Java String substring()
Reverse the substrings of the given String according to the given Array of indices - GeeksforGeeks
Java String indexOf() Method Examples
How to work with indexers in C# | InfoWorld
Java String: indexOf Method - w3resource
Javarevisited: How to get first and last character of String in Java - Example
Java - Get the character at the given index within the String
How to Get the Last Character of a String in Java
Java - Get the last index of a string within a string
Java - Get the character at the given index within the String
Input a String - indexOf, substring and charAt methods of String class #9 - YouTube
10 Important String Methods In Java You Must Know
How To Index, Split, and Manipulate Strings in JavaScript | DigitalOcean
Java String charAt() Method example
java for complete beginners - indexof
How to get First and Last Character of String in Java? charAt Example | Java67
Manipulating Characters in a String (The Java™ Tutorials > Learning the Java Language > Numbers and Strings)
How to get first two characters of a string in java - InstanceOfJava
Java string.indexOf() to get position of a matching string or char inside the input string
Reverse a String in Java with Example | FavTutor
Insert a String into another String in Java - GeeksforGeeks
