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While Java remains dominant in enterprise applications, cloud services, and Android development, its position in systems programming is being challenged by Rust and Go. Each language has distinct advantages in this space. Key Comparison Areas 1. Memory Safety & Performance Rust’s Approach: // Rust's ownership system prevents data races at compile time fn process_data(data: Vec) …

Java Database Connectivity (JDBC) remains the standard foundation for interacting with relational databases in Java applications. One of its key components is the PreparedStatement interface, which simplifies the execution of parameterized SQL queries while enhancing security and performance. Prepared statements help prevent SQL injection and reduce query parsing overhead by allowing reuse with different parameter …

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Micronaut is a modern, JVM-based framework designed for building lightweight, modular microservices. One of the key aspects of Micronaut is its powerful configuration system. Developers often need to map configuration properties from YAML or properties files into strongly typed Java classes. In our Micronaut @ConfigurationBuilder example we will see how configuration properties can be bound …

The JVM’s just-in-time (JIT) compilation delivers peak performance—but only after warming up. For low-latency systems (serverless, real-time trading, microservices), slow warmup means: Higher tail latencies in cloud deployments Wasted CPU cycles during cold starts Poor user experience in bursty workloads This guide covers proven techniques to slash JVM warmup time, with benchmarks and real-world tuning strategies. 1. Why Warmup …

While REST has long dominated API design, GraphQL Federation is emerging as a powerful alternative for scalable, type-safe microservices architectures. Unlike monolithic GraphQL APIs, federation allows teams to:✔ Decouple services while maintaining a unified GraphQL schema✔ Avoid overfetching/underfetching (common in REST)✔ Scale independently without breaking clients In this guide, we’ll implement a federated GraphQL API using: Spring Boot (Java backend) Apollo Federation (schema stitching) Apollo Gateway (query routing) 1. Why Federation? …

Mapping between objects is a common requirement in Java applications, especially when transforming DTOs to Entities or vice versa. MapStruct simplifies this process by generating type-safe mappers at compile time. Let us delve into understanding how to map a source object to a target list using MapStruct. 1. Introduction MapStruct is a Java annotation-based code …

1. Introduction In this example, I will demonstrate all the available methods to copy specific fields via BeanUtils.copyProperties in a Spring application. The Spring Framework’s BeanUtils class provides three static void copyProperties methods to copy properties from one bean to another. copyProperties(Object source, Object target) – copy the property values of the given source bean …

The rise of WebAssembly (Wasm) has sparked debates about Java’s future in a world where near-native web performance is possible without the JVM. With browsers, edge computing, and even serverless platforms embracing Wasm, can Java adapt—or will it fade into legacy obscurity? This article explores: WebAssembly’s threat to Java’s dominance How Java may evolve (GraalVM, WASI, and …

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