java setroundingmode
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);