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Full-Stack Internet Architecture

Introducing full-stack Internet architecture technologies centered on Java

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Latest from Full-Stack Internet Architecture

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Full-Stack Internet Architecture

Jan 8, 2024 · Information Security

Understanding SQL Injection and Prevention with Spring Boot and MyBatis

This article explains the concept of SQL injection, demonstrates a vulnerable query example, and provides a step‑by‑step Spring Boot and MyBatis implementation—including table creation, Java controller, service, DAO, mapper, and configuration—to illustrate how proper parameter handling prevents injection attacks.

Database SecurityJavaMyBatis

0 likes · 10 min read

Understanding SQL Injection and Prevention with Spring Boot and MyBatis

Full-Stack Internet Architecture

Jan 4, 2024 · Databases

Introduction to Redis: Advantages, Installation on CentOS, and First Commands

This article introduces Redis, explains its key advantages as an in‑memory data store, provides step‑by‑step installation instructions for CentOS including required packages, and demonstrates basic commands to start the server and interact with the database.

In-Memory DatabaseLinuxRedis

0 likes · 5 min read

Introduction to Redis: Advantages, Installation on CentOS, and First Commands

Full-Stack Internet Architecture

Dec 30, 2023 · Backend Development

Three Ways to Merge Two Lists and Remove Duplicates in Java

This article demonstrates three practical techniques—using a HashSet, leveraging Java 8 Stream API, and applying Map's merge functionality—to combine two List collections while eliminating duplicate elements, complete with full Java code examples and output illustration.

DuplicateRemovalHashSetJava

0 likes · 5 min read

Three Ways to Merge Two Lists and Remove Duplicates in Java

Full-Stack Internet Architecture

Dec 28, 2023 · Fundamentals

Using Labeled break to Exit Multiple Loops in Java

This article explains how Java's break and continue statements work, demonstrates why a simple break cannot exit nested loops, and shows how to use labeled break (and similarly labeled continue) to terminate all loops at once with clear code examples.

Control FlowJavaLoops

0 likes · 4 min read

Using Labeled break to Exit Multiple Loops in Java

Full-Stack Internet Architecture

Dec 26, 2023 · Backend Development

Understanding Java Thread Pools: Creation, Execution Flow, Advantages, and Common Implementations

This article introduces Java thread pools, explaining their purpose, creation using ThreadPoolExecutor, execution flow, advantages such as resource reuse and management, common blocking queues, rejection policies, and provides multiple code examples of various pool types and a comprehensive monitoring example.

BlockingQueueExecutorServiceJava

0 likes · 11 min read

Understanding Java Thread Pools: Creation, Execution Flow, Advantages, and Common Implementations

Full-Stack Internet Architecture

Dec 25, 2023 · Databases

Understanding MySQL EXPLAIN Execution Plans: A Detailed Guide

This article explains how to use MySQL's EXPLAIN statement to view execution plans, demonstrates creating sample order and customer tables, walks through each column of the EXPLAIN output, and shows how indexes affect query performance, providing a practical reference for database optimization.

EXPLAINMySQLdatabases

0 likes · 7 min read

Understanding MySQL EXPLAIN Execution Plans: A Detailed Guide

Full-Stack Internet Architecture

Dec 24, 2023 · Fundamentals

Using Conditional Breakpoints in IntelliJ IDEA for Efficient Debugging

This article explains how to set conditional breakpoints in IntelliJ IDEA to skip unnecessary iterations during debugging, illustrating the technique with a Java loop example and highlighting its usefulness for locating issues in complex code structures.

Conditional BreakpointDebuggingIDE

0 likes · 3 min read

Using Conditional Breakpoints in IntelliJ IDEA for Efficient Debugging

Full-Stack Internet Architecture

Dec 23, 2023 · Backend Development

Evolution of Technical Interview Questions: From Basic Java to Complex System Design

The article compares interview questions from ten years ago, which focused on basic Java concepts, with today's interviews that probe deep system design, distributed architecture, performance troubleshooting, and data consistency, highlighting the increasing difficulty and breadth of knowledge required for modern developers.

BackendCachingJava

0 likes · 2 min read

Evolution of Technical Interview Questions: From Basic Java to Complex System Design

Full-Stack Internet Architecture

Dec 22, 2023 · Databases

Understanding NULL Values in MySQL

This article explains the nature of NULL in MySQL, demonstrates why comparisons with = or != fail, shows the correct IS NULL/IS NOT NULL syntax, and discusses how NULL behaves with DISTINCT, GROUP BY, ORDER BY, and aggregate functions.

AggregationMySQLNULL

0 likes · 6 min read

Full-Stack Internet Architecture

Dec 21, 2023 · Operations

How to Diagnose High CPU Usage in a Java Program (Three‑Step Guide)

This article explains a three‑step method—using top to locate the CPU‑hungry Java process, identifying the offending thread, and printing its stack with jstack—to pinpoint and resolve excessive CPU consumption in a Java application running on Linux.

CPUJavaLinux

0 likes · 4 min read

How to Diagnose High CPU Usage in a Java Program (Three‑Step Guide)