Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 *  Copyright 2011 Peter Karich 
 * 
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 * 
 *       http://www.apache.org/licenses/LICENSE-2.0
 * 
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

public class Main {
    public static int countLetters(String str) {
        int len = str.length();
        int chars = 0;
        for (int i = 0; i < len; i++) {
            if (Character.isLetter(str.charAt(i)))
                chars++;
        }
        return chars;
    }
}