round up to 2 decimal places in java?
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I have read a lot of stackoverflow questions but none seems to be working for me. i am using `math.round()` to round off.
this is the code:

    class round{
    	public static void main(String args[]){
		
		double a = 123.13698;
		double roundOff = Math.round(a*100)/100;
		
		System.out.println(roundOff);
	}
    }

the output i get is: `123` but i want it to be `123.14`. i read that adding `*100/100` will help but as you can see i didn't manage to get it to work.

it is absolutely essential for both input and output to be a double.

i am a beginner at java and that is why i am a troubled guy.

it would be great great help if you change the line 4 of the code above and post it.

thanks a ton! 