Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
//License from project: LGPL 

import java.util.Map;

import java.util.function.Function;

import java.util.stream.Collector;
import java.util.stream.Collectors;

public class Main {
    /**
     * Returns a collector that computes the distribution of the provided elements. This effectively counts how many
     * times an item has appeared in a stream.
     *
     * @param <T>
     *            the counted type
     * @return the distribution collector
     */
    public static <T> Collector<T, ?, Map<T, Long>> distribution() {
        return Collectors.groupingBy(Function.identity(), Collectors.counting());
    }
}