Java 8 features course

Category : Tutorial | Sub Category : Java 8 features course | By Prasad Bonam Last updated: 2023-11-13 04:00:49 Viewed : 236

A comprehensive Java 8 features course would cover a range of topics to help participants understand and apply the new features introduced in Java 8. Here is a suggested course content outline:

• Overview of the evolution of Java
• Introduction to the key features introduced in Java 8
• Understanding the motivations behind the changes

• What are lambda expressions?
• Syntax and basic examples
• Java8 - Functional interfaces
• Java 8 - Type inference and target typing
• Java8 - Method references
• Java8 - Functional programming concepts in Java

• Introduction to the Stream API
• Java8 - Creating streams from different data sources
• Java8 - Intermediate and terminal operations
• Java8 - Common use cases for stream processing
• Java8 - Parallel streams for concurrent processing

• Java8 -Need for default methods
• Java8 - Syntax and usage of default methods
• Java8 - Multiple inheritance and conflict resolution
• Java8 - Backward compatibility and existing interfaces

• Java8 - Understanding method references
• Java8 - Types of method references
• Java8 - When and how to use method references
• Method references Comparison with lambda expressions

• Java8 - Introduction to the Optional class
• Java8 - Dealing with null values
• Java8 - Methods in the Optional class
• Java8 - Use cases and best practices for the Optional class

• Java8 Overview of the java.time package
• Java8 - Local date and time, time zones
• Java8 - Periods and durations
• Java8 - Formatting and parsing date and time

Java8 - Introduction to Completable Future

• Java8 - Asynchronous programming
• Java8 - Combining and chaining Completable Future instances
• Java8 - Exception handling in CompletableFuture

• Using Nashorn for scripting in Java applications

• The @FunctionalInterface annotation
• Java8 - The java.util.function package

• Java8 - What is the average salary of each department
• Java8 - Get the details of highest paid employee in the organization?
• Java8 - Introduction to the Nashorn JavaScript engine
• Java8 - Print the name of all departments in the organization
• Java8 - What is the average age of male and female employees?
• Java8- Get the details of youngest male employee in the product development department
• How many male and female employees are there in the organization
• Building real-world applications using Java 8 features
• Count the number of employees in each department in java8
•  sort a list in Java 8
• Sorting a Map in Java 8

Module 1: Introduction to Java 8 Features

• Overview of the evolution of Java
• Introduction to the key features introduced in Java 8
• Understanding the motivations behind the changes

Module 2: Lambda Expressions

• What are lambda expressions?
• Syntax and basic examples
• Functional interfaces
• Type inference and target typing
• Method references
• Functional programming concepts in Java

Module 3: Stream API

• Introduction to the Stream API
• Creating streams from different data sources
• Intermediate and terminal operations
• Common use cases for stream processing
• Parallel streams for concurrent processing

Module 4: Default Methods

• Need for default methods
• Syntax and usage of default methods
• Multiple inheritance and conflict resolution
• Backward compatibility and existing interfaces

Module 5: Method References

• Understanding method references
• Types of method references
• When and how to use method references
• Comparison with lambda expressions

Module 6: Optional Class

• Introduction to the Optional class
• Dealing with null values
• Methods in the Optional class
• Use cases and best practices

Module 7: New Date and Time API

• Overview of the java.time package
• Local date and time, time zones
• Periods and durations
• Formatting and parsing date and time

Module 8: CompletableFuture

• Introduction to CompletableFuture
• Asynchronous programming in Java
• Combining and chaining CompletableFuture instances
• Exception handling in CompletableFuture

Module 9: Nashorn JavaScript Engine

• Introduction to the Nashorn JavaScript engine
• Interoperability between Java and JavaScript
• Using Nashorn for scripting in Java applications

Module 10: Other Miscellaneous Features

• Collection API improvements
• Type annotations
• The @FunctionalInterface annotation
• The java.util.function package

Module 11: Practical Applications and Case Studies

• Real-world examples and case studies demonstrating the use of Java 8 features
• Best practices and coding conventions
• Performance considerations

Module 12: Migration Strategies

• Strategies for migrating existing code to Java 8
• Handling potential challenges and issues
• Tools and resources for migration

Module 13: Advanced Topics (Optional)

• Advanced stream processing techniques
• Custom functional interfaces
• Advanced use of CompletableFuture
• Advanced tips and tricks

Module 14: Future Java Versions Preview

• A brief overview of features introduced in subsequent Java versions (if relevant)

Module 15: Hands-on Labs and Exercises

• Practical coding exercises to reinforce learning
• Building real-world applications using Java 8 features

Conclusion

• Recap of key Java 8 features
• Resources for further learning
• Q&A and discussion

This course outline is designed to provide a structured and comprehensive learning path for Java developers looking to master the features introduced in Java 8. Depending on the duration of the course, you may need to adjust the depth of coverage for each module. Hands-on labs and exercises are crucial for solidifying theoretical knowledge with practical experience.