public class Demo2
{
    public static void main(String[] args)
    {
        int x;
        double y;
        String s;
        
        s = "123" + 1;       // Not equal to 123+1
        x = 123 + 1;
        
        s = "3.14159" + 1;  // Not equal to 4.14159
        y = 3.14159 + 1;
    }
}