public class BPIH2E2B
{  public static void main(String[] args) 
         {
         int number1=1;
         int number2=2;
         number1+=number2;
         String s="number1+= : "+ number1+"\n";
         number1-=number2;
         s+="number1-= : "+ number1+"\n";
         number1*=number2;
         s+="number1*= : "+ number1+"\n";
         number1/=number2;
         s+="number1/= : "+ number1;
         //\n newline position the screen curser 
         //   at the beginning of the new line
         //\t Horizontal tab, Move the screen cursor 
         //   to the next tab stop
         //\r Carriage return. Position the screen cursor
         //   at the beginning of the current line 
         //%s String format
         //%d int format
         System.out.printf("%s",s);
         }
}



