Variables

How can you dynamically create variables?

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In this tutorial, we will learn How can you dynamically create variables which we can do in several ways like using a dictionary, Local and global keywords, setattr() build function, and even by using class and we will understand all one by one here with examples. Dynamically Variables dynamical Variables are the variables we create … Read more

Why Do We Use Final Variables In Java?

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Here in this tutorial, we will learn Why Do We Use Final Variables In Java? As we know their situations when we require a value of a variable as it is though out the program so in such cases we use a final keyword before a variable to make the variable final which makes the … Read more

Java | What Is The Difference Between Variable, Object, And Reference?

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In This Tutorial we will Discuss Java | What Is The Difference Between Variable, Object, And Reference? A variable is used for storing the data, Objects are the instant of class, and reference types points toward the object stored in the heap area and store the address. What Is Variable In Java? Variables are some … Read more

What Is A NullPointerException, And How Do I Fix It? In Java

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In this tutorial, We will learn What Is A NullPointerException, And How Do I Fix It? In Java As we know that exceptions occur when there is any condition that may cause some unavoidable error or Situation when the program can not proceed anymore. And handling the such situation are called exception handling. There are … Read more

What is null in Java?

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In this tutorial, we will learn What is null in Java? there is nothing special type of value that we call null but if we do not specify the value or we can say if we do not enter any value in a variable then by default a value is entered in the variable that … Read more

Integer | How do I check whether a variable is an integer?

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Here in this tutorial, we will learn to check whether a variable is an integer, as it is required multiple times when we need to find whether we can perform numerical operations or not on given values, Or sometimes maybe need to convert the given value into an integer. Integer As we know to get … Read more

How To Test Multiple Variables For Equality Against A Single Value?

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Here we will learn how To Test Multiple Variables For Equality Against A Single Value. as we can follow multiple ways to do so like conditional operators like if- else or switch case can be used for the same if the thing is to simply check for equality. Checking Of Multiple Variables With A Variable … Read more

Variables | Difference Between Declaring Variables Before Or In Loop.

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In this Tutorial, we will Differentiate Between Declaring Variables Before Or In a Loop, It is the same as local and global variables where the variable is declared outside the for loop as a global variable and the variable is declared inside for loop. Variables Variables are the places where we actually store our data … Read more

Python Tutorial – Understand Call By Reference | Detailed Guide with Examples

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Here in this Python Tutorial, we will understand Call by reference function can be done even though passing the variable as a reference to give input to the function so that we can perform our operations on that variable in Python Programming. What Are Function In Python Functions are the set of a few lines … Read more

What is the purpose of the return statement? How is it different from printing?

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  Return Statement Return Statement leads the function to exit and give back the value to its caller after executing the operations in a particular function, As the function has a property of taking something as input as a parameter and giving back the output after executing the operations as return back to the caller … Read more

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