CODE EXAMPLE FOR JAVA

java string character at index

/*
If you want to get the index position of a character in a String,
use this method:.charAt( <index> )
*/  
// Here's a practial example:
String str = "Grepper";
char ch = str.charAt(0);
// output: G 

/* If you want to get the index position of a word/char in a string(a Phrase/Sentence), 
you could use this method:.indexOf( <Args Str> )
Here's a practial example:
*/ 
String myStr = "This is just an example Sentence";
System.out.println(myStr.indexOf("example"));
// output: 16