Part I, AP Q&A

Ignore this!

Code for shell file

import java.util.ArrayList;
import java.util.Arrays;
import java.math.BigInteger;
public class LP0
{
    /**
     * This computes  the sum of a list of BigIntegers
     * @param a an array list of BigIntegers
     * @return the sum of the BigIntegers in a
     */
    public static BigInteger sum(ArrayList<BigInteger> a)
    {
        return null;
    }
    /**
     * This computes the sum of all entries in an array list of integers between
     * low and high, inclusive.
     * @param a an array list of integers
     * @param low the low value for the trimmed sum
     * @param high the high value for the trimmed sum
     * @return the sum of all values x in the array list so
     * low <= x <= high.
     */
    public static int trimmedSum(ArrayList<Integer> a, int low, int high)
    {
        return 0;
    }
    /**
     * This computes the product of the non-zero elements of
     * a and returns the sum of its digits.
     * @param a an array list
     * @return the sum of the digits in the product of the 
     * non-zero entries in a
     */
    public static int  finger(ArrayList<BigInteger>  a)
    {
        return 0;
    }
    /**
     * This 
     * @param a an array list of strings
     * @param cut an integer, the maximum size of the substirng
     * you are to sample from each elemnet of a
     * @return a string containing the first cut characters of 
     * elech element of the array list a concatenated together;
     * if any string is too short, the sample is the entire string.
     * examples:
     * ["a", "battery", "canary"], 4 -> "abattcana"
     * ["deadbeat", "exungulate", "foetid", "guacamole", "hi"], 5 ->
     * "deadbesungfoetiguacahi"
     */
    public static String snipSample(ArrayList<String> a, int cut)
    {
        return "";
    }
    public static void main(String[] args)
    {
        //test here
        System.out.println("We do test before we think a method is OK!");
    }
}