2. (5 points) Trace the execution of the code below in the memory diagram. Based on your diagram, give the value that will be printed out when the program is executed. import java.util.Arrays; public class Homework12 { public static void main(String[] args) { } Output: int[] first int[] second = {2, 5, 3}; = {1, 5, 7}; } difference2(first, second); System.out.println(Arrays.toString(first));B public static void difference2(int[] initial, int[] subtract) { int[] result = Arrays.copyOf(initial, initial.length); for (int index=0; index < initial.length && index subtract.length%3B ++index) { result[index] = initial [index] - subtract [index]; } initial result;B = Heap Identifier Address Contents main stack frame 1000 Identifier Address Address Contents 100 101 102 103 104 1001 1002 1003 1004 1005 1006 1007 1008 difference2 stack frame 1009 Identifier Address Contents 1010 200 1011 201 1012 202 1013 203 1014 204 205 206 3. (5 points) Trace the execution of the code below in the memory diagram. Based on your diagram, give the value that will be printed out when the program is executed. import java.util.Arrays; public class Homework12 { public static void main(String[] args) { int[] first int[] second = {2, 5, 3}; = {1, 5, 7}; } difference3(first, second); System.out.println(Arrays.toString(first)); public static int[] difference 3 (int[] initial, int[] subtract) { int[] result = Arrays.copyOf(initial, initial.length); for (int index=0; index < initial.length && index < subtract.length; ++index) { result[index] = initial [index] - subtract [index]; } return result; } } Output: main stack frame Identifier Address Address Contents Heap Identifier Address Contents 1000 1001 100 101 102 103 104 1002 1003 1004 1005 1006 1007 1008 difference3 stack frame Identifier Address Contents 1009 1010 200 1011 201 1012 202 1013 203 1014 204 4. (5 points) Trace the execution of the code below in the memory diagram. Based on your diagram, give the value that will be printed out when the program is executed. import java.util.Arrays; public class Homework12 { public static void main(String[] args) { int[] first = {2, 5, 3}; int[] second = {1, 5, 7}; } first difference4(first, second); = System.out.println(Arrays.toString(first)); public static int[] difference4(int[] initial, int[] subtract) { int[] result = Arrays.copyOf(initial, initial.length); for (int index=0; index < initial.length && index < subtract.length; ++index) } } Output: { result[index] = initial [index] - subtract [index]; } return result; Heap main stack frame Identifier Address Contents Identifier Address Contents 1000 1001 100 101 102 103 104 1002 1003 1004 1005 1006 1007 1008 difference4 stack frame 1009 Identifier Address Contents 1010 200 1011 201 1012 202 1013 203 1014 204