Question: A JFrame contains a JButton named button1 that should execute an actionPerformed() method when clicked. Which statement is needed in the JFrame class? a. addActionListener(this);

A JFrame contains a JButton named button1 that should execute an actionPerformed() method when clicked. Which statement is needed in the JFrame class?
a. addActionListener(this);
b. addActionListener(button1);
c. button1.addActionListener(this);
d. this.addActionListener(button1);

Step by Step Solution

★★★★★

3.46 Rating (166 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Java Programming Questions!

a. Write an application that instantiates a JFrame that contains a JButton. Disable the JButton after the user clicks it. Save the file as JFrameDisableButton.java. b. Modify the JFrameDisableButton...

a. Write an application that displays a JFrame containing the opening sentence or two from your favorite book. Save the file as JBookQuote.java. b. Add a button to the frame in the JBookQuote...

Suppose that a class named Bicycle contains a private nonstatic integer named height, a public nonstatic String named model, and a public static integer named wheels. Which of the following are legal...

1 . A JFrame is a descendant of each of the following classes except the class. a . Component b . Container c . Jar d . Window 2 . Unlike a Window, a JFrame . a . has a title bar and border b . can...

4. A class that will respond to button press events must use which phrase in its header? Point 20 a. import java.event b. extends Action c. extends JFrame d. implements ActionListener Ans: AJFrame...

Hello, In Java , I'm trying to develop a GUI for a user to log in. It should prompt the user to type in and submit a username, and then ask them to submit their password which it validates. The...

Please help me on this assignment! It's Java! Create a new class called Lab18GOM that is extended from JFrame. Make sure you store it in a file called Lab18GOM.java Enter your personal information at...

JAVA PROGRAMMING: TOPICS Graphical User Interfaces (GUI) DESCRIPTION Write a GUI (Graphical User Interface) application that will have the following GUI components: 1. A read-only JTextField object...

Java Programming: TOPICS Graphical User Interfaces (GUI) DESCRIPTION Write a GUI (Graphical User Interface) application that will have the following GUI components: 1. A read-only JTextField object...

IN JAVA USING NETBEANS: Step-By-Step Instructions Step 1 Create a class called HowMuch that is extended from JFrame . Make sure you have created a constructor that opens your application, sets it's...

1. In a hydraulic system a 20.0-N force is applied to the small piston with cross-sectional area 25.0 cm2. What weight can be lifted by the large piston with cross-sectional area 50.0 cm2? 2. If the...

Choose one consumer each that belongs to the second and third trophic levels from the organisms given below: Eagle, frog, tiger, rabbit, box.

Which of the following classes of stock is not allowed to be used in a 5 3 5 1 transaction ? Multiple Choice Voting common stock Nonvoting preferred stock All of these classes of stock can be used in...

2 What do economists mean when they say that resource allocation is ideal or effi- cient? Why is it sometimes argued that a purely competitive economy will allocate goods ideally? Explain.

Write a program that displays all the numbers from 100 to 200, ten per line, that are divisible by 5 or 6, but not both. Numbers are separated by exactly one space.

Use a while loop to find the smallest integer n such that n2 is greater than 12,000.

Use a while loop to find the largest integer n such that n3 is less than 12,000.

5.20 Problem 5.20 Find the future value of an investment of $3,900 made today for the following rates and periods: (If you solve this problem with algebra round intermediate calculations to 6 decimal...

0 1. Pine Company expects to sell 900 wreaths in December 2018, but wants to plan for 200 more and 175 less than expected. The wreaths sel for $8.00 each and have variable costs of $500 each. Fixed...

Mariela understands Tax-Free Savings Account (TFSA) but also understands that the available contribution room can be tricky to calculate. See Table C to help with your responses. She knows the...