‘try’ block without either a ‘catch’ block or a ‘finally’ block is not allowed in java.The main purpose of a ‘try’ block is to wrap code that might throw an exception, and it must be followed by either a ‘catch’ block to handle exceptions ‘finally’ block to execute code after the ‘try’ block regardless of …
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In this tutorial, we will learn how to find mac address using Java. Introduction : A MAC (Media Access Control) address is a unique identifier assigned to a network interface controller (N I C) for use as a network address in communications within a network. It is typically represented as a 12-digit hexadecimal number, usually …
how to merge pdf files into one using python’s PyPDF2 library. Multiple files can be merged using append() and merge() method of Pdf File Merger class of PyPDF2. Page ranges can also be specified for merging option. Requirements: pypdf2 – pdf file Merger pdf File Merger class concatenate ,slice and insert pdf files Code: …
In this tutorial, we will learn what are DOM Events using JavaScript with some cool and easy examples. In many situations, you might have to come up with this type of requirements. I Know you are here just because you are in need of this awesome what are DOM Events using JavaScript. DOM (Document Object …
As the name suggests, a local inner class is a class that you define within a method or a scope block of another class. Unlike member inner classes, you can only access local inner classes within the method or block where they are defined. They primarily serve for ‘Encapsulation’, where you require a class for …
Here we are creating card shuffle system using python programming Python deck of cards program The python deck of cards program can be written using some of inbuilt python collection of tools Itertools The itertools module in Python provides a collection of tools for working with iterable data structures. It includes various functions for creating …
A simple login form is a user interface component typically found on websites or applications that require user authentication. It consists of input fields for the user to enter their credentials usually a username or email and a password and there should be a submit button to initiate the login process. How to create a …
The eval() method in Java Script evaluates or executes its argument. If the argument is an expression, it evaluates the expression. If it’s one or more JavaScript statements, eval() executes the statements. This function was used to evaluate a string as JavaScript code, but it is now considered deprecated because it can introduce security vulnerabilities …
The PDF format which stands for Portable Document Format is widely used for displaying text and graphics in a consistent manner across different platforms and software applications. Python being a high level programming language offers versability and ease of use when it comes to working with various computer systems. However handling source PDF files and …
Reshape a NumPy array in Python using the reshape() function. This function allows you to change the shape (dimensions) of the array while keeping the same data. Here’s a basic example: Code: import numpy as np #Here we are Creating a NumPy array arr = np.array([[1, 2, 3], [4, 5, 6]]) # Reshape the array …