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Functional interfaces provide a single abstract method for functional programming in Java.
Functional interfaces allow for lambda expressions and method references to be used as instances of the interface.
Interfaces with multiple abstract methods cannot be used for lambda expressions.
Example: java.util.function.Function is a functional interface with a single abstract method apply().
Java 8 introduced new features like lambda expressions, streams, functional interfaces, and default methods.
Lambda expressions: Allows writing concise code by enabling functional programming.
Streams: Provides a way to work with sequences of elements efficiently.
Functional interfaces: Interfaces with a single abstract method, used for lambda expressions.
Default methods: Allows adding new methods to interfaces without br
Yes, one functional interface can extend another interface in Java.
Functional interfaces can extend other functional interfaces in Java.
The child interface can have only one abstract method, but can inherit default methods from the parent interface.
Example: interface Parent { void method1(); } interface Child extends Parent { void method2(); }
I applied via Naukri.com and was interviewed before Jul 2023. There were 2 interview rounds.
Write program on binary search in java
I applied via Naukri.com and was interviewed before Dec 2022. There were 3 interview rounds.
Project based schenario development
posted on 23 Feb 2022
I applied via Naukri.com and was interviewed in Jan 2022. There was 1 interview round.
posted on 27 Apr 2022
I applied via LinkedIn and was interviewed before Apr 2021. There were 4 interview rounds.
Hacker Rank test. Will give 2 programs.
I applied via Job Portal and was interviewed in Apr 2023. There were 4 interview rounds.
Linux is an open-source operating system based on Unix. Commands can be added using the terminal or by installing packages.
Linux is free and can be customized to suit specific needs
Commands can be added using the terminal by creating a script or alias
Packages can be installed using package managers like apt-get or yum
Examples of commands include ls, cd, mkdir, rm, etc.
I applied via Naukri.com and was interviewed in Dec 2021. There were 5 interview rounds.
2 coding questions were there 1 is of DFS and another is of subarray and some MCQs were also there of DSA
I applied via Naukri.com and was interviewed before Nov 2021. There were 2 interview rounds.
I applied via Naukri.com and was interviewed in Oct 2021. There were 3 interview rounds.
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