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Question 18 Which of the following is not a method of the class JTextField? setText setEditable...
How can i make the java class seperate into an MVC pattern? public class ChatView implements Acti...
How can i make the java class seperate into an MVC pattern? public class ChatView implements ActionListener { public static void main(String[] args) { JFrame chatFrame = new JFrame(); JFrame chatFrame1 = new JFrame(); JFrame chatFrame2 = new JFrame(); JPanel chatPanel = new JPanel(); JPanel chatPanel1 = new JPanel(); JPanel chatPanel2 = new JPanel(); chatFrame.setContentPane(chatPanel); chatFrame1.setContentPane(chatPanel1); chatFrame2.setContentPane(chatPanel2); chatFrame.setLayout(new FlowLayout()); chatFrame1.setLayout(new FlowLayout()); chatFrame2.setLayout(new FlowLayout()); JTextField chatWrite = new JTextField(); JTextField chatWrite1 = new JTextField(); JTextField chatWrite2 = new JTextField(); JTextArea chatDisplay...
please help me debug this Create a GUI for an application that lets the user calculate...
please help me debug this Create a GUI for an application that lets the user calculate the hypotenuse of a right triangle. Use the Pythagorean Theorem to calculate the length of the third side. The Pythagorean Theorem states that the square of the hypotenuse of a right-triangle is equal to the sum of the squares of the opposite sides: alidate the user input so that the user must enter a double value for side A and B of the triangle....
/** * File: GradeCalculator . java * Description: Instances of this class are used to calculate...
/** * File: GradeCalculator . java * Description: Instances of this class are used to calculate * a course average and a letter grade. In order to calculate * the average and the letter grade, a GradeCalculator must store * two essential pieces of data: the number of grades and the sum * of the grades. Therefore these are declared as object properties * (instance variables). * Each time calcAverage (grade) is called, a new grade is added to *...
Implement and test a "contains" method for the LinkedStack class in the following UML. Your method...
Implement and test a "contains" method for the LinkedStack class in the following UML. Your method should return True if the item is found in the LinkedStack. Also, make sure that your method is a helper method. Design and implement a VectorStack using the UML in question 12. You must figure out which instance variables and methods your class should have at first place. Draw the UML diagram of your VectorStack, place it in the correct spot in the UML...
If Person Is a class and getName() Is a method defined In this class, which of...
If Person Is a class and getName() Is a method defined In this class, which of these statements Is a method reference? Select all that apply. getName() getName::Person Person:: getName Person.getName
6) A Timer class has a schedule method with the following method signature: class Timer func sche...
Intro to IOS development question:
6) A Timer class has a schedule method with the following method signature: class Timer func schedule( interval: Double, // in seconds repeats: Bool, callback: Void Explain why a method for scheduling a recurring timer might have a callback parameter as an argument. Create a timer instance that prints the date every 5 seconds. To get the current date use Date ) a) b)
6) A Timer class has a schedule method with the following...
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...
QUESTION 18 Which of the following variables is NOT discrete? O A. the number of Oscar...
QUESTION 18 Which of the following variables is NOT discrete? O A. the number of Oscar nominations Meryl Streep has received O B. the number of shoes in a shoe store O C. the number of women in a Statistics class D. the number of ounces in your coffee
Question 60.1 pts Which of the following is true about a concrete class? A concrete class...
Question 60.1 pts Which of the following is true about a concrete class? A concrete class may be extended. A concrete class may be instantiated. A concrete may NOT contain abstract methods. All of the above. None of the above. Flag this Question Question 70.1 pts Which of the following is true? A class extends exactly one other class and may implement any number of interfaces. A class may extend at most one concrete class, may extend any number of...
need java code for this question Question 2 (15 marks) (a) Does the following class successfully...
need java code for this question
Question 2 (15 marks) (a) Does the following class successfully compile? Explain your answer. public class MyClass public static void main(String arge) if(Integer.parseInt(args[0]) < 0) throw new RuntimeException(); C { 1 } If the class does compile, describe what will happen when we run it with command: java MyClass -10 (5 marks) (b) Write a complete definition of the method with the heading given below: public static double calculate insurance Premium double carValue, int...
Implement and test a "contains" method for the LinkedStack class in the following UML. Your method should return True if the item is found in the LinkedStack. Also, make sure that your method is a helper method. Design and implement a VectorStack using the UML in question 12. You must figure out which instance variables and methods your class should have at first place. Draw the UML diagram of your VectorStack, place it in the correct spot in the UML...
If Person Is a class and getName() Is a method defined In this class, which of these statements Is a method reference? Select all that apply. getName() getName::Person Person:: getName Person.getName
Intro to IOS development question:
6) A Timer class has a schedule method with the following method signature: class Timer func schedule( interval: Double, // in seconds repeats: Bool, callback: Void Explain why a method for scheduling a recurring timer might have a callback parameter as an argument. Create a timer instance that prints the date every 5 seconds. To get the current date use Date ) a) b)
6) A Timer class has a schedule method with the following...
QUESTION 18 Which of the following variables is NOT discrete? O A. the number of Oscar nominations Meryl Streep has received O B. the number of shoes in a shoe store O C. the number of women in a Statistics class D. the number of ounces in your coffee
need java code for this question
Question 2 (15 marks) (a) Does the following class successfully compile? Explain your answer. public class MyClass public static void main(String arge) if(Integer.parseInt(args[0]) < 0) throw new RuntimeException(); C { 1 } If the class does compile, describe what will happen when we run it with command: java MyClass -10 (5 marks) (b) Write a complete definition of the method with the heading given below: public static double calculate insurance Premium double carValue, int...
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