package javaapplication1;
import java.io.IOException;
public class JavaApplication1 {
public static void main(String[] args) throws IOException {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < 10; i++) {
sb.append("x - ").append(i).append(" ");
}
String s = sb.toString();
System.out.println(s);
}
}
/*
run:
x - 0 x - 1 x - 2 x - 3 x - 4 x - 5 x - 6 x - 7 x - 8 x - 9
*/