public void onClick(View view) { //declare variables double a,b,c; //text values from x and y String S1= inputXEdit_Text.getText().toString(); String S2 = inputYEdit_Text.getText().toString(); a= Double.parseDouble(S1); b= Double.parseDouble(S2); //adding operation with variables c=a+b; //c=a-b; // convert the answer to a number String s=Double.toString(c); //display result it textView textView.setText(s); Please help to add math operations(-, * , / ) on Java

public void onClick(View view) { //declare variables double a,b,c; //text values from x and y String S1= inputXEdit_Text.getText().toString(); String S2 = inputYEdit_Text.getText().toString(); a= Double.parseDouble(S1); b= Double.parseDouble(S2); //adding operation with variables c=a+b; //c=a-b; // convert the answer to a number String s=Double.toString(c); //display result it textView textView.setText(s); Please help to add math operations(-, * , / ) on Java

New Perspectives on HTML5, CSS3, and JavaScript

6th Edition

ISBN:9781305503922

Author:Patrick M. Carey

Publisher:Patrick M. Carey

Chapter3: Designing A Page Layout: Creating A Website For A Chocolatier

Section3.3: Visual Overview: Layout With Positioning Styles

Problem 4QC

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3. Go to the project05-01.js file in your code editor. Below the initial code at the top of the file declare the timeID variable but do not set an initial value. 4. Declare the questionList variable, storing in it the node list created by the querySelectorAll() method using “div#quiz input" as the CSS selector. 5. Add an onclick event handler to the startQuiz object, running an anonymous function that sets the class attribute of the overlay object to “showquiz" and repeats the countdown () function every 1 second (every 1000 milliseconds), storing the id of the timed command in the global timeID variable you declared in Step 3. 6. Create the countdown () function to update the quiz clock. Within the function create an if else statement that tests whether the value of the timeLeft variable is equal to 0. If it is equal to 0, do the following: a. Use the clearInterval() method to cancel the timed command with the variable timeID. b. Declare a variable named totalCorrect and set it equal…
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