The Java Tutorials‘s lesson on regular expressions introduces Java’s support for regular expressions via the java.util.regex package and highlights the two classes Pattern and Matcher.

Java – PizzaOrder.java – Decision Structures: if/else, switch, Boolean Expressions Up to this point, all the programs you have written had a sequence structure. This means that all statements are ...

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When you work with the JDK's Streams API and Lambda functions, you can use the ever-popular Java Predicate interface to help simplify the evaluation of boolean conditions. Also known as the Java 8 ...