2023 Homework 2 CMSC 335 Answer all of the following questions in a Word or PDF document and submit the | Assignment Collections

Homework 2 CMSC 335 Answer all of the following questions in a Word (or PDF) document and submit the document to your assignments folder. Be sure to complete all the readings and videos for the week before attempting this homework. Be sure that your answers a clear by using line numbers and detailed class/field/variables names. 1. (10 pts) What are the diagrams defined in the UML Standard. Give a one or two sentence description of each one. 2. (10 pts) Given the following code, how should the toString methods in the classes H2ClassA and H2ClassB be written to give the indicated output and take advantage of the natural toString method in H2ClassB? 1 import java.util.ArrayList; 2 3 public class H2ClassA { 4 ArrayList list = new ArrayList (); 5 6 public static void main (String args []) { 7 H2ClassA y = new H2ClassA (); 8 int [] v = {4, 3, 7, 5, 99, 3}; 9 for (int m: v) 10 y.list.add (new H2ClassB (m)); 11 System.out.println (y); 12 } //end main 13 14 } //end class H2ClassA 15 16 class H2ClassB { 17 int x; 18 H2ClassB (int a) { x = a;} 19 } //end H2ClassB OUTPUT: 4 3 7 5 99 3 3. (10 pts) How can the following code be corrected? Give at least two good answers. 1 public class H2ClassC { 2 H2ClassC (int a) {} 3 } //end class H2ClassC 4 5 class H2ClassD extends H2ClassC{ 6 } //end class H2ClassD 4. (10 pts) Why does the following code give a compiler error? How should it be fixed? 1 public class H2ClassE { 2 int x, y, z; 3 4 H2ClassE (int a) { 5 x = a; 6 this (5, 12); 7 } 8 9 H2ClassE (int b, int c) { 10 y = b; 11 z = c; 12 } 13 } //end class H2ClassE 5. (10 pts) What is wrong with the following declaration? How should it be fixed? public static final int myNumber = 17.36; 6. (10 pts) What is wrong with the following code? How should it be fixed? 1 public class H2ClassG { 2 final int x; 3 4 H2ClassG () {} 5 H2ClassG (int a) {x = a;} 6 } //end class H2ClassG 7. (10 pts) What is wrong with the following code? How should it be fixed? 1 public class…