Articles by Jeff Friesen

The first half of this tutorial introduced you to regular expressions and the Regex API. You learned about the Pattern class, then worked through examples demonstrating regex constructs, from basic pattern matching with literal strings to more compl…

The first half of this tutorial introduced you to regular expressions and the Regex API. You learned about the Pattern class, then worked through examples demonstrating regex constructs, from basic pattern matching with literal strings to more compl…

Java’s character and assorted string classes offer low-level support for pattern matching, but that support typically leads to complex code. For simpler and more efficient coding, Java offers the Regex API. This two-part tutorial helps you get start…

Java’s character and assorted string classes offer low-level support for pattern matching, but that support typically leads to complex code. For simpler and more efficient coding, Java offers the Regex API. This two-part tutorial helps you get start…

End your tour of Java’s essential language features with Jeff’s introduction to Java 8’s method references, interface default and static methods, and three lesser known language updates that every Java developer should know about. You’ll also previe…

End your tour of Java’s essential language features with Jeff’s introduction to Java 8’s method references, interface default and static methods, and three lesser known language updates that every Java developer should know about. You’ll also previe…

Get a primer on the basic syntax of lambda expressions and learn about target types, then find out how lambdas interact with scopes, local variables, the this and super keywords, and exceptions in your Java programs. Finish off by reviewing predefin…

Get a primer on the basic syntax of lambda expressions and learn about target types, then find out how lambdas interact with scopes, local variables, the this and super keywords, and exceptions in your Java programs. Finish off by reviewing predefin…

This article completes my introduction to new Java language features introduced in Project Coin, the JDK 7 language update. So far I have introduced try-with-resources, switch-on-string, multi-catch, and final re-throw. This month I demonstrate enh…

This article completes my introduction to new Java language features introduced in Project Coin, the JDK 7 language update. So far I have introduced try-with-resources, switch-on-string, multi-catch, and final re-throw. This month I demonstrate enh…