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Optional class in Java 8 is used to represent a value that may or may not be present.
Optional class helps to avoid NullPointerException by explicitly handling null values.
It provides methods like isPresent(), ifPresent(), orElse() to work with optional values.
Example: Optional
Stream API in Java provides a way to process collections of objects in a functional style.
Stream API allows for easy manipulation of collections using functional programming concepts like map, filter, and reduce.
Streams can be created from various data sources like collections, arrays, or even I/O channels.
Stream operations can be either intermediate (like filter or map) or terminal (like forEach or collect).
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C++ is an extension of C with object-oriented programming features.
C++ supports object-oriented programming while C does not.
C++ has classes and templates while C does not.
C++ has better support for function overloading and default arguments.
C++ has a standard library that includes many useful functions.
C++ allows for both procedural and object-oriented programming.
C++ is generally considered to be a more complex langu
I applied via Naukri.com and was interviewed before Dec 2020. There were 3 interview rounds.
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I applied via Campus Placement and was interviewed in Apr 2020. There was 1 interview round.
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