how to index a string code example

Example 1: character at index of string java

String str = "Grepper";
char ch = str.charAt(0);
//ch is assigned the value of G

Example 2: python index of string

string = "Hello World"
string_slice = string[1:10] # "ello Worl" (index 1 up to 10)
string_last_chars = string[-5:] # "World" (5th index from last to the end)
H = string[0] # "H"