How to Round Decimals to 2 Places after the Decimal Point (Java)

Question

I am fairly new to java and I have to create this program to which I have no idea where to start. Can someone please help me with what to do and how to write the code to get

Answer 1

You could simply try this one

DecimalFormat df=new DecimalFormat("#.##");

For Tax

double totalwotax = 0.8130000000000001;
System.out.println("The tax for the subtotal is $" + df.format(totalwotax));

Output: 0.81

For Total

double totalandtax = 14.363000000000001;
System.out.println("The total for your bill with tax is $" + df.format(totalandtax));

Output: 14.36