Java Streams: Building Collections with `collect`
Understand how to effectively use the Stream API's `collect` method to build and manipulate collections in Java.
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About this course
Many Java applications involve processing and transforming collections of data. Discover how to accomplish these tasks efficiently and declaratively using the Java Stream API.
By the end of this course, you will be able to write concise, readable, and powerful Java code, leveraging the Stream API to transform and gather data into various collection structures.
What you'll learn:
* Understand the foundational concepts of the Java Stream API and its advantages.
* Apply intermediate stream operations like `filter`, `map`, and `sorted` for data preparation.
* Utilize the `collect` terminal operation with standard `Collectors` (e.g., `toList`, `toSet`, `toMap`) to build various data structures.
* Practice advanced `collect` patterns, including `groupingBy` and `partitioningBy`, for complex data aggregation.
* Learn to create custom `Collector` implementations for highly specific data transformation requirements.
* Configure immutable collections securely and efficiently using modern `collect` methods.
This course begins with foundational Stream API concepts and progresses through intermediate operations, culminating in a detailed exploration of the `collect` method and its practical applications with various `Collectors`. You will read clear explanations and work through step-by-step code examples to solidify your understanding.
This course is designed for Java beginners and developers looking to understand and effectively use the Stream API's `collect` operation. No prior experience with streams is required.
Start your journey to more expressive and efficient Java data processing today.
What you'll get
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Certificate of completion
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Lifetime access
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Phone or computer
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14-day refund
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Short & focused
2h 48m of practical content
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Frequently asked
What do I need to take this course? +
Just a phone or computer with internet. No installs, no special hardware.
How do I pay? +
By card via Stripe. We donโt store card details โ Stripe handles them securely.
Can I get a refund? +
Yes โ full refund within 14 days, no questions asked.
How long will I have access? +
Forever. Once you purchase, the course is yours to revisit anytime.
Will I get a certificate? +
Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.
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