Main.java Source code

Java tutorial

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Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import java.util.Iterator;

public class Main {
    /**
     * Calculates the number of generated elements of the given iterable.
     *
     * @param <T> The type of elements enumerated by the given iterable.
     * @param iterable The given iterable.
     * @return The number of elements generated by the iterable.
     */
    public static <T> int size(final Iterable<T> iterable) {
        if (iterable != null) {
            return size(iterable.iterator());
        } else {
            return 0x00;
        }
    }

    /**
     * Calculates the number of generated elements of the given iterator.
     *
     * @param <T> The type of elements enumerated by the given iterator.
     * @param iterator The given iterator.
     * @return The number of elements generated by the iterator.
     */
    public static <T> int size(final Iterator<T> iterator) {
        int n = 0x00;
        if (iterator != null) {
            while (iterator.hasNext()) {
                iterator.next();
                n++;
            }
        }
        return n;
    }
}