Source Code : Enumerating the Lines in a JTextArea Component

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Enumerating the Lines in a JTextArea Component

  

import javax.swing.JTextArea;
import javax.swing.text.Element;

public class Main {
  public static void main(String[] argv) throws Exception {
    JTextArea textArea = new JTextArea("word1 word2
word3
word4");
    Element paragraph = textArea.getDocument().getDefaultRootElement();
    int contentCount = paragraph.getElementCount();
    for (int i = 0; i < contentCount; i++) {
      Element e = paragraph.getElement(i);
      int rangeStart = e.getStartOffset();
      int rangeEnd = e.getEndOffset();
      String line = textArea.getText(rangeStart, rangeEnd - rangeStart);
      System.out.println(line);
    }
  }
}

   
    
  

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