So a more concise lambda expression that implements this Java Function interface would look like this: Function<Integer, String> conciseLambda = (Integer x)-> { return Integer.toString(x*x); }; System ...

1. The Java compiler: javac. The javac utility is the most important command-line interface tool you will find in the JDK's bin directory. This is the Java compiler, and whether you use Maven, Gradle, ...