JAVA/ScannerEx1.java at main · joo1124/JAVA · GitHub

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import java.util.Scanner;

public class ScannerEx1 {

public static void main(String[] args) {


	Scanner scanner = new Scanner(System.in);
	System.out.print("연산>> ");

	float n1 = scanner.nextFloat();
	String Operator = scanner.next();
	float n2 = scanner.nextFloat();


	if(n2 == 0 && Operator.equals("/")) {
		System.out.println("0으로 나눌 수 없습니다.");
		scanner.close();
		return;
}


	if(Operator.equals("+")){
	System.out.println((int)(n1) + Operator + (int)(n2) + "의 계산 결과는 "+ (int)(n1+n2));
}
	else if(Operator.equals("-")){
		System.out.println((int)(n1) + Operator + (int)(n2) + "의 계산 결과는 "+ (int)(n1-n2));
}
	else if(Operator.equals("*")){
		System.out.println((int)(n1) + Operator + (int)(n2) + "의 계산 결과는 "+ (int)(n1*n2));
}

	else if(Operator.equals("/")){
	System.out.println((int)(n1) + Operator + (int)(n2) + "의 계산 결과는 "+ (int)(n1/n2));

}
	scanner.close();
}

}