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11.1. Exercise 1 Consider the already designed calculator GUI in the Lab 09, add event handling on every button. • C button: clear the text field <- button: remove the last number. When selecting OFF radio button, make all buttons disabled (btn.setEnabled(false)) The function of radio button ON is the opposite of OFF; when selected, it will

11.1. Exercise 1 Consider the already designed calculator GUI in the Lab 09, add event handling on every button. • C button: clear the text field <- button: remove the last number. When selecting OFF radio button, make all buttons disabled (btn.setEnabled(false)) The function of radio button ON is the opposite of OFF; when selected, it will

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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11.1. Exercise 1 Consider the already designed calculator GUI in the Lab 09, add event handling on every button. C button: clear the text field <- button: remove the last number. When selecting OFF radio button, make all buttons disabled (btn.setEnabled(false)) The function of radio button ON is the opposite of OFF; when selected, it will make all buttons enabled (btn.setEnabled(true)). My Calculator ON + OFF 7 8 9 4 5 6. 1 2
Transcribed Image Text:11.1. Exercise 1 Consider the already designed calculator GUI in the Lab 09, add event handling on every button. C button: clear the text field <- button: remove the last number. When selecting OFF radio button, make all buttons disabled (btn.setEnabled(false)) The function of radio button ON is the opposite of OFF; when selected, it will make all buttons enabled (btn.setEnabled(true)). My Calculator ON + OFF 7 8 9 4 5 6. 1 2
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