Java Multithreading Method 1: Extending Thread Class Too create a thread by extending the Thread class, override the run() method and call start() to begin execution. public class CustomThread extends Thread { @Override public void run() { for (int i = 0; i < 20; i++) { System.out.println("E...
System Overview Modern industries rely on specialized software for daily operations, and internet technologies have become indispensable to global workforces. Existing exam and learning exchange management systems often suffer from non-standard operational workflows, low fault tolerance, and high ad...
Maven and JDK Version Compatibility Reference the Apache archive for downloading: https://archive.apache.org/dist/maven/ Maven versions have specific Java version requirements: Maven 2.0.11 and earlier support JDK 1.3 and JDK 1.4 Maven 2.0.11 and later support JDK 1.5 and above Maven 3.0+ requires J...
Learning SpringBoot Objectives: Understand the pros and cons of Spring Understand the features of SpringBoot Understand the core functionality of SpringBoot Set up the SpringBoot environment Configure application.properties Configure application.yml Integrate MyBatis with SpringBoot Integrate JUnit...
Object-Oriented Programming Core Principles of OOP Inheritance: The mechanism where a new class derives properties and behaviors from an existing class. The existing class is referred to as the superclass or base class, while the new class is called the subclass or derived class. Inheritance ensures...
Proxy patetrns allow indirect access to target objects, enabling additional functionality like access control and auditing. A real-world analogy would be a property agent representing a homeowner. Static Proxy Limitations Static proxies require both the proxy and target classes to implement the same...
Server: public class NIOServer { private static final String HOST = "localhost"; private static final int PORT = 10086; public static void main(String[] args) { ServerSocketChannel serverSocketChannel = null; Selector selector = null; try { serverSocketChannel = ServerSocketChannel.open();...
Using Apache Commons Net, Java applications can interact with FTP servers to upload, download, and list files. The following utilities demonstrtae core operations using FTPClient. package com.li.utils; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java....
Polymorphism is the ability of a single interface to represent different underlying forms (data types or classes). It enables objects of various subclasses to be treated uniformly through a common superclass reference. 2. How Does Polymorphism Manifest? It occurs when a reference variable of a paren...
Working with Scanner Class To locate the Scanner class in API documentation: Type "Scanner" in the search bar The dictionary will display various input methods: nextInt(), nextDouble(), nextFloat(), nextLong(), nextByte(), nextShort(), next(), and others. // Example of using Scanner method...