A walk through of software testing techniques

Software Testing is a process of program's execution with having the intentions of finding errors in order to attain software with null defect. For this purpose various testing technique have been used over the time. Software testing is an intense arena of research and a lot of development work has been done in the same. This field is gaining more and more of importance in the future. Many techniques are there for test case generation. This paper describes about Software testing and it's various aspects such as software testing principles and methodologies, its importance. Moreover it describes about different types and a comparative study on various types.