Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {
    public static int expectedNumberOfSets(int setSize, int subSetSize) {
        if (setSize < subSetSize) {
            // Not enough sources
            throw new IllegalArgumentException(
                    "Cannot create subsets of size " + subSetSize + " out of set of size " + setSize);
        }
        int expectedNumberOfSets = 1;
        int divider = 1;
        for (int i = 0; i < (setSize - subSetSize); i++) {
            expectedNumberOfSets *= setSize - i;
            divider *= i + 1;
        }
        return expectedNumberOfSets / divider;
    }
}