Java Programming Level 2: Advanced Programming Techniques

1 Encryption Plaintext Ciphertext Ciphers Keys Symmetric Key Encryption Exercise 1: Encrypting the String Using Advanced Encryption Standard Block Ciphers Initialization Vectors Stream Ciphers Asymmetric Key Encryption Exercise 2: Encrypting the String Using the RSA Asymmetric Key Encryption Encrypting Files Exercise 3: Encrypting a File 2 Regular Expressions Decrypting Regular Expressions Character Classes Character Sets Quantifiers Anchors Capturing Groups Escaped Characters Flags Exercise 1: Implementing Regular Expressions Activity 1: Regular Expressions to Check If the Entrance is Entered in the Desired Format Regular Expressions in Java Exercise 2: Extracting the Domain Using Pattern Matching Exercise 3: Extracting Links Using Pattern Matching 3 Functional Programming with Lambda Expressions Background Functional Programming Side Effects Deterministic Functions Pure Functions Exercise 1: Writing Pure Functions Immutability of State Exercise 2: Creating an Immutable Class Activity 1: Modifying Immutable Lists Immutable Collections Exercise 3: Overriding the String Method Functional Interfaces Lambda Expressions Exercise 4: Listing Spare Tires 4 Processing Data with Streams Creating Streams Parallel Streams Encounter Order Closing Streams Terminal Operations Intermediate Operations Exercise 1: Using the Stream API Activity 1: Applying Discount on the Item Using Collectors I/O Streams Exercise 2: Converting CSV to a List Activity 2: Searching for Specifics Lambda Function 5 Unit Testing Getting Started with Unit Tests Introducing JUnit Writing Unit Tests with JUnit Exercise 1: Writing a First Unit Test Exercise 2: Writing a Successful Test Deciding What to Test Writing Parameterized Tests Exercise 3: Writing a Parameterized Test When Tests Won't Work—Disabling Tests Test Setup Exercise 4: Using Test Setup and Cleanup Methods Mocking Testing with Mocks Using Mockito Exercise 5: Using Mocks when Testing Activity 1: Counting the Words in the String