In Java run through Eclipse,

import java.util.ArrayList; import java.util.HashMap; import java.util.Map;

public class MapAnd2DArrayProblems { /** * In this problem, you are given a 2D array of int * You are to compute and return the sum of all the odd integers * found in the 2D array. * * Operation: sumOfAllOddNumbers * * Incoming values: * @param a1: int[][] * @return int - a sum of all the numbers in a1 which are odd * * Hint: The modulus operator may be helpful: * (x % y) gives the remainder of x divided by y. * * Example 1 * Incoming value: * a1 = {{47, 55}, {23, 7}} * * Outgoing value: * 132 * * * Example 2 * Incoming value: * a1 = {{46, 22}, {0, 100}} * * Outgoing value: * 0 * */ public static int sumOfAllOddNumbers(int[][] a1)[ return 0; } //sumOfAllOddNumbers /** * In this problem, you are given a 2D array of int * You are find the smallest number in each column of the 2D array * and return these numbers in an ArrayList where location zero of the * ArrayList contains the smallest number from column zero, location one * of the ArrayList contains the smallest number from column one, and so on. * * Operation: getColumnMinimums * * Incoming values: * @param a1: int[][] * * Outgoing value: * @return: ArrayList - where ... * location zero of ArrayList contains the smallest value found in column zero of a1 * location one of ArrayList contains the smallest value found in column one of a1 * location two of ArrayList contains the smallest value found in column two of a1 * etc. * * Example 1 * Incoming value: * a1 = {{47, -55}, {23, 7}} * * Outgoing value: * [23, -55] * * * Example 2 * Incoming value: * a1 = {{10, 17, -5}, {32, 5, 7}, {3, 7, 1}} * * Outgoing value: * [3, 5, -5] * */ public static ArrayList getColumnMinimums(int[][] a1) { return result; } // getColumnMinimums /** * In this problem, you are given two parameters: * m1 a Map * eyeColor a String * * The Key is a String containing a person's name * The Value is a String containing a date of birth and eye color separated by a colon, i.e., ':' * The format for the Value is mm-dd-yyyy:eye-color * An example value is: 05-01-1993:blue * * You are to search Map m1 and return a count that indicates how many Values have * the eye color specified by the eyeColor parameter * * Operation: countEyeColor * * Incoming values: * @param m1: Map * @param eyeColor: String * * Outgoing value: * @return int - a count of the number values in m1 that contain eyeColor * * * Example 1 * Incoming values: * m1 = {Zoe=05-09-2007:hazel, Liam=05-01-1993:blue, Eli=07-14-2010:gray, Sarah=03-14-2001:blue} * eyeColor=blue * Outgoing value: * 2 is returned because Liam and Sarah have eye color blue * * Example 2 * Incoming values: * m1 = {Zoe=05-09-2007:hazel, Liam=05-01-1993:blue, Eli=07-14-2010:gray, Sarah=03-14-2001:blue} * eyeColor=orange * Outgoing value: * 0 is returned because no one has eye color orange * */ public static int countEyeColor(Map m1, String eyeColor) { return count; } // countEyeColor // ----------------------------------------------------------------------------- /** * In this problem, you are given three parameters: * m1 a Map * currentEyeColor a String * newEyeColor a String * * The Key is a String containing a person's name * The Value is a String containing a date of birth and eye color separated by a colon, i.e., ':' * The format for the Value is mm-dd-yyyy:eye-color * An example value is: 05-01-1993:blue * * You are to modify Map m1 by changing all Values that have currentEyeColor to have newEyeColor * * Operation: changeEyeColor * * Incoming values: * @param m1: Map * @param currentEyeColor: String * @param newEyeColor: String * * Outgoing Map m1 is same as incoming Map m1, except each value in the incoming Map m1 * that contains an eye color equal to currentEyeColor has that eye color changed to * the newEyeColor in the outgoing Map m1 * * Example 1 * Incoming values: * m1 = {Zoe=05-09-2007:hazel, Liam=05-01-1993:blue, Eli=07-14-2010:gray, Sarah=03-14-2001:blue} * currentEyeColor=blue * newEyeColor=orange * Outgoing Map: * m1 = {Zoe=05-09-2007:hazel, Liam=05-01-1993:orange, Eli=07-14-2010:gray, Sarah=03-14-2001:orange} * * * Example 2 * Incoming values: * m1 = {Zoe=05-09-2007:hazel, Liam=05-01-1993:blue, Eli=07-14-2010:gray, Sarah=03-14-2001:blue} * currentEyeColor=blue * newEyeColor=orange * Outgoing Map: * m1 = {Zoe=05-09-2007:hazel, Liam=05-01-1993:orange, Eli=07-14-2010:gray, Sarah=03-14-2001:orange} * */ public static void changeEyeColor(Map m1, String currentEyeColor, String newEyeColor) { } } // changeEyeColor

}