Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 Copyright 2008 Flaptor (flaptor.com) 
    
 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.
 */

import java.util.Map;

public class Main {
    /**
     * given a map of ? -> Integer counting occurrences, this adds one to the occurrence
     * @param <T>
     * @param map
     * @param key
     */
    public static <T> void addOne(Map<T, Integer> map, T key) {
        Integer count = map.get(key);
        if (count == null)
            count = 0;
        map.put(key, count + 1);
    }
}