Mean Bean is an open source Java test library that helps you rapidly and reliably test fundamental objects within your project, namely your domain and data objects. Mean Bean: 1. Tests that the getter and setter method pairs of a JavaBean/POJO function correctly.2. Verifies that the equals and hashCode methods of a class comply with the Equals Contract and HashCode Contract respectively.3. Verifies property significance in object equality.For example, with just a single line of code you can be confident that your getters and setters are well behaved… new BasicBeanTester().testBean(MyDomainObject.class); Mean Bean is hosted at SourceForge and is provided under the Apache License V2.0.