestricted access to… Continue Reading java-nest-based-access-control
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Java 11 Local Variable Syntax for Lambda Parameters 1. Introduction The local variable syntax for lambda parameters is the only language feature introduced in Java 11. In this tutorial, we’ll explore and use this new feature. 2. Local Variable Syntax for Lambda Parameters One of the key features introduced in… Continue Reading java-var-lambda-params
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Negate a Predicate Method Reference with Java 11 1. Overview In this short tutorial, we’ll see how to negate a Predicate method reference using Java 11. We’ll start with the limitations encountered in order to achieve this before Java 11. Then we’ll see how the Predicate.not() method helps, as well. 2. Before… Continue Reading java-negate-predicate-method-reference
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Transforming an Empty String into an Empty Optional 1. Introduction In this quick tutorial, we’ll present different ways to transform a null or empty String into an empty Optional. Getting an empty Optional out of null is straightforward — we just use Optional.ofNullable(). But, what if we want empty Strings to work… Continue Reading java-empty-string-to-empty-optional
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Java 11 Single File Source Code 1. Introduction JDK 11, which is the implementation of Java SE 11, released in September 2018. In this tutorial, we’ll cover the new Java 11 feature of launching single-file source-code programs. 2. Before Java 11 A single-file program is one where the program fits… Continue Reading java-single-file-source-code
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