get first character of string java
var string = "freeCodecamp";
string.charAt(0); // Returns "f"get first character of string java
var string = "freeCodecamp";
string.charAt(0); // Returns "f"String indexOf(String str int fromIndex) method in java
import java.util.*;
public class StringIndexOfMethodExample
{
public static void main(String[] args)
{
String strInput = new String("hello world core java");
String strSub = new String("core");
System.out.print("Index found: " );
System.out.println(strInput.indexOf(strSub, 3));
}
}java indexof not found
The java string indexOf() method returns index of given character value or substring. If it is not found, it returns -1. The index counter starts from zero.Copyright © 2021 Codeinu
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