Tutorials

Step-by-step tutorials to master Java, Spring, Python, Android and Git concepts. From beginner-friendly guides to advanced techniques.

Spring Boot

Configuration Management in Spring Boot

4 min read

Spring Boot

Prerequisites for Spring Boot Development

6 min read

Java

Java 17 Interview Questions and Answers

9 min read

Spring Boot

Spring, Spring Boot Interview Question Answers

19 min read

Java

Most Popular Java Interview Questions and Answers

23 min read

MongoDB

Essential MongoDB Optimization Tips for Spring Boot Application

14 min read

Java

Introduction to Java Collections

3 min read

Java

Hashtable in Java

2 min read

Java

TreeMap in Java

6 min read

Java

IdentityHashMap in Java

3 min read

Java

LinkedHashMap in Java

4 min read

Java

HashMap in Java

7 min read

Java

ArrayDeque in Java

5 min read

Java

DelayQueue in Java

4 min read

Java

PriorityQueue in Java

6 min read

Java

TreeSet in Java

4 min read

Java

LinkedHashSet in Java

3 min read

Java

HashSet in Java

8 min read

Java

Stack in Java

5 min read

Java

Vector in Java

5 min read

Java

CopyOnWriteArrayList in Java

4 min read

Java

LinkedList in Java

9 min read

Java

ArrayList in Java

11 min read

Java

Static Variables, Methods, and Class

5 min read

Spring Boot

Importing CSV Data into PostgreSQL using Spring Boot Batch

20 min read

Spring Boot

Digging into HTTP Clients in Spring: From RestTemplate to HTTP Interface

14 min read

Spring Boot

Using Flyway for Database Migration in Spring Boot

13 min read

Spring Boot

Understanding Spring Boot Project Structure

5 min read

Spring Boot

Logging in Spring Boot

9 min read

Spring Boot

Dependency Injection in Spring Boot

9 min read