キーボードから2つの整数と計算の種類を番号で入力し、計算結果を表示する switch case使用

public class ren00_51 {
public static void main(String args[]) throws IOException {

int a, b, type;

BufferedReader br =
new BufferedReader(new InputStreamReader(System.in));

System.out.print("整数１ > ");
a = Integer.parseInt(br.readLine());
System.out.print("整数２ > ");
b = Integer.parseInt(br.readLine());
System.out.print("計算の種類（１：和，２：差，３：積，４：商，５：余り） > ");
type = Integer.parseInt(br.readLine());

if(type<1 || type>5) {
System.out.println("計算の種類が誤っています");
}
else {
switch(type) {
case 1: System.out.println(a + " + " + b + " = " + (a+b) ); break;
case 2: System.out.println(a + " - " + b + " = " + (a-b) ); break;
case 3: System.out.println(a + " * " + b + " = " + (a*b) ); break;
case 4:
if(b!=0) {
System.out.println(a + " / " + b + " = " + (a/b) );
}
else {
System.out.println("計算できません");
}
break;

case 5:
if(b!=0) {
System.out.println(a + " % " + b + " = " + (a%b) );
}
else {
System.out.println("計算できません");
}
break;
}
}
}
}