Create a simple calculator in Java Programming which performs the basic four
mathematical operations i.e., addition, subtraction, multiplication, and division.
Use the switch case/if else to identify the input operator to perform required
calculation and then display the result on the screen.
** Students have to use BlueJ software for the project.
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4
Answer:
here it is
Explanation:
class calc
{
public static void main(double n1, double n2,char ch)
{
double ans;
switch(ch)
{
case 1:
ans=n1+n2;
System.out.println("Addition is" + ans);
break;
case 2:
ans=n1-n2;
System.out.println("Subtraction is" + ans);
break;
case 3:
ans=n1*n2;
System.out.println("Multiplication is" + ans);
break;
case 4:
ans=n1/n2;
System.out.println("Division is" + ans);
break;
default:
System.out.println("INVALID CHOICE");
break;
}
}
}
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