BigDecimal.ROUND_HALF_UP : BigDecimal « java.math « Java by API

1. Java by API
2. java.math
3. BigDecimal

BigDecimal.ROUND_HALF_UP

  
import java.math.BigDecimal;

public class Main {
  public static void main(String args[]) {
    BigDecimal bd = new BigDecimal(3.14159);
    bd = bd.setScale(2, BigDecimal.ROUND_HALF_UP);

    System.out.println(bd);
  }

}
//3.14

   
    
  

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