Прошу помочь с кодом!
Ярослав Сериков
Прошу помочь с кодом!
package calc;
//import java.lang.String;
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
// write your code here
while() {
Scanner wd = new Scanner(System.in);
System.out.print("Enter what do (1 - +; 2 - -; 3 - /; 4 - *): ");
int wd_1;
wd_1 = wd.nextInt();
switch (wd_1) {
case 1:;
Scanner num = new Scanner(System.in);
int first, second, result;
System.out.println("----------------------------");
System.out.println("Enter first number: ");
first = num.nextInt();
System.out.println("Enter second number: ");
second = num.nextInt();
result = first * second;
System.out.println("----------------------------");
System.out.print("Result is: " + result);
break;
case 2:;
Scanner num = new Scanner(System.in);
int first2, second2, result2;
System.out.println("----------------------------");
System.out.print("Enter first number: ");
first2 = num.nextInt();
System.out.print("Enter second number: ");
second2 = num.nextInt();
result2 = first2 * second2;
System.out.println("----------------------------");
System.out.print("Result is: " + result2);
break;
case3:;
Scanner num = new Scanner(System.in);
int first3, second3, result3;
System.out.println("----------------------------");
System.out.println("Enter first number: ");
first3 = num.nextInt();
System.out.println("Enter second number: ");
second3 = num.nextInt();
result = first3 * second3;
System.out.println("----------------------------");
System.out.print("Result is: " + result3);
break;
case4:;
Scanner num = new Scanner(System.in);
int first4, second4, result4;
System.out.println("----------------------------");
System.out.println("Enter first number: ");
first4 = num.nextInt();
System.out.println("Enter second number: ");
second4 = num.nextInt();
result4 = first4 * second4;
System.out.println("----------------------------");
System.out.print("Result is: " + result4);
break;
default:;
System.out.println("HelloWorld!");
}
}
}
}
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Выдает ошибку:
main.java:9: error: illegal start of expression
while() {
Прошу помочь, с кодом!
Ответы:
Imobilazer
А чего у while в скобках пусто-то?
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