Tricky java 8 interview questions on Functional Interface | Can we Override a Object class method ?

In this video we will discuss about some tricky java 8 interview questions on Functional interface. We will discuss some use-cases based on method overloading and method overriding with respect to object class methods.

Timestamp:
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00:00 - Marker Interface vs functional Interface
02:52 - Can we override a Object class Method inside functional Interface?

#javainterview #javainterviewquestions

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[SeleniumExpress]

Any functional interface that you have used from Spring? 🤔

[jayakumarsivasankar]

Q1.I have used Predicate, Consumer, Function functional interfaces.

Q2. Yes, we can have static and default methods in the functional interface. But only one abstract method.

Q3.why functional interface ignores
Object class method ?
If a Class implements the interface having same method signature as in Object class, then by default every class extends Object class and it leads to conflict between the same methods defined in the object class and in the interface

Please correct me if I'm wrong.

[rupeshswain]

Runnable interface, Consumer interface, Supplier interface is used in Functional interface but serializable interface, cloneable interface is used in Marker interface

[durgakothapalli]

Please do more content like these. These are really helpful. Thank you for your videos

[yespavan]

Hi Abhilash sir
Can you please make videos on Java8 new features

[AnhNguyen-zuo]

Thank you for uploading helpful and interestin video like this

[rajeswarijajam]

As the definition of functional interface no issue with default and static methods, and also pls make another vedio for this. Thanks abhilash

[suseesenthil]

Please upload more core java videos (to learn more solid foundations like your other videos)

[sivateja-ewgo]

Looking for more videos on java8 features with details explanation like this

[nikitamungane]

Please upload full series of java8 thank you!

[srinivasperuri]

Boss great video.Thani you guruji . provide more insight s on this topic guruji ..

[moeezahmed]

I had used
Runnable for threads
Serializable for cilent-server comminution

[abhishekverma]

Please explain more topics like this .

[devakichaitanya]

Comparable and Runnable interfaces, Equals method was ignored, plz make another video with more questions and answers

[DurgaShiva]

amazing content, please make video for why was the object class methods were ignored by @functionalInterface annotation

[sidharthamishra]

Please make a interview video on Java 8 features

[akhilachary]

bro can you give brief about predefined functional interfaces

[Anupam_Biswas]

Hi, In your website there are no live batch. I want to join your spring boot with microservice batch

[shubhammanecr]

The methods present in object class cannot be used in any functional interface, because they are already present in each class by default.... if you wish to use them then the only solution is providing a new implementation that is by changing the name of the method or by adding some arguments (method overloading).

[donthamsettisai]

Hi anna i want to watch all spring and spring boot related videos on your chaneel so how to acesss all your videos by paying the money.