Because these methods were all in a single class, ... The inclusion of the diamond operator (<>) in Java SE 7 means that code that instantiates generic classes can be less verbose.

What is the conditional Java ternary operator? The Java ternary operator provides an abbreviated syntax to evaluate a true or false condition, and return a value based on the Boolean result. The Java ...

java.util.function.UnaryOperator @FunctionalInterface public interface UnaryOperator<T> extends Function<T,T> T apply(T t) Applies this function to the given argument. Parameter Types: T - the input ...