A review paper on software testing techniques and tools

Software testing is a field of software engineering whose aim is to find out errors present in software.in other words testing strategy provides a framework or set of activities, which are essential for the success of the project. Effective software testing will contribute to the delivery of higher quality software products, more satisfied users, lower maintenance costs, more accurate, and reliable results.” Testing is the process of executing a program with the intent of finding errors”. Effective testing defines the success of a software there are many techniques for testing here I defined which will be better in which case, levels of testing and automation tools of testing and what future improvement can be made in testing tools and in testing techniques.