What is Integration testing and Its types.

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Integration Testing is defined as a type of testing where software modules are integrated logically and tested as a group. A typical software project consists of multiple software modules, coded by different programmers. The purpose of this level of testing is to expose defects in the interaction between these software modules when they are integrated.

Types of Integration Testing
1.IIT
2. NIT

In this video i have also discussed about sandwich and big bang approach in detail.