title: Highlight sentence in textarea
body: <p>I have to write a program in which i have to highlight the sentence in JTextarea. 
  I have one file called original file and summary file. Original file will be displayed in textarea box and i have to highlight all the sentences of a summary file in textarea box.</p>
  
  <p><strong>For example</strong>. If original file contains <strong>"Tendulkar was born in Bombay (now Mumbai). His mother Rajni worked in the insurance industry,and his father Ramesh Tendulkar, a Marathi novelist, named Tendulkar after his favourite music director, Sachin Dev Burman. Tendulkar's elder brother Ajit encouraged him to play cricket. Tendulkar has two other siblings: a brother Nitin, and sister Savita."</strong></p>
  
  <p>Above text is displayed in textarea. </p>
  
  <p>In summary file i have <strong>"Tendulkar was born in Bombay (now Mumbai). Tendulkar has two other siblings: a brother Nitin, and sister Savita."</strong></p>
  
  <p>I want these sentences to be highlighted in textarea. Please can anyone tell me how can i do this?
  Thank you in advance :)</p>