Topic: Java

Java SE JDBC Select Statement Example

Java JDBC Connection with MySQL Driver in VS Code + Troubleshooting

VS Code: The source path must be contained in the project root folder.

3 Ways to Change Default 8080 Port in Spring Boot

[fix] NullPointerException Cannot Invoke findById because Repository is null - Java Spring

[fix] Spring Boot Data JPA - No identifier specified for entity

Java: Convert Double to 2 Decimal Places [Examples]

Convert Multidimensional Array toString In Java

[Solution] POI: Cannot get a NUMERIC value from a STRING cell

Java Stream flatmap() Examples

Reading .xls and .xlsx Excel file using Apache POI Java Library

Spring Boot Web + Thymeleaf Hello World Example in IntelliJ in 5 Easy Steps

[fix] URI is not registered (Settings | Languages & Frameworks | Schemas and DTDs) IntelliJ

Java: Collect Stream as ArrayList or LinkedList

Java: Convert Stream to List

Java Program to generate random string

Generate Maven Project Dependency Tree using MVN Command

Java: Round Up to 2 decimal places examples

Java: Generate random numbers within a range

[fix] JSON Expected BEGIN_OBJECT but was STRING at line 1 column 1