Java Number Round roundScale2(Number number)

Description

rounds the number to a value with 2 decimal digits {Category} NumberUtil {talendTypes} double | Double {param} double(2.5) number: number to format {example} numberToString(1234.12345) result: 1234.12

License

Apache License

Declaration

public static Double roundScale2(Number number) 

Method Source Code

//package com.java2s;
/**/*from  www.j a v  a2  s. c  o m*/
 * Copyright 2015 Jan Lolling jan.lolling@gmail.com
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

public class Main {
    /**
     * rounds the number to a value with 2 decimal digits
     * 
     * {Category} NumberUtil
     * 
     * {talendTypes} double | Double
     * 
     * {param} double(2.5) number: number to format
     * 
     * {example} numberToString(1234.12345) result: 1234.12
     * 
     */
    public static Double roundScale2(Number number) {
        if (number != null) {
            return Math.round(number.doubleValue() * 100d) / 100d;
        } else {
            return null;
        }
    }
}

Related

1. roundPower10(float val, int powerOf10)
2. roundPower2(final long x)
3. roundRadian(double rad)
4. roundRobin(final int value)
5. roundScale(double value, int scale)
6. roundSec(int sec)
7. roundSec(long milli)
8. roundSig(double d, int n)
9. roundSignificant(double d, int numDigit, boolean keepInteger)