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Computer Programming

133 learners

Projection, Filtering, and Aggregation of Data Streams

Focusing on data manipulation operations, this course teaches how to perform data projection, filtering, and aggregation using Java without needing advanced external libraries. You will learn how to use both procedural and functional programming techniques when applying filtering and aggregation on the data stream.

Java

See path

5 lessons

23 practices

3 hours

Computer Science Fundamentals

Lessons and practices

Lesson 1: Understanding Data Streams in Java

Retrieve First Flight Record from Data Stream

Observing Behavior of the getLast Method in Java DataStream

Handling First and Last Elements in Data Streams

Implement SliceToString Method in DataStream Class

Returning the Middle Element of a Slice in a Java List

Lesson 2: Filtering Data Streams in Java

Filter Numbers Greater Than Twenty in Java

Fix the Number Filtering Bug in Java

Filter Even Numbers from Data Stream Using Stream API

Filtering Positive Even Numbers Using Java Stream API

Filtering Data Streams with Java Streams

Lesson 3: Introduction to Data Projection Techniques in Java

Projecting Fruit Colors Instead of Names in Java Stream

Fix the Logical Error in Java Data Projection Task

Enhance Car Horsepower with Data Projection in Java

Filtering and Projecting Product Prices in Java

Converting Temperatures using Data Projection in Java

Lesson 4: Introduction to Data Aggregation Methods in Java

Finding the Maximum Age Using Reduce Method in Java

Calculate Average Temperature in Java

Finding the Most Frequent Age Using Java's Reduce Method

Counting Adults Using Reduce Method in Java

Lesson 5: Practical Data Manipulation Techniques in Java

Filter, Project, and Aggregate Sales Department Data in Java

Implement Data Manipulation for Sales Department in Java

Data Manipulation Using Java Streams

Data Manipulation using DataStream Class in Java

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