Java EE Core Concepts: Beans, Struts, JSP, EJB, MVC, CRUD
JavaBeans: Components & Core Concepts
JavaBeans are reusable software components that adhere to a specific set of conventions and guidelines defined by Sun Microsystems (now Oracle). They are essentially Java classes that encapsulate data and functionality, making them easily accessible and manageable. JavaBeans follow the principle of “Write Once, Run Anywhere” and can be integrated seamlessly into various Java development frameworks.
- Reusability: JavaBeans are designed to be reusable, enabling
Quality Management Systems & Production Control
Process Improvement & Quality Management Fundamentals
Quality Management is a set of coordinated activities to direct and control an organization to meet customers’ requirements and improve the effectiveness and efficiency of its performance.
Schools of Quality Management
The evolution of quality management systems has led to distinct schools of thought:
Total Quality Management (TQM)
- Focuses on strategic impact and market needs, with all members of the organization responsible for quality.
- Emphasizes
Journalism Essentials: Media, News, and Opinion Genres
Understanding the Press: Role, Genres, and Communication
The press serves as a powerful instrument of influence in society, fulfilling the triple role of informing, entertaining, and shaping public discourse. These functions are grouped into distinct sections, primarily classified as Informational Genres (e.g., news, reports, interviews) and Genres of Opinion (e.g., editorials, articles).
Information and Media Landscape
The most important means of information include radio, television, and newspapers.
Read MoreModern & Contemporary Art: Masterpieces & Movements
Notable Modern & Contemporary Artworks
City by Fernand Léger (1919)
Location/Context: Philadelphia, Cubism period.
Description: Characterized by loud colors and busy motion, representing the dynamic energy of city life.
Fountain by Marcel Duchamp (1950)
Location/Context: Philadelphia, Dadaism period.
Description: A provocative piece that challenges traditional notions of art, asserting that anything can be art and forcing viewers to perceive art in a new way.
Night by Max Beckmann (1919)
Location/Context:
Understanding Anorexia Nervosa: Symptoms, Behaviors, and Cognition
Understanding Anorexia Nervosa
Anorexia nervosa is an eating disorder characterized by self-induced weight loss driven by a pathological concern about body shape and weight. This concern leads to excessive control over food intake. Individuals with anorexia experience a progressive loss of appetite and a perceived need to restrict food. While it commonly emerges during adolescence (ages 14-18), it can also occur in older adults (ages 20-40). Although more prevalent in women, anorexia also affects
Read MoreHabsburg Spain’s Decline: 17th Century Challenges and Shifting Power
Factors Contributing to Spain’s 17th Century Decline
Financial Strain and Military Weakness
The **lack of financial resources** was primarily due to a significant decrease in shipments of precious metals from America between 1630 and 1660. This excessive tax burden provoked rebellions and temporary secessions within the Spanish territories. Such circumstances forced Spain to restrict its foreign policy objectives and, in many cases, compelled it to seek peace.
The **loss of military personnel** compounded
Read MoreInternational Law: The Principle of Non-Use of Force
The Principle of Non-Use of Force in International Law
The Principle of Prohibition of the Threat and Use of Force, enshrined in Article 2.4 of the Charter of the United Nations, mandates that Members of the Organization shall refrain in their international relations from the threat or use of force against the territorial integrity or political independence of any State, or in any other manner inconsistent with the Purposes of the United Nations.
Key Interpretations and Perspectives
- This principle
Mechanical Fasteners and Joints: Design & Function
Mechanical Joints and Fasteners
Fixed Joints
Fixed joints are used for joining thin, flat pieces that cannot support welded parts, or where welds might cause internal tensions and deform the material. Riveting is a common method for creating fixed joints.
Types of Riveted Joints
- Lap Joints: Where two pieces overlap and are riveted together.
- Butt Joints with Single Cover Plate: Where two pieces are on the same plane and are linked together by a single riveted plate (cover plate) that joins both pieces.
Operating Systems and RTOS Core Concepts
Operating System Fundamentals
Operating System: Types, Objectives, and Functions
Definition of Operating System
Software that manages hardware and software resources, acts as an interface between the user and hardware, and enables application execution.
Objectives of Operating Systems
- Convenience: User-friendly interaction.
- Efficiency: Optimum use of CPU, memory, and I/O devices.
- Ability to Evolve: Integrate new system functions.
- Security & Protection: Prevent unauthorized access and protect data.
- Resource
Political Science, Law, Governance, and Global Relations
Definition of Political Science
Political science is the systematic study of politics, government, and public policy. It involves the analysis of political institutions, processes, and behaviors, as well as the examination of the interactions between individuals, groups, and governments.
Nature of Political Science
- Social Science: Political science is a social science that seeks to understand human behavior and interactions in the context of politics and government.
- Empirical and Theoretical: Political