Java Tutorials

Java compareTo Method The Java compareTo() method compares values lexicographically and returns an integer value that describes if the first string is less than, equal to, or greater than the second string. Suppose str1 and str2 are two string variables. str1 == str2 :0 str1 > str2 : positive value str1 < str2 : negative […]

Java Abstraction In this tutorial, we will learn about Java Abstraction. Abstraction is the process of hiding unwanted inner details and exposing only the essential functionality of an object to the user. Java Abstraction is a fundamental concept in object-oriented programming (OOP) concepts that helps in hiding the complex implementation details and showing only the […]

Java == Operator The Java == operator compares two values or object references for equality. The == operator compares references and not values. == Operator When comparing primitive data types (int, char, double, etc.), the == operator checks if the values are identical. When comparing objects (instances of classes), the == operator checks if the […]

Java String methods The Java String class provides a variety of methods for manipulating and working with strings. The class is defined in the java.lang package. It provides methods to work with strings. With the help of these methods, we can perform operations on strings such as trimming, concatenating, converting, comparing, replacing strings, etc. Let’s […]

Java split() method The Java split() method is used to divide a string into an array of substrings based on a specified delimiter. This is useful when you need to break a string into parts, such as parsing data from a CSV file or processing a text based on a particular pattern This method splits […]

Java startsWith() method The Java startsWith() method checks if the string starts with the given prefix. It returns true if this string starts with the given prefix else the method returns false. Method signature public boolean startsWith(String prefix) prefix: The sequence of characters to check at the beginning of the string. The prefix parameter is […]