Formate String after dot "." from a string in java-Android

Question

I have a string like 46542.5435657468, but i want format this string and need only two charector after dot "." like 46542.54. Please suggest me which String method i need to use.

possible duplicate of [Round a double to 2 significant figures after decimal point](http://stackoverflow.com/questions/2808535/round-a-double-to-2-significant-figures-after-decimal-point) — Pankaj Kumar, Sep 12 '13 at 12:22

score 6 · Accepted Answer · answered Sep 12 '13 at 12:20

6

String.format("%.2f", Double.valueOf("46542.5435657468"));

answered Sep 12 '13 at 12:20

Danny

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score 3 · Answer 2 · answered Sep 12 '13 at 12:17

3

maybe String.format()?

String.format("%.2f", floatValue);

answered Sep 12 '13 at 12:17

Nachi

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score 3 · Answer 3 · answered Sep 12 '13 at 12:23

3

You can use DecimalFormat

first declare this at the top

DecimalFormat dtime = new DecimalFormat("#.##"); //change .## for whatever numbers after decimal you may like.

then use it like this

dtime.format(your string);

like:

 String a = "46542.5435657468";
dtime.format(a);

output will be 46542.54

answered Sep 12 '13 at 12:23

Ahmed Ekri

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http://stackoverflow.com/questions/2808535/round-a-double-to-2-significant-figures-after-decimal-point – Pankaj Kumar Sep 12 '13 at 12:23
Pankaj Kumar what you mean? my way is okay too – Ahmed Ekri Sep 12 '13 at 12:24
I didn't said that you are wrong :) your answer is perfect. I just indicating that this question has been answered tooooo many times .. :) – Pankaj Kumar Sep 12 '13 at 12:26

score 1 · Answer 4 · answered Sep 12 '13 at 12:17

1

You can use a method like this.

private static String extract(String text) {
    String[] values = text.split(".");
    return values[0] + "." + values[1].substring(0, 2);
}

answered Sep 12 '13 at 12:17

Yuichi Araki

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score 0 · Answer 5 · answered Sep 12 '13 at 12:23

The method indexOf tell you the position of the character "." ok?

The method substring cut a peace of the string from the begining (value 0) until the positio of the character "." plus 2 digits more.

public String getNumberFormated(String  yourNumber)
{
   return  yourNumber.substring(0, yourNumber.indexOf(".") + 2);
}

Do you like my solution?

Formate String after dot "." from a string in java-Android

5 Answers5