What is legacy class in java?

In earlier versions of Java, there were some classes which was used in place of Collections framework, those classes were known as Legacy classes.

Legacy classes were used earlier to save the object state.
Example: Vector is a Legacy class.

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About Rahul Thakur

Hi, this is Rahul working as Software Engineer at Orange Business Services. Responsible for Requirement analysis, design ,development, deployment, and testing. Working on Agile methodology and Scrum Experience on UML, OOAD, OOPS, Design patterns, Java / J2ee technologies, ORM, performance and load tests, code review and lot of SDLC activities.