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Category: Java 8

Learn more about Java 8 Related Debugging Ideas and Interview Questions, This will be helpful for Java Beginners to Experts in Programming manners

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Core Java Difference Betweens Java 8

Difference Between ifPresent() and ifPresentOrElse() in Optional

February 19, 2025February 24, 2025 techiebug

Both methods belong to the Optional<T> class and are used to handle optional values in Java. ifPresent() (Java 8) Example: Using ifPresent() Output: If the

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Java 8

Usage of flatMap() in Java Streams

February 19, 2025February 19, 2025 techiebug

The flatMap() method in Java Streams is used to flatten nested structures, such as List<List<T>>, into a single stream of elements. map() vs flatMap() Feature

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Java 8

Usage of reduce() in Java Streams

February 19, 2025February 19, 2025 techiebug

The reduce() method in Java Streams is used to perform aggregation operations like summing, finding the minimum or maximum, concatenation, etc. It reduces a stream

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Java 8

5 Advanced reduce() Examples in Java Streams API

February 19, 2025February 19, 2025 techiebug

Let’s explore some advanced uses of reduce(), including custom objects, parallel processing, and performance considerations. 1. Finding the Longest Word in a List You can

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Difference Betweens Java 8

Difference Between map() and flatMap() in Java Streams

February 15, 2025February 15, 2025 techiebug

Both map() and flatMap() are used for transformation in Java Streams, but they behave differently when handling nested structures (like Lists of Lists). Feature map()

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Java 8

What is Java 8 ? and Why it is so popular version ?

February 14, 2025February 19, 2025 techiebug

Java 8, released in March 2014, is one of the most significant versions of Java. It introduced major improvements in functional programming, performance, and API

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Java 8

Java Streams sorted() Method with Examples

February 13, 2025February 13, 2025 techiebug

The sorted() method in Java Streams is used to sort elements of a stream in either natural order or using a custom comparator. Syntax of

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Java 8

Sorting JSON Data Using Java Streams with an Example

February 13, 2025February 13, 2025 techiebug

Sorting JSON data using Java Streams is useful when working with API responses, configuration files, or stored data. Let’s break it down step by step.

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Core Java Interview Questions Java 8

50 different types of Java Stream API Examples

November 30, 2024November 30, 2024 techiebug

1. Count the Characters from a String 2. Convert character into lower case 3. Count the unique letters 4. Extract all words starting with a

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Java 8

Map Manipulation Examples using Java Streams

October 20, 2024October 20, 2024 techiebug

In Java, the Stream API provides powerful ways to manipulate collections, including Map. Though Map itself is not a direct part of the Stream API,

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