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Java Development Journal
  • Guides
    • Spring Security Tutorial
    • Spring Boot
    • REST API with Spring
  • Start Here
    • Spring Framework
      • Spring MVC Tutorial
      • Spring Security
    • Interview
      • Spring Interview Questions
      • Spring Boot Interview Questions
      • Spring MVC Interview
      • Java Interview Questions
    • Popular Categories
      • REST
      • Spring Framework
      • Spring Boot
      • Spring MVC
    • Others
      • RSS
  • Interview Questions

Java

Learn the fundamentals of the Java programming language. These Java tutorials will help you learn Java Programming in a simple and effective manner.

How to write a Comparator as Lambda Expression

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Java Regex Email Validation Example

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How to generate random numbers in Java

How to Convert int to String in Java

How to Convert Date to LocalDate

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How to Convert Date to LocalDateTime

Formatting with printf() in Java

Java Streams map() Examples

Java Parallel Streams

Java Stream Reduce

Java Stream Filter With Example

Guide to the Java ExecutorService

Java 8 Streams peek Method

List of Rules Engine in Java

Introduction to Spliterator in Java

Java String replaceAll

Iterable to Stream in Java

The Double Colon Operator in Java 8

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Difference Between map and flatMap in Java

Introduction to Java URL Encoding/Decoding

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  • Convert String to int in Java
  • Java Sorting Example(Comparable and Comparator)
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  • How to Read Large File in Java
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