When you write String::toUpperCase, Java binds each element of the stream (String object) to the toUpperCase() method. This means String::toUpperCase is interpreted as s -> s.toUpperCase() , where ...

Types of strings in Java. Java distinguishes between primitive strings and object strings:. Primitive strings. These are string literals or string calls from a nonconstructor context. A constructor is ...

Right-click the Java source code file you want to edit and click "Open With." Click your Java compiler in the list of programs. Create the Java string variable.

I have previously blogged on how Groovy and ActionScript provide demonstrations of switching on Strings functionality that has not been available in Java. JDK 7 changes this for Java by ...