Question

Write an if/else statement that compares the double variable pH with 7.0 and makes the following assignments to the bool variables neutral, base, and acid: a. false, false, true if pH is less than 7 b. false, true, false if pH is greater than 7 c. true, false, false if pH is equal to 7

Answer 1

public class PhTester {

public static void main(String[] args) {

Scanner in = new Scanner(System.in);

System.out.println("What is the pH Value");

double pH = in.nextDouble();

boolean neutral,base,acid;

if (pH<7.0)

{

neutral=false;

base=false;

acid=true;

}

else if (pH>7.0)

{

neutral=false;

base=true;

acid=false;

}

else if (pH==7.0)

{

neutral=true;

base=false;

acid=false;

}

}

}

Step-by-step explanation:

A complete java code is given above:

1. the variables neutral, acid, base are declared as booleans

2. Scanner class is used to request the user to enter a value for the pH

3. If/else statements are used to assign values to the variables