Java database connectivity with MYSQL
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The document provides a step-by-step guide for establishing a Java database connection using MySQL. It details the process of downloading the MySQL connector, adding the necessary JAR file, and running a sample connection program with basic error handling. The example code demonstrates how to connect to a local MySQL database and retrieve data from a table named 'result'.
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![Connection code
package dbconnection;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.Statement;
import javax.swing.JOptionPane;
/**
* @author Adil M
*/
public class Dbconnection {
public static void main(String[] args) {
Connection con;](https://image.slidesharecdn.com/javadatabaseconnectivity-160424024706/85/Java-database-connectivity-with-MYSQL-7-320.jpg)
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- Types of software metrics including direct metrics like lines of code and indirect metrics like functionality.
- Frameworks for measuring software quality attributes like correctness, maintainability, integrity, and usability.
- The importance of software quality assurance in reducing costs and improving time-to-market through defining quality, identifying assurance activities, and using metrics for process improvement.
Expert system
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- They are composed of a knowledge base, inference engine, and user interface. The knowledge base contains facts and rules, the inference engine applies logic, and the user interface allows for interaction.
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Sliding window and error control
Sliding window and error controlAdil Mehmoood Sliding window flow control allows multiple frames to be transmitted before an acknowledgement is required. It uses sequence numbers and windows to track acknowledged frames. The receiver has a buffer and can receive up to W frames before needing to acknowledge. There are different error control protocols like stop-and-wait, go-back-N, and selective reject that use timeouts, acknowledgements, and retransmissions to ensure reliable data transmission.
Proposal defence format
Proposal defence formatAdil Mehmoood The document provides a template for a student project proposal containing the following key elements:
1) An introduction/background section describing the student's understanding of the domain of the project.
2) A problem statement identifying the specific problem the project intends to focus on and any deficiencies of current solutions.
3) A project idea section explaining the proposed solution, what deliverables it will provide, and how the solution is different and efficient compared to other approaches.
4) A how to do section describing the student's plan to develop the application, including any tools/methodologies and a diagram of the project architecture.
Shading and two type of shading flat shading and gauraud shading with coding ...
Shading and two type of shading flat shading and gauraud shading with coding ...Adil Mehmoood The document discusses different shading techniques in computer graphics such as flat shading, Gouraud shading, and Phong shading. It explains that flat shading colors an entire polygon with one color, Gouraud shading uses interpolation to vary the shading across a polygon, and Phong shading more accurately simulates light reflection. Examples of OpenGL code are provided to demonstrate implementing different shading models.
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Computer vesionAdil Mehmoood Computer vision is a field of artificial intelligence that uses computer hardware and software to analyze visual images and videos. The goal is to make useful decisions based on sensed images by understanding objects and scenes. Computer vision combines knowledge from fields like computer science, electrical engineering, mathematics, biology and cognitive science. It focuses on extracting useful information from images like detecting and identifying faces, recovering 3D geometry, and tracking motion. Computer vision has applications in manufacturing, city planning, entertainment, forensics and more.
System quality attributes
System quality attributes Adil Mehmoood Non-functional requirements specify system quality attributes such as performance, security, business considerations, configuration, operations, and enhancement capabilities. Performance attributes include efficiency, throughput, and scalability. Security attributes include security, privacy, and accountability. Business attributes include cost, adaptability, extensibility, and replaceability. Configuration attributes include configurability, integrability, portability, and deployability. Operations attributes include availability, fault tolerance, maintainability, monitorability, and alerting. Enhancement attributes include understandability, analyzability, and learnability.
Graph Clustering and cluster
Graph Clustering and clusterAdil Mehmoood Cluster analysis is the process of dividing data into subsets or clusters where elements within a cluster are similar to each other and dissimilar to elements in other clusters. There are different types of clusters such as well-separated, center-based, contiguous, and density-based clusters. Clustering algorithms can also be hierarchical, partitional, overlapping, complete, partial, or fuzzy. Cluster analysis has applications in fields like biology, information retrieval, climate analysis, psychology, medicine, and business for understanding patterns in data and grouping similar elements.
Token ring 802.5
Token ring 802.5Adil Mehmoood Token rings are a network topology where nodes are connected in a ring configuration and data flows in one direction around the ring. A token circulates continuously and allows nodes to transmit data. When a node has a frame to send, it takes the token and inserts its frame, while other nodes copy the frame and forward it. The token is returned to the ring after transmission. Physical failures can disrupt the entire ring, but electromechanical relays allow failed nodes to be bypassed. Multi-station access units allow token rings to function like a star topology by connecting multiple nodes and relays.
diseases caused by computer
diseases caused by computerAdil Mehmoood The document discusses several diseases and health issues that can be caused by excessive computer use, including computer vision syndrome, sleep disorders, carpal tunnel syndrome, deep vein thrombosis, musculoskeletal problems, repetitive stress injuries, obesity, and stress disorders. Computer vision syndrome causes eye strain and issues like blurred vision from long periods staring at screens. Sleep disorders and increased stress have been linked to late night computer and phone use. Carpal tunnel syndrome and repetitive stress injuries can result from awkward wrist positions and overuse. Prolonged sitting also increases risks of deep vein thrombosis, obesity, back pain, and other musculoskeletal problems.
Diseases caused by Computer
Diseases caused by ComputerAdil Mehmoood This document discusses several health issues that can result from excessive computer use:
- Computer Vision Syndrome, which includes eye strain, dry eyes, headaches, and back/neck pain from long periods of screen time. Over 70% of computer users experience CVS.
- Sleep disorders caused by the blue light of screens disrupting circadian rhythms and melatonin production. Excessive late night computer use was linked to increased sleep issues, stress, and depression.
- Repetitive stress injuries from prolonged awkward positioning, such as carpal tunnel syndrome from repetitive wrist motions like using a mouse.
- Musculoskeletal problems from poor posture and an uncomfortable workstation set up.
- Obesity in children from a
What is Resume ,purpose and objective of resume and type of resume
What is Resume ,purpose and objective of resume and type of resumeAdil Mehmoood A resume is a structured document summarizing an individual's education, experiences, skills, and accomplishments pertinent to a specific job field. Its primary purpose is to secure job interviews by effectively showcasing qualifications in a clear and organized manner. Resumes should generally be one to two pages and include essential components like contact information, job objectives, education, and employment history, while avoiding personal details such as religion and marital status.
Multiplexing and switching(TDM ,FDM, Data gram, circuit switching)
Multiplexing and switching(TDM ,FDM, Data gram, circuit switching)Adil Mehmoood Multiplexing techniques such as time division multiplexing (TDM) and frequency division multiplexing (FDM) allow multiple users to share network links. TDM divides time into slots that are allocated to users on a fixed or dynamic basis. FDM assigns each user a unique frequency band to transmit in simultaneously. Switching networks move data packets through intermediate nodes using either circuit switching, which establishes a dedicated path, or packet switching, which breaks messages into packets that travel independently through the network.
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- 9. Thanks like and share :)
- 10. Thanks like and share :)