Java8 Optional class, usage and advantages ?
The Optional class was introduced in Java 8 as a way to handle the null values in a cleaner and
How to handle Null Values in Java8 Streams?
Java Streams is a powerful API for processing data and performing complex operations in an efficient and elegant manner. However,
Java8 map() vs reduce() ?
The Java Stream API provides several aggregate operations to process data in a functional way. Two of these operations, map()
Windows – How to get my local ip ?
To get your local IP of a Windows system, you can use one of the following methods. How to get
Java8 map() vs flatMap() ?
Java 8 introduced streams as a way to process data in a functional and efficient manner. One of the key
Top 20 Java Streams API interview questions
The Java Streams API is a powerful tool for processing large amounts of data in an efficient and scalable way.
Integer.bitcount() method in Java
Integer.bitCount() method in Java In Java, the bitCount() method is a static method of the Integer wrapper class. It returns
super keyword in Java Example
How to use super keyword in Java In Java, super is used to refer to the parent class constructor, variables
How to hide python module entities?
Now that we know how to import our modules, we might want to restrict what is exposed. In this tutorial,
Different ways to import modules in Python
Python import: Python provides a few different ways to import modules and packages. In this tutorial, we'll take a look
How to create a Python Module ?
To have truly reusable code, we need to access functions, variables, and objects that have already been written. Thus we
What is Scope in Python ?
When working with any programming language, the variables and objects that we're working with are only accessible within certain scopes.
Understanding Python function parameter vs argument
When talking about functions, the words parameter and argument are often used interchangeably. But they represent two different things. In this tutorial,
Create a function in Python
In this tutorial, we are going to see how to create a function in python. Python functions: Being able to
Python Global keyword Example
Occasionally, we want to be able to modify a global variable from within a more specific context. In this situation,
Java Hashmap entrySet() Example
The entrySet() in Hashmap is used to get the mapping of the hashmap in a set view. Method signature: The
Java Hashmap keySet() Example
The keySet() in Hashmap is used to get a set of the keys present in a hashmap. Method signature: The
Java Hashmap computeIfAbsent() Example
The computeIfAbsent() in Java computes a given value by using a provided operation function. Method signature: The signature for computeIfAbsent()
Java String lastIndexOf() Example
If you want to know the last index position of a substring or a character in a string, then use
Java String charAt() example
charAt() method in Java return a character on the specific index of the string. Here are some of the best