Homework Answers
for first question ArrayList in java belongs tp java.util package (choice 1)
for the second question number of rows for a 2D array can be found by length. so choice 4 is correct (grade.length)
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JAVA
The ArrayList class belongs to which package? java.util java lang java.text Java.list QUESTION 4 To...
java To access the element at row i and column / of a two-dimensional array named...
java
To access the element at row i and column / of a two-dimensional array named grades, we would use which of the following? O grades01 O grades(1) grades grades[J] QUESTION 6 Which of the following are errors in this syntax declaring a two-dimensional array? datatype [4) (0] [3] arrayNam: The brackets must be empty There must be two brackets, not three The syntax must end in a semicolon, not a colon All of these are errors in the syntax
java QUESTION 14 When processing all the elements of row 1 of a two-dimensional array named...
java
QUESTION 14 When processing all the elements of row 1 of a two-dimensional array named grades using a for loop with variable V. What is the condition of the for loop? length grades[] length grades length grades.length QUESTION 16 The name of the method that enables us to append an element to the end of an ArrayList is Tina o add append o insert
Those questions are about Java. Question 2 Which of the following is NOT a wrapper class?...
Those questions are about Java. Question 2 Which of the following is NOT a wrapper class? Integer Double String Character Flag this Question Question 3 Which of the following kinds of things may be stored directly in an ArrayList? None of the above primitive values Either of these two kinds of data object references Flag this Question Question 4 In this declaration: ArrayList<Point> polygon; what do we call 'Point'? a type argument a wrapper class a collection a variable Flag...
I need assistance writing the following Java class. Design a class named Location for locating a...
I need assistance writing the following Java class. Design a class named Location for locating a maximal value and its location in a two-dimensional array. The class contains public data fields row, column, and maxValue that store the maximal value and its indices in a two-dimensional array with row and column as int types and maxValue as a double type. Write the following method that returns the location of the largest element in a two-dimensional array: public static Location locateLargest(double[][]...
Complete code and answer question in comments: Package hw4; import java.util.ArrayList; public c...
Complete code and answer question in comments: Package hw4; import java.util.ArrayList; public class WordGame { /* * Returns all strings that appear * as a consecutive horizontal or vertical sequence of letters * (left-right, right-left, up-down, or down-up) * in the array board and also appear in dict. * Note that the same word may appear multiple times * on the board, and will then be multiple times in * the returned array. * * dict is assumed to be...
JAVA When a two dimensional array of data type boolean get instantiated, the array elements are...
JAVA
When a two dimensional array of data type boolean get instantiated, the array elements are given a default value of true false 0 null QUESTION 2 How do you declare an ArrayList object reference of Book objects named books? O ArrayList books O ArrayList<> books ArrayListBook books ArrayList books Book
this language is JAVA 2. Design a class named Location for locating a maximum value and...
this language is JAVA
2. Design a class named Location for locating a maximum value and its location in a two-dimensional array. The class contains public data fields row, column, and maxValue that store the maximal value and its indices in a two-dimensional array with row and column as int types and maxValue as a double type. Write the following method that returns the location of the largest element in a two-dimensional array: Public static Location locateLargest(double [][] a) Create...
java classes. If we want to store primitive data types in an ArrayList object, then we...
java
classes. If we want to store primitive data types in an ArrayList object, then we should use accessor mutator static wrapper QUESTION 10 What is the purpose of this code? for (int i = 0; i < arrayName.length; i++ X for (int j - 0) < arrayNamelij length; j++ X Il process element arrayName[001 ) - it is the general pattern for processing the elements of a two-dimensional array called arrayName in column- first row second order It is...
JAVA PROGRAMMING PLEASE This lab has three parts: Create an ArrayList class. Create a LinkedList class....
JAVA PROGRAMMING PLEASE This lab has three parts: Create an ArrayList class. Create a LinkedList class. Print out the results after testing each of the methods in both of the classes and solving a simple problem with them. Task 1 – ArrayList Class Create an ArrayList class. This is a class that uses an internal array, but manipulates the array so that the array can be dynamically changed. This class should contain a default and overloaded constructor, where the default...
please use java language please used ArrayList The Lo Shu Magic Square is a grid with...
please use java language
please used ArrayList
The Lo Shu Magic Square is a grid with 3 rows and 3 columns, shown in Figure 7-31. The • The sum of each row, each column, and each diagonal all add up to the same number 20. Lo Shu Magic Square Lo Shu Magic Square has the following properties: • The grid contains the numbers 1 through 9 exactly. This is shown in Figure 7-32. In a program you can simulate a...
java
To access the element at row i and column / of a two-dimensional array named grades, we would use which of the following? O grades01 O grades(1) grades grades[J] QUESTION 6 Which of the following are errors in this syntax declaring a two-dimensional array? datatype [4) (0] [3] arrayNam: The brackets must be empty There must be two brackets, not three The syntax must end in a semicolon, not a colon All of these are errors in the syntax
java
QUESTION 14 When processing all the elements of row 1 of a two-dimensional array named grades using a for loop with variable V. What is the condition of the for loop? length grades[] length grades length grades.length QUESTION 16 The name of the method that enables us to append an element to the end of an ArrayList is Tina o add append o insert
JAVA
When a two dimensional array of data type boolean get instantiated, the array elements are given a default value of true false 0 null QUESTION 2 How do you declare an ArrayList object reference of Book objects named books? O ArrayList books O ArrayList<> books ArrayListBook books ArrayList books Book
this language is JAVA
2. Design a class named Location for locating a maximum value and its location in a two-dimensional array. The class contains public data fields row, column, and maxValue that store the maximal value and its indices in a two-dimensional array with row and column as int types and maxValue as a double type. Write the following method that returns the location of the largest element in a two-dimensional array: Public static Location locateLargest(double [][] a) Create...
java
classes. If we want to store primitive data types in an ArrayList object, then we should use accessor mutator static wrapper QUESTION 10 What is the purpose of this code? for (int i = 0; i < arrayName.length; i++ X for (int j - 0) < arrayNamelij length; j++ X Il process element arrayName[001 ) - it is the general pattern for processing the elements of a two-dimensional array called arrayName in column- first row second order It is...
please use java language
please used ArrayList
The Lo Shu Magic Square is a grid with 3 rows and 3 columns, shown in Figure 7-31. The • The sum of each row, each column, and each diagonal all add up to the same number 20. Lo Shu Magic Square Lo Shu Magic Square has the following properties: • The grid contains the numbers 1 through 9 exactly. This is shown in Figure 7-32. In a program you can simulate a...
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