Java Double Number Print printDouble(double d, int p)

Description

print Double

License

Open Source License

Declaration

public static String printDouble(double d, int p) 

Method Source Code

//package com.java2s;
/*//from w  w w.  j a  v  a  2  s  .com
 * Util.java -- extra stuff
 * Douglas S. J. De Couto
 *
 * Copyright (c) 2000 Massachusetts Institute of Technology.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, subject to the conditions
 * listed in the Click LICENSE file. These conditions include: you must
 * preserve this copyright notice, and you cannot mention the copyright
 * holders in advertising related to the Software without their permission.
 * The Software is provided WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED. This
 * notice is a summary of the Click LICENSE file; the license in that file is
 * legally binding.
 */

public class Main {
    public static String printDouble(double d, int p) {
        String sgn = "";
        if (d < 0) {
            sgn = "-";
            d = -d;
        }
        int i = (int) Math.floor(d);
        StringBuffer s = new StringBuffer(sgn + Integer.toString(i) + ".");
        d = Math.abs(d - i);
        for (int j = 0; j < p; j++) {
            d *= 10;
            i = (int) d;
            s.append(i);
            d -= i;
        }
        return s.toString();
    }

    public static String printDouble(double d) {
        return printDouble(d, 5);
    }
}

Related

1. printDouble(Double value)
2. printDouble(double[] salida)
3. printDoubleArray(double[] array)
4. printDoubleArray(double[] array)