Java Number floatValue() Method
The Number.floatValue() method in Java is used to convert a Number object to a float value.
Java Number doubleValue() Method
The Number.doubleValue() method in Java is used to convert a Number object to a double value.
Java Number byteValue() Method
The Number.byteValue() method in Java is used to convert a Number object to a byte value. Table of Contents Introduction byteValue() Method Syntax Examples Basic Usage Converting Different Number Types Handling Large Values Real-World Use Case Conclusion Introduction The Number.byteValue() method is a member of the Number class in Java. It returns the value of …
Java Byte Class Methods
The Byte class in Java is a wrapper class for the primitive type byte. It provides methods for converting a byte to a string and a string to a byte, as well as other constants and methods useful when dealing with a byte. Understanding these methods is crucial for efficient byte manipulation in Java. This …
Java Short Class Methods
The Short class in Java is a wrapper class for the primitive type short. It provides a variety of methods for converting a short to a string and a string to a short, as well as other constants and methods useful when dealing with a short. Understanding these methods is crucial for efficient short manipulation …
Java Long Class Methods
The Long class in Java is a wrapper class for the primitive type long. It provides a variety of methods for converting a long to a string and a string to a long, as well as other constants and methods useful when dealing with a long. Understanding these methods is crucial for efficient long manipulation …
Java Double Class Methods
The Double class in Java is a wrapper class for the primitive type double. It provides a variety of methods for converting a double to a string and a string to a double, as well as other constants and methods useful when dealing with a double. Understanding these methods is crucial for efficient double manipulation …
Java Character Class Methods
The Character class in Java wraps a value of the primitive type char in an object. This class provides numerous methods for determining the properties of a character, for converting characters from uppercase to lowercase and vice versa, and for converting characters to different formats. Understanding these methods is crucial for efficient character manipulation in …
Java Boolean Class Methods
The Boolean class in Java is a wrapper class for the primitive type boolean. It provides methods to convert a boolean value to a string and a string to a boolean value, as well as other constants and methods useful when dealing with boolean values. Understanding these methods is crucial for efficient boolean manipulation in …
Java Integer Class Methods
The Integer class in Java is a wrapper class for the primitive type int. It provides a number of methods for converting an integer to a string and a string to an integer, as well as other constants and methods useful when dealing with an int. Understanding these methods is crucial for efficient integer manipulation …
Java String Class Methods
The String class in Java is one of the most commonly used classes in the Java programming language. It represents a sequence of characters and provides a variety of methods to manipulate and handle strings. Understanding these methods is crucial for efficient string manipulation in Java. This guide covers various methods available in the String …
Java CopyOnWriteArrayList Class Methods
The CopyOnWriteArrayList class in Java is a thread-safe variant of ArrayList where all mutative operations (add, set, remove, etc.) are implemented by making a fresh copy of the underlying array. This class is best suited for applications where the array size is small, and read-only operations vastly outnumber mutative operations. This guide covers various methods …
Java ConcurrentHashMap Class Methods
The ConcurrentHashMap class in Java is part of the Java Collections Framework and is a thread-safe variant of HashMap. It is designed for concurrent access and provides better performance in a multi-threaded environment. ConcurrentHashMap allows multiple threads to read and write without any conflicts, making it a valuable tool for high-performance applications. This guide covers …
Java EnumMap Class Methods
The EnumMap class in Java is a specialized Map implementation designed for use with enum types. It is a high-performance Map implementation for use with enum keys, which makes it faster than other Map implementations. The EnumMap maintains all of the elements in a specific order (the natural order of the enum keys). This guide …
Java TreeMap Class Methods
The TreeMap class in Java is a part of the Java Collections Framework and implements the NavigableMap interface. It is a Red-Black tree-based implementation that provides efficient means of sorting and maintaining key-value pairs in natural order. This makes it an excellent choice when sorted order of entries is required. This guide covers various methods …
Java LinkedHashMap Class Methods
The LinkedHashMap class in Java is a part of the Java Collections Framework and extends the HashMap class. It maintains a doubly-linked list running through all of its entries, which defines the iteration ordering. This ordered version of the HashMap allows predictable iteration order, which is determined by the order in which entries were inserted. …
Java HashMap Class Methods
The HashMap class in Java is a part of the Java Collections Framework and implements the Map interface. It is used for storing data in key-value pairs and provides an efficient way of retrieving values based on their keys. HashMap does not maintain any order of its entries, which makes it faster for many operations. …
Java EnumSet Class Methods
The EnumSet class in Java is a specialized Set implementation designed for use with enum types. It is a part of the Java Collections Framework and provides a high-performance set implementation specifically for enums. EnumSet is much faster than other Set implementations, making it an excellent choice for use with enum constants. This guide covers …
Java CopyOnWriteArraySet Class Methods
The CopyOnWriteArraySet class in Java is a part of the Java Collections Framework and implements the Set interface. It is a thread-safe variant of HashSet where all mutative operations (add, set, remove, etc.) are implemented by making a fresh copy of the underlying array. This class is best suited for applications in which set sizes …
Java LinkedHashSet Class Methods
The LinkedHashSet class in Java is a part of the Java Collections Framework and implements the Set interface. It is a collection that maintains a linked list of the entries in the set, in the order in which they were inserted. This allows for predictable iteration order, which is not guaranteed by a regular HashSet. …
Java HashSet Class Methods
The HashSet class in Java is a part of the Java Collections Framework and implements the Set interface. The HashSet class uses a hash table for storage and does not allow duplicate elements. HashSet is widely used when you want to store unique elements and don’t care about the order. This guide covers various methods …
Java LinkedList Class Methods
The LinkedList class in Java is a part of the Java Collections Framework and implements the List interface. It provides a linked-list data structure that allows for efficient insertion and removal of elements. The LinkedList is widely used in scenarios where frequent insertions and deletions are required. This guide covers various methods available in the …
Java ArrayList Class Methods
The ArrayList class is part of the Java Collections Framework and provides resizable array functionality. It implements the List interface and is widely used because of its flexibility in handling dynamic arrays. This guide covers various methods available in the ArrayList class, offering a comprehensive understanding of how to manipulate and interact with lists in …
Exception Handling in C++
Introduction Exception handling in C++ is a mechanism that allows a program to deal with unexpected events or errors that occur during runtime. By using exceptions, you can separate error-handling code from regular code, making the program more readable and maintainable. The core keywords used for exception handling in C++ are try, catch, and throw. …
C++ Regular Expressions
Introduction Regular expressions (regex) are sequences of characters that form search patterns. They are widely used for string matching and manipulation. In C++, the <regex> library provides support for regular expressions, allowing you to perform complex string operations easily. Basic Concepts Regex Pattern: The sequence of characters that defines the search pattern. Regex Match: The …