Thread: Not sure what is wrong with my code.

Hi all,
I tried to make a program that takes a string str, and char a and checks how many times the char is used in the string.
Example: the string Welcome and the letter e, is 2 times. so the program should print 2.
It compiles but when I run it and enter the information, i cannot get the printing line out.
Thanks!!

Heres my code:

import java.util.Scanner;
class program
{
public static void main(String[] args)
{
Scanner user_input=new Scanner(System.in);
String str;
String b;
System.out.print("Please enter a word");
str=user_input.next();
System.out.print("Enter the charachter you would like to check for");
b=user_input.next();
char a=b.charAt(0);
int result;
result=count(str,a);
System.out.println(" The number of times the letter " +a+ " has been used in the word " +str+ " is " +result);

}




public static int count( String str, char a)
{
int counter=0;
int i=0;
while(str.length()>i)
{
while(str.charAt(i)==a)
{
counter++;
i++;
}
str.substring(counter);
}
return counter;
}
}

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