how to remove first character of a string in jav code example

Example 1: java remove first character from string

String string = "Hello World";

//Remove first character
string.substring(1); //ello World

//Remove last character
string.substring(0, string.length()-1); //Hello Worl

//Remove first and last character
string.substring(1, string.length()-1); //ello Worl

Example 2: javascript delete first character in string

var oldStr ="Hello";
var newStr = oldStr.substring(1); //remove first character "ello"