Java 8

Map

1. What is map() in Java 8 Stream
2. Convert a List of Strings to Uppercase
3. Write a program to upper case the name of the Employee object
4. How does map() differ from a traditional loop for transforming elements?
5. What is the difference between map() and flatMap() in Java 8 Streams?
6. How to Sum a List of Integers Using Java Streams (Java 8+) ?

Sorting

1. How to Sort a List of Integers in Java Using Streams?
2. How to sort Employee object in java using lambda expression?

Filter

1. Write a program to list the persons whose age is greater than 18 (voter) and sort them by age?