Here are 30 important interview questions about Spring JDBC Template, along with their answers: 1. What's the nature of Spring JDBC Template and Why is it utilized? -An answer: Spring JDBC Template is a part of Spring Framework. It simplifies JDBC operations. Spring JDBC Template is used to avo…
Introduction: When working with input data in Java, it's common to encounter situations where you need to read data from an InputStream and convert it into a String for further processing. Whether you're dealing with file input, network communication, or other data sources, knowing how t…
In this blogpost, we will see top 50 interview questions with answers on Docker for senior developers: 1. What is Docker? Docker is an open-source platform that allows you to automate the deployment, scaling, and management of applications using containerization. 2. How does Docker work? Docker use…
Introduction Memory leaks can be a significant concern in Java programming, leading to inefficient resource utilization and system crashes. Understanding how memory leaks occur and how to prevent them is crucial for maintaining the performance and stability of your Java applications. In this blo…
When it comes to data storage and retrieval in Java, two commonly used classes are HashMap and Hashtable. Both serve as implementations of the Map interface, facilitating the storage of key-value pairs. Despite their similar functionality, these classes have distinct differences that can signifi…
Introduction Java, a versatile and widely-used programming language, has been a subject of debate when it comes to parameter passing. Developers often wonder whether Java employs "pass-by-reference" or "pass-by-value" when passing variables to methods. To truly understand thi…
Introduction In the realm of computer science and programming, efficiency is paramount. Developers constantly seek ways to optimize algorithms and data structures to ensure that applications run swiftly and smoothly. One such optimization technique involves the processing of arrays – a fundament…