Check out example codes for "java setroundingmode". It will help you in understanding the concepts better.

Code Example 1

import java.text.DecimalFormat; 
import java.math.RoundingMode; 

DecimalFormat df = new DecimalFormat();

//Set the rounding mode as CEILING
df.setRoundingMode(RoundingMode.CEILING);

//Set the rounding mode as DOWN
df.setRoundingMode(RoundingMode.DOWN);

//Set the rounding mode as FLOOR
df.setRoundingMode(RoundingMode.FLOOR);

//Set the rounding mode as HALF_DOWN
df.setRoundingMode(RoundingMode.HALF_DOWN);

//Set the rounding mode as HALF_EVEN
df.setRoundingMode(RoundingMode.HALF_EVEN);

//Set the rounding mode as HALF_UP
df.setRoundingMode(RoundingMode.HALF_UP);

//Set the rounding mode as UNNECESSARY
df.setRoundingMode(RoundingMode.UNNECESSARY);

//Set the rounding mode as UP
df.setRoundingMode(RoundingMode.UP);

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