Software testing

software testing is an important process in the software development lifecycle. The software development cycle has 7 phases.They are planning, requirement analysis, design, coding, testing, deployment and maintenance. Software testing is used to verify and validate the functionality of software application or any other software products to make it free from bugs, errors or any defects, And also it meets the technical requirements set by its design, development and it satisfies the user requirements in effecient and effective manner. The main aim is to ensure the flawless software operation before it reaches the end users. It is necessary to know about the various forms of testing in software that is unit testing, security testing, integration testing, system testing, and acceptance testing. We need to know about the programming knowledge, software testing fundamentals, what are the test techniques/ methods are used and how it is implemented in tools. Software testing is important to identifies defects in early stages, to improves the product quality, to improves user experience like compatibility and reliability and increases the customer satisfaction ,detects security vulnerability.