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Luda [366]
3 years ago
15

When an instance of a class, or object, is specified as a parameter to a method, a reference to the said object is passed to the

method?
Computers and Technology
1 answer:
OLEGan [10]3 years ago
5 0
Or pointer

VERY similar.
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Google is the most popular:
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Google is the most popular C) Search engine.

  Explore for erudition regarding an individual or anything at the Internet by the usage of the search engine  ---> Google.

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Serena is adding headers and footers in the Slide Master view using the Header and Footer dialog box What is not
sergiy2304 [10]

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NUMBER 3

Explanation:

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Design a GUI program as follows: The program will open up a window that contains a read-only text box and 2 buttons. One button
Marizza181 [45]

Answer:

Kindly note that, you're to replace "at" with shift 2 as the brainly text editor can't accept the symbol

Explanation:

A graphical user interface (GUI) allows a user to interact with a computer program using a pointing device that manipulates small pictures on a computer screen. The small pictures are called icons or widgets. Various types of pointing devices can be used, such as a mouse, a stylus pen, or a human finger on a touch screen

import java.awt.Color;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JPanel;

import javax.swing.JTextField;

public class LuckyButtons {

  static JFrame frame = new JFrame("Lucky Buttons");

  static JPanel panel = new JPanel();

  public static void main(String s[]) {

      panel.setLayout(null);

      final JTextField txt1 = new JTextField(10);

      txt1.setBounds(200, 50, 100, 30);

      // password field

      final JTextField txt2 = new JTextField(10);

      txt2.setBounds(320, 50, 100, 30);

      txt1.setEnabled(false);

      txt2.setEnabled(false);

      JButton btn1 = new JButton();

      btn1.setText("I feel lucky! :)");

      btn1.setBounds(200, 150, 130, 20);

      JButton btn2 = new JButton();

      btn2.setText("I don't feel lucky :(");

      btn2.setBounds(350, 150, 150, 20);

      btn1.addActionListener(new ActionListener() {

           "at"Override

          public void actionPerformed(ActionEvent aE) {

                  txt1.setText("I feel lucky! :)");

                  txt2.setText("I feel lucky! :)");

                  panel.setBackground(Color.red);

          }

      });

      btn2.addActionListener(new ActionListener() {

          "at"Override

          public void actionPerformed(ActionEvent aE) {

              txt1.setText("I don't feel lucky :(");

              txt2.setText("I don't feel lucky :(");

              panel.setBackground(Color.white);

          }

      });

      panel.add(txt1);

      panel.add(txt2);

      panel.add(btn1);

      panel.add(btn2);

     

      frame.add(panel);

      frame.setSize(600, 300);

      frame.setLocationRelativeTo(null);

      frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

      frame.setVisible(true);

  }

}

Kindly check the attached image below for the code output.

6 0
3 years ago
Assume the following two classes as Person and Working: class Person { int personID, age; String fName, middleName, lastName; ..
Troyanec [42]

Answer:

A)

This is an example of tight coupling since the class Working has to have an idea of how Person is implemented to complete its own implementation.

B)

Any change in the Person class would require a change in the working class too.

C)

CODE

class Person {

int personID, age;

String fName, middleName, lastName;

public int getAge() {

return age;

}

}

// end of Person class

class Working extends Person {

boolean isUnderEighteen() {

if (super.getAge() <18) {

System.out.println("The person is under age and cannot work");

return true;

}

else {

System.out.println("The person can legitimately work");

return false;

}

}

}

Explanation:

4 0
3 years ago
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