In C, we have various methods to clear the console or output screen and one of them is clrscr() function. It clears the screen as function invokes. It is declared in "conio.h" header file. There are some other methods too like system (cls) and system ("clear") and these are declared ... Read More

The size of an object of an empty class in C++ is 1 byte as it allocates one unique address to the object in the memory. The size can not be 0, as the two objects can not have same memory allocation. In this article, we will see an example ... Read More

In this article, we will learn the NumberFormat.getPercentageInstance() method. Java provides powerful tools for formatting numbers, currencies, and percentages through the java.text.NumberFormatclass. One of the most useful methods in this class is the getPercentageInstance() method. NumberFormat.getPercentageInstance() method The NumberFormat.getPercentageInstance() method is a static method that returns a NumberFormat instance configured ... Read More

In this article, we will learn to convert a binary number into a decimal number in Java.Binary numbers are fundamental in computer science and digital electronics, where data is represented in a base-2 numeral system consisting of only 0s and 1s. Converting binary numbers to their decimal equivalents is a ... Read More

In this article, we will compare two Strings in Java using the compareTo() method, equals() method, or == operator. Each approach serves a specific purpose in comparing strings, whether it's lexicographical comparison, checking for content equality, or comparing object references. Using the compareTo() methodThe ... Read More

In this article, we will learn how to replace all occurrences of a given string with a new one using the replaceAll() method in Java. This method is particularly useful when we want to modify specific parts of a string.   replaceAll() method The replaceAll() method in Java is used ... Read More

In Java, maps are a powerful and versatile way to store key-value pairs. Often, you may find the need to merge the contents of one map into another. This can be done effortlessly using the putAll method available in the Map interface. Let's explore this functionality with an example and ... Read More

In Java, strings are one of the most commonly used data types for storing text. Sometimes, you may need to split a string based on a specific delimiter, such as a dot (.). Java provides powerful string manipulation methods like split(). Split() method  The split() method of Java String is ... Read More

When a static keyword is used, variables, data members, and functions can not be modified again. It is allocated for the lifetime of the program. Static functions can be called directly by using a class name. Key Points of Static Variables Static variables are variables that are defined using static ... Read More

A structure is a collection of items of different data types. It is very useful in creating complex data structures with different data type records. A structure is defined with the struct keyword. Syntax Here is the following syntax of structure. struct employee {  int empID;  char name[50];  float salary; ... Read More