What are the trickiest Java questions?

Asked by Parini 06/12/2018 Last Modified 05/10/2025

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what is serialVersionUID , why it different for each bean? serialVersionUID = 42L;

This id is used to identify the type of the class. This is required when you serialize and de serialize the object. If you have given a value to this id, this will be common for all the objects created...

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I want to know what are the differences between runnable and thread class implementation except they are class and interface and how to decide which is better at what time ...

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1.You should know the basic concept: If we talk about programming languages so basic concept are same in all the high level languages. So you should know the basic concept firstly then you can easily understand...

Icreative Solution

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Java and C trainer

Always think any conspect with real-time example like Object -- object must have states and behaviour then only we will call that thing is Object like fan is Object (rotating,color)

Jadav Avinash

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Difference Between Checked And Un-Checked Exception

1. Exception is an abnormal condition in the program, if raises program terminates abnormally. 2. Exception always occurs at runtime only, there is no chance of exception at compile time. 3. Syntactical...

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How to create Rest web services in Java

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