What is the point of the diamond operator (<>) in Java 7?

Question

The diamond operator in java 7 allows code like the following:

List list = new LinkedList<>();

However in Java 5/6, I c

Answer 1

When you write List list = new LinkedList();, compiler produces an "unchecked" warning. You may ignore it, but if you used to ignore these warnings you may also miss a warning that notifies you about a real type safety problem.

So, it's better to write a code that doesn't generate extra warnings, and diamond operator allows you to do it in convenient way without unnecessary repetition.