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Java toCharArray() method The Java toCharArray() method converts the given string to a character array. It returns a newly created character array, its length is similar to the string and its contents are initialized with the characters of this string. Example Let’s understand the usage of the toCharArray() method with the help of the below […]

Java toUpperCase() method The Java toUpperCase() method returns the string in uppercase letters. This method converts all characters of the string into upper-case letters Example Let’s understand the toUpperCase() method with an example as shown below: package com.testingdocs.stringmethods; public class ExampleProgram { public static void main(String[] args) { String str= "This is a Sample Sentence […]

Java toLowerCase() method The Java toLowerCase() method returns the string in lowercase letters. In other words, it converts all string characters into lowercase letters. Example Let’s understand the method with the help of a program: package com.testingdocs.stringmethods; public class ExampleProgram { public static void main(String[] args) { String str= "This is a SAMPLE Sentence Example."; […]

Java indexOf() method The indexOf() method is used to find the position of a character or substring within a string. It is a part of the String class and comes in several variations. The Java indexOf() method returns the index of the given character value or the substring. If it is not found, it returns […]