Oracle's Android appeal argues that 37 lines of Java API code should claim the same copyright protections as a creative work. But that's not how the law -- or the tech industry -- works.

When to use interfaces in Java. Interfaces are very useful for decoupling code and implementing polymorphism.We can see an example in the JDK, with the List interface: ...

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 ...