Java Double Number to String doubleToString(double value)

Description

double To String

License

Apache License

Declaration

public static String doubleToString(double value) 

Method Source Code

//package com.java2s;
/* /*w ww.ja  v a  2 s . c  om*/
 * Copyright 2016 Lutz Fischer <l.fischer@ed.ac.uk>.
 *
 * 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.
 */

import java.text.DecimalFormat;

public class Main {
    /**
     * formats to 1 decimal place
     */
    public static DecimalFormat oneDigit = new DecimalFormat("#,##0.0");

    public static String doubleToString(double value) {
        //        DecimalFormat oneDigit = new DecimalFormat("0.0");
        String fUnit = "B";
        if (value > 1024 * 1024 * 900) {
            value /= 1024 * 1024 * 1024;
            fUnit = "GB";
        } else if (value > 1024 * 900) {
            value /= 1024 * 1024;
            fUnit = "MB";
        } else if (value > 900) {
            value /= 1024;
            fUnit = "KB";
        }
        return "" + oneDigit.format(value) + fUnit;

    }
}

Related

1. doubleToString(double d, int precision)
2. doubleToString(Double d, String format)
3. doubleToString(double dnum)
4. doubleToString(Double num)
5. doubleToString(double val, int maxFractionDigits)
6. doubleToString(double value, int afterDecimalPoint)
7. doubleToString(double value, int fractionDigits)
8. doubleToString(double value, int maximum, int minimum)
9. doubleToString(double value, String format)