QUESTION 1 In Java, all variables declared using a class are ____. a. reference variables b....
QUESTION 1
-
In Java, all variables declared using a class are ____.
a. reference variables
b. constants
c. primitive variables
d. operators
1 points
QUESTION 2
-
An expression such as str.length(); is an example of a(n) ____.
a. system call
b. method call
c. object call
d. class
1 points
QUESTION 3
-
Consider the following statements.
double x;
String y;
y = String.format( "%.2f", x);
If x = 285.679, what is the value of y?a. "285.00"
b. "285.680"
c. "285.68"
d. "285.068"
1 points
QUESTION 4
-
A(n) ____ is a method of a class that is automatically executed when an object of the class is created.
a. constructor
b. interface
c. inheritance
d. package
1 points
QUESTION 5
-
Which of the following is a reserved word in Java?
a. inheritance
b. extends
c. event
d. pane
1 points
QUESTION 6
-
If Shape is a class and you create a new class Rectangle that extends Shape, then Shape is a(n) ____ and Rectangle is a(n) ____.
Which word goes in the first blank in the sentence above?a. superclass
b. inherited class
c. subclass
d. package
1 points
QUESTION 7
-
Which modifier is used to build classes on top of classes that are interfaces?
a. public
b. implements
c. new
d. private
1 points
QUESTION 8
-
Write a program that takes as input the pay rate and hours worked of an employee and calculates the pay of the employee.
Based on the problem statement above, which of the following would most likely be chosen as the class?a. Pay
b. Hours_Worked
c. Pay_Rate
d. Employee
1 points
QUESTION 9
-
Write a program that takes as input the pay rate and hours worked of an employee and calculates the pay of the employee.
Based on the problem statement above, which of the following would be a data member?a. job
b. hoursWorked
c. pay
d. employee
Homework Answers
Please Note:
I have answered the first 4 questions as per the Chegg Answering
Guidelines. Please Re-post for the other Questions.
Answer)
QUESTION 1
a. reference variables - are the variables which are declared in
the class.
QUESTION 2
b. method call - length() is the method which is called here, thus
it is known as a method call
QUESTION 3
c. "285.68" - is the output of the above code. The value is
approximated to 285.68 till 2 characters to the right
QUESTION 4
a. constructor - is such a method which is called as soon as the
class object is loaded.
Add Answer to:
QUESTION 1
In Java, all variables declared using a class are ____.
a.
reference variables
b....
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Java code for the following inheritance hierarchy figure.. 1. Create class Point, with two private instance...
Java code for the following inheritance hierarchy figure..
1. Create class Point, with two private
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Provide constructor for initialising two instance variables.
Provide set and get methods
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Shape.java will be the parent class and will contain a Point
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My Java code from last assignment:
Previous Java code:
public static
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// While loop set-up
boolean flag = true;
while (flag) {
Scanner sc = new
Scanner(System.in);
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My Java code from last assignment: Previous Java code: public static void main(String args[]) { //...
My Java code from last assignment:
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public static
void main(String args[]) {
// While loop set-up
boolean flag = true;
while (flag) {
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Scanner(System.in);
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System.out.print("Enter employee
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int employee_number = sc.nextInt();
// Ask user to enter last name
System.out.print("Enter employee last
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Java code for the following inheritance hierarchy figure..
1. Create class Point, with two private
instance variables x and y that represented for the coordinates for
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Provide constructor for initialising two instance variables.
Provide set and get methods
for each instance variable,
Provide toString method to return formatted
string for a point coordinates.
2. Create class Circle, its inheritance from
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Provide a integer private
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Provide constructor to
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Using the IST Linux system create the following Java command
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My Java code from last assignment:
Previous Java code:
public static
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// While loop set-up
boolean flag = true;
while (flag) {
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int employee_number = sc.nextInt();
// Ask user to enter last name
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name: ");
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// Ask user to enter number of hours worked
System.out.print("Enter number of
hours worked: ");
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My Java code from last assignment:
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// While loop set-up
boolean flag = true;
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int employee_number = sc.nextInt();
// Ask user to enter last name
System.out.print("Enter employee last
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String last_name = sc.next();
// Ask user to enter number of hours worked
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