Java : how to replace my last char in a string [duplicate]

Question

I am trying to replace the last char in my String .

String bowlNumber = 1.1;

bowlNumber.replace(bowlNumber.charAt(bowlNumber.length-1), 2);

By this I am able to replace my last character i.e 1 to 2.. but the problem is as my first character is also 1 , it also changes that to 2.

What i want is to change 1.1 to 1.2 , but it makes 1.1 to 2.2

Any idea?

stackoverflow.com/questions/1660034/replace-last-part-of-string — Ajinkya
– Ajinkya, Commented Oct 11, 2012 at 5:51

Matei Suica · Accepted Answer · 2012-10-11 06:18:08Z

6

bowlNumber = bowlnNumber.substring(0,bowlNumber.length()-1) + "2";

edited Oct 11, 2012 at 6:18

answered Oct 11, 2012 at 5:45

Matei Suica

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3 Comments

Arun Kumar Over a year ago

Should be bowlNumber.length() as length is a function.

Arun Kumar Over a year ago

Wrong output. It will print only 12 not 1.2.

Matei Suica Over a year ago

true ... true ... i wrote it in a hurry just as an ideea... i think i've corrected now...

bright · Accepted Answer · 2012-10-11 05:56:32Z

3

String bowlNumber="1.1";
String replaceEnd = bowlNumber.replaceAll(".$", "2");
System.out.println(replaceEnd);

The OutPut is: 1.2

edited Oct 11, 2012 at 5:56

bright

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answered Oct 11, 2012 at 5:48

Subhrajyoti Majumder

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Comments

Arun Kumar · Accepted Answer · 2012-10-11 05:56:51Z

3

Try following code:

    String bowlNumber = "1.1";
    bowlNumber=bowlNumber.substring(0, bowlNumber.length()-1)+"2";
    System.out.println(bowlNumber);

Output

1.2

answered Oct 11, 2012 at 5:56

Arun Kumar

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