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What is a Defect?

A software bug arises when the expected result don't match with the actual results. It can also be error, flaw, failure, or fault in a computer program. Most bugs arise from mistakes and errors made by developers, architects.

Following are the methods for preventing programmers from introducing bugs during development:

  • Programming Techniques adopted

  • Software Development methodologies

  • Peer Review

  • Code Analysis

Common Types of Defects

Following are the common types of defects that occur during development:

  • Arithmetic Defects

  • Logical Defects

  • Syntax Defects

  • Multithreading Defects

  • Interface Defects

  • Performance Defects