48 lines
1.5 KiB
Java
48 lines
1.5 KiB
Java
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import java.util.Scanner;
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public class Calculator {
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public static void main(String args[]){
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Scanner sc = new Scanner(System.in);
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char ch = 'y',f;
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do{
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System.out.println("Enter the first number: ");
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float a = sc.nextFloat();
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System.out.println("Enter the operator (+,-,/,*): ");
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char b = sc.next().charAt(0);
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if((b != '+') && (b != '-') && (b != '/') && (b != '*') && (b != 'x')){
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System.out.println("Invalid operator.");
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}
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System.out.println("Enter the second number: ");
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float c = sc.nextFloat();
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switch(b){
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case '+':
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float d = a+c;
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System.out.println(+a+" + "+c+" = "+d);
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break;
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case '-':
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float e = a-c;
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System.out.println(+a+" - "+c+" = "+e);
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break;
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case '/':
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float g = a / c;
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System.out.println(+a+" / "+c+" = "+g);
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break;
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case 'x':
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case '*':
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float h = a*c;
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System.out.println(+a+" * "+c+" = "+h);
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break;
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}
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System.out.println("Do you want to perform another calculation (y/n)?");
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f = sc.next().charAt(0);
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} while(f == ch);
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}
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}
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