Welcome to the Week 4 repository of our Java learning series. This week was dedicated to mastering *Java Generics, **Collections Framework, **IO Streams, **Exception Handling, **Regular Expressions, * ...

Welcome to the repository for Week 4 of our Java learning journey. This week focuses on mastering Java Collections Framework and Streams API, which are essential for efficient data manipulation and ...

Here the method stream () and then the call to filter () return a Stream<Customer>. In order to test the size, I have to either convert the Stream to a List as above, or I can use the Java 8 ...