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The XML is the markup language used to transfer the data. The XML syntax is the same as the HTML, whereas the tags are predefined in HTML and not in XML. This offers us to store the data between the opening and closing tags. In Python, dictionaries store data as key-value pairs. We can serialize a dictionary to XML format using two popular libraries: dict2xml (widely used) dicttoxml ... Read More
The Object class is the superclass of every single class in Java. This position implies that every class in Java, even if a built-in class or function like String or a user-defined one, directly or indirectly inherits from Object. Understanding the Object Class The Object class provides fundamental methods that every Java object inherits. Even if a class does not explicitly extend another class, it implicitly extends Object. Below is a demostration of the same − class Example { //This class implicitly extends to an Object } Why Does Every Class Inherit from ... Read More
In Java there are various data types present, the String type often leads to confusion regarding whether it is a primitive data type or an object(non-primitive data type ). Primitive Data Types in Java Primitive data types are the most basic data types the Java language provides. Primitive data types are not objects and do not have methods or properties. Eg: int (32-bit), float(32-bit), double(64-bit ), etc. What is String in Java? A string is not a primitive data type. Java.lang package provides the String class therefore, it is an object type. The String class provides methods to manipulate and operate ... Read More
Understanding the Operator in Python The is one of the operators available in Python. The present version that we are using is Python 3. The previous version was Python 2. Some of the operators in Python 2 don't support in Python 3. is used in Python 2, which is not supported in Python. The operator != is used in Python 3. The functionality of the or != is to represent not equal to. The output of these operators is in the format of Boolean values True or False. Syntax The following is the syntax for using ... Read More
Python Program to Count Total Bits in a Number To calculate the total bits in a number, convert it to binary using the bin() function. A bit represents data as 0 or 1, and 8 bits make a Byte. Bits are essential for data transmission, storage, and arithmetic operations, and bitwise operations are also possible. The output of bin() starts with 0b, followed by the binary digits. To find the total bit count, remove the leading 0b after conversion. Syntax Following is the Syntax for the bin() function. Where, number is the number to be converted into binary format variable_name ... Read More
Python object is belongs to the object oriented programming language. We previously have idea and knowledge regarding the python object. provides several built-in functions that help you inspect various aspects of objects. Some of these methods, including help(), type(), dir(), id(), hasattr(), getattr(), and callable(). Using the help() function If we want to inspect the python object we have a built function of python named help(). That provides documentation about an object, including its methods and attributes. Example In the following code, we imported the power function from the math module. Next we applied the inbuilt function help() on power ... Read More
We have to work with large size files in Python. If we use the large files, they occupy more space, and it isn't easy to handle the large files too. In such cases, we have a module in Python to work with the large files. The module we can use to handle large files is zipfile. By using this module, we can compress a large file into smaller files in Python. The following is the process that we have to follow for compressing the large files. ... Read More
A duck number is a positive number that contains a zero in it, but the first digit of the number cannot be a zero. For example, 10305, 20050, and 603 are duck numbers, while 0349 and 2987 are not duck numbers, as 0349 starts with 0 and 2987 does not contain 0 in it. The following are the approaches to find the duck number in Java − Using a while Loop Using the contains() operator Let’s understand each approach in detail. Finding Duck Number Using a While Loop In this approach, we take a number as input and ... Read More
In this article, we will learn how to build a simple ATM machine program in Java. This program lets users choose from the options displayed on the screen. Before choosing the options, the user has to enter their ATM PIN for verification. The default PIN will be '1234', which can be changed if needed. If the PIN is wrong, you will be exited from the program. If the PIN is correct, then the user can choose from the following − Java ATM Program Operations The following are the operations that you can perform with the program − ... Read More
Memory mapping is a technique in Java that gives direct access to files through memory (RAM). A memory-mapped file connects disk content straight to RAM, which lets Java applications handle files as memory segments. This makes files to be treated as a large array and is much faster than regular file operations like read() or write(). This requires fewer system calls and makes file operations faster even for very large files. The java.nio package helps us to implement memory-mapped file operations. This package contains the MappedByteBuffer class, which enables efficient file reading and writing from memory. Use cases of memory-mapped ... Read More