js get first 3 characters of string
const string = "0123456789";
console.log(string.slice(0, 2)); // "01"
console.log(string.slice(0, 8)); // "01234567"
console.log(string.slice(3, 7)); // "3456"js get first 3 characters of string
const string = "0123456789";
console.log(string.slice(0, 2)); // "01"
console.log(string.slice(0, 8)); // "01234567"
console.log(string.slice(3, 7)); // "3456"substring javascript
var str = "Hello world!";
var res = str.substring(1, 4); //ellhow to do substring java
class Main {
public static void main (String[] args) {
String str = "Hello World!";
String firstWord = str.substring(0, 5);
//two parameters are start and end index: (inclusive, non-inclusive)
String secondWord = str.substring(6, 11);
//firstWord has string "Hello"
//secondWord has string "World"
}
}str.substring if 2 letters
public String firstTwo(String str) {
return str.length() < 2 ? str : str.substring(0, 2);
}Copyright © 2021 Codeinu
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