Interview Questions and Answers for 'Ericsson' | Search Interview Question

Interview Questions and Answers for 'Ericsson' - 3 question(s) found - Order By Rating

Frequently asked in Accenture.

Q1. What is your biggest achievement at work ?

General

Ans. [Open Ended Answer]

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Q2. What is the difference between constructor and instance initialization blocks ?

Core Java

Ans. Constructor has the same name as class name whereas instance initialization block just have a body without any name or visibility type.

instance initialization blocks are useful if we want to have some code run regardless of which constructor is used or if we want to do some instance initialization for anonymous classes.

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Very frequently asked in phone and walk in interviews.

Q3. What are Marker Interfaces ? Name few Java marker interfaces ?

Core Java

Ans. An interface without any method declaration is called as marker interface. there are 3 in-built interfaces in JVM i.e. serializable, clonable, remote

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