Question

How to round to 2 decimal places in Scala

Answer 1

var number = BigDecimal(2.654)
var rounded = number.setScale(2, BigDecimal.RoundingMode.HALF_UP) 
println(rounded) 
 
number = BigDecimal(2.655)
rounded = number.setScale(2, BigDecimal.RoundingMode.HALF_UP) 
println(rounded) 
 
 
 
/*
run:
     
2.65
2.66
   
*/

 

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Answer 2

var number = math.BigDecimal(2.645)
println(f"$number%.2f")

number = math.BigDecimal(2.659)
println(f"$number%.2f")


/*
run:
    
2.65
2.66
  
*/

 

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