Java 8 Streams: Intermediate Operations Examples | Streams in Java 8

Welcome to our Java 8 Streams tutorial! In this video, we delve into the world of intermediate operations in Java 8 Streams. Intermediate operations are crucial for transforming and filtering data, making your code more powerful and efficient.

**In this video, you'll learn:**
- The role of intermediate operations in Java 8 Streams.
- How to use various intermediate operations with practical examples.
- Best practices for combining multiple intermediate operations to process data streams effectively.

**Key Concepts Covered:**

1. **Introduction to Intermediate Operations:**
- Overview of intermediate operations and their importance in stream processing.
- The difference between intermediate and terminal operations.

2. **Filter Operation:**
- How to filter elements in a stream based on a condition.
- Practical example: Filtering a list of names to include only those with more than three letters.

3. **Map Operation:**
- How to transform each element of a stream.
- Practical example: Converting a list of strings to their uppercase equivalents.

4. **FlatMap Operation:**
- How to flatten nested structures in a stream.
- Practical example: Flattening a list of lists into a single list.

5. **Distinct Operation:**
- How to remove duplicate elements from a stream.
- Practical example: Removing duplicate integers from a list.

6. **Sorted Operation:**
- How to sort the elements of a stream.
- Practical example: Sorting a list of strings in alphabetical order.

7. **Peek Operation:**
- How to perform a non-destructive operation on each element.
- Practical example: Logging the elements of a stream for debugging purposes.

8. **Limit and Skip Operations:**
- How to limit the number of elements in a stream.
- How to skip a number of elements in a stream.
- Practical examples: Limiting a stream to the first five elements and skipping the first two elements.

**Why This Matters:**
Intermediate operations are fundamental to the power and flexibility of Java 8 Streams. By mastering these operations, you can create more concise, readable, and efficient code for data processing tasks.

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Java 8 Stream Intermediate operations examples | Java 8 streams tutorial | Java 8 streams | Streams in Java 8

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[jvsnyc]

StreamDemo3 shows something interesting. You do the upper casing after the sorted(), so, if two strings were the same except one was "uppercase" and the other was "UPPERCASE", they will be separated with other values in between possibly. If you did the upper casing first, then two strings that differed only by case "case" "CaSe" will always appear together in the output.