Java - Updating text from JTextArea by line number
<p>It's based from my <a href="https://stackoverflow.com/questions/34758621/java-get-text-from-jtextarea-by-number-line">previous question</a>.</p>

<p>I want update text by line number, 
<br>for E.g</p>

<pre><code>name : andy
birth : jakarta, 1 jan 1990
number id : 01011990 01
age : 26
study : Informatics engineering
</code></pre>

<p>I want to change text in number 2 into </p>

<pre><code>birth : Singapore, 1 April 1989
</code></pre>