Java Fraction Format formatDecimal(double value, int maxFractionDigits1, int maxFractionDigits2)

Description

format Decimal

License

Open Source License

Declaration

public static String formatDecimal(double value, int maxFractionDigits1, int maxFractionDigits2) 

Method Source Code

//package com.java2s;
/*// w  w w .  j av  a2 s. c om
 * NumberUtil.java
 *
 * Copyright (c) 2002-2015 Alexei Drummond, Andrew Rambaut and Marc Suchard
 *
 * This file is part of BEAST.
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership and licensing.
 *
 * BEAST is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 *  BEAST is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with BEAST; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
 * Boston, MA  02110-1301  USA
 */

import java.text.DecimalFormat;

public class Main {
    protected static DecimalFormat formatter = new DecimalFormat("0.####E0");
    protected static DecimalFormat formatter2 = new DecimalFormat("####0.####");

    public static String formatDecimal(double value, int maxFractionDigits1, int maxFractionDigits2) {
        formatter.setMaximumFractionDigits(maxFractionDigits1);
        formatter2.setMaximumFractionDigits(maxFractionDigits2);

        if (value > 0 && (Math.abs(value) < 0.001 || Math.abs(value) >= 100000.0)) {
            return formatter.format(value);
        } else {
            return formatter2.format(value);
        }
    }
}

Related

1. formatDataValue(double value)
2. formatDecimal(double dtSource, String nbit)
3. formatDecimal(double number)
4. formatDecimal(double numToFormat)
5. formatDecimal(double value)
6. formatDecimal(double value, int precision)
7. formatDecimal(double value, String mask)
8. formatDecimal(String format, double value)
9. formatDecimals(double d, int mantissa)