♦ Java abstract classes Vs interfaces Interview Q&As

Q1. When to use an abstract class over an interface? Q2. What is a diamond problem? Q3. Does Java support multiple inheritance? In design, you want the base class to present only an interface (or a contract) for its derived…

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Arulkumaran Kumaraswamipillai
Mechanical Engineering to Java freelancer since 2003. Published Java/JEE books via Amazon.com in 2005, and sold 35K+ copies. Books are outdated and replaced with this online Java training. join my LinkedIn group.
Arulkumaran Kumaraswamipillai

Mechanical Engineering to Java freelancer since 2003. Published Java/JEE books via Amazon.com in 2005, and sold 35K+ copies. Books are outdated and replaced with this online Java training. join my LinkedIn group.

Posted in Classes, member-paid

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