Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;

public class Main {
    public static <T> Collection<Collection<T>> split(Iterable<T> coll, int size) {
        if (size < 1) {
            return Collections.emptyList();
        }
        final List<Collection<T>> ret = new ArrayList<>();
        final Iterator<T> it = coll.iterator();
        Collection<T> box = null;
        for (int i = 0; it.hasNext(); ++i) {
            if (i % size == 0) {
                if (box != null) {
                    ret.add(box);
                }
                box = new ArrayList<>(size);
            }
            //noinspection ConstantConditions
            box.add(it.next());
        }
        if (box != null) {
            ret.add(box);
        }
        return ret;
    }
}