This is my code
import java.lang.Math;
import java.io.*;
public class TestDfunction {
static void fun(float num1, float num2) throws IOException
{
BufferedReader read = new BufferedReader( new InputStreamReader(System.in));
String strNum1, strNum2;
System.out.print("Enter the first number: ");
strNum1 = read.readLine();
num1 = Float.parseFloat(strNum1);
System.out.print("Enter the second number: ");
strNum2 = read.readLine();
num2 = Float.parseFloat(strNum2);
}
static void menu()
{
System.out.println("Please choose the type of operation needs to be computed by pressing the corresponding number: ");
System.out.println("----------------------------------------------------------------------------------------------");
System.out.println(" 1. Addition");
System.out.println(" 2. Subtraction");
System.out.println(" 3. Multiplication");
System.out.println(" 4. Division");
System.out.println(" 5. Remainder");
System.out.println(" 6. Minimum");
System.out.println(" 7. Maximum");
System.out.println("----------------------------------------------------------------------------------------------");
}
public static void main(String[] args)
{
menu();
try{
BufferedReader read = new BufferedReader( new InputStreamReader(System.in));
float num11, num22;
String strChoose;
int choose;
strChoose = read.readLine();
choose = Integer.parseInt(strChoose);
System.out.println("");
while ((choose <1) || (choose >8))
{
System.out.println();
System.out.println("The number you have entered is invalid...");
menu();
strChoose = read.readLine();
choose = Integer.parseInt(strChoose);
}
switch (choose)
{
case 1:
fun(num11,num22);
System.out.println("The sum is: "+ (num11 + num22));
break;
case 2:
fun(num11,num22);
System.out.println("The diferrence is: " + (num11 - num22));
break;
case 3:
fun(num11,num22);
System.out.println("The product is: " + (num11 * num22));
break;
case 4:
fun(num11,num22);
System.out.println("The quotion is: " + (num11 / num22));
break;
case 5:
fun(num11,num22);
System.out.println("The remainder is: " + Math.IEEEremainder(num11,num22));
break;
case 6:
fun(num11,num22);
System.out.println("The smaller value is: " + Math.min(num11,num22));
break;
case 7:
fun(num11,num22);
System.out.println("The greater value is: " + Math.max(num11,num22));
break;
case 8:
System.exit(0);
}
}
catch (IOException e) {System.out.println("IO Error");}
}
}Errors:
variable num11 might not have been initialized
variable num22 might not have been initialized
