Java

StringBuilder capacity() Method In Java | In this blog we will discuss the capacity() method of the StringBuilder class which returns the capacity of the given string. The capacity is the number of toal characters StringBuilder object can contain. The syntax of the capacity method is as follows:- public int capacity()Parameters: It doesn’t accept any […]

How To Append An Array In Java | In this blog we will discuss how to add an array to the array or how to add elements to the array in Java. In simple words how to merge two arrays or add elements to the array. Now we will see the different possibilities for achieving

Java StringBuilder charAt() Method | In this blog, we will discuss the charAt() method. The charAt() method is used to return the character at the specific index in the string of character sequence. The charAt() method is a string manipulation method that is present in the StringBuilder class which means it supports single threading and

Java StringBuilder To Char Array | In this blog, we will convert the StringBuilder object to a char array. As we are trying to convert an object to a different data type so we cannot do it directly. Example of Java StringBuilder to char array:-StringBuilder: “Hello”Char array: {‘H’, ‘e’, ‘l’, ‘l’, ‘o’} The StringBuilder class

FilenameUtils.getExtension() Example | The getExtension() method of FilenameUtils class given in Apache Commons IO API returns the extension of the given file. It returns the textual part of the fileName after the last dot (‘.’) character. There must be no directory separator after the dot.  Method syntax:- public static String getExtension(final String fileName) throws IllegalArgumentException

String To Char Array Java | In this blog, we will convert a string into a character array, the conversion happens between a primitive data type and a non-primitive data type where the string is the non-primitive type and the character belongs to the primitive data type. Example for Java String To Char Array:-1. String