Answer:
the indexOf() method
Explanation:
The indexOf() method in java returns the first occurrence of the of the string or a character specified in it.It can be used to search both a character or a string.
for example:-
import java.util.*;
import java.lang.*;
import java.io.*;
class indexOf
{
public static void main (String[] args)
{
String s="IamNumber4";
int l=s.indexOf("Num");//using indexOf() method on string object..
System.out.println(l);
}
}
Output:-
3
