Java

package my.book.namespace;
 
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ImageView;
 
 
public class TheLastOfUsActivity extends Activity {
 
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
 
        ImageView myimg = (ImageView) findViewById(R.id.enter);
        myimg.setOnClickListener(new OnClickListener() {
 
            @Override
            public void onClick(View arg0) {
                startActivity(new Intent(TheLastOfUsActivity.this, one.class));
 
            }
        });
    }
}

public void delFirst()
{
  //????? 
}
public void delLast()
{
  if (!isEmpty())
  {
      size--;
  }
}

Is it possible to scroll JFrame if so den how?

private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {                                         
   
       filepath ="/home/GUI/Language_Independent/Output/Frame_1.txt";
       file =new File(filepath);
       fileContents="";
    
    try
         {
             br = new BufferedReader(new FileReader(filepath));
       
         }
         catch(Exception E)
         {
           jLabel1.setText(E.toString());
           
         }
    
    try
         {
             while((fileContents= br.readLine())!=null)
             {
                 System.out.println("fileContents");
                 jLabel1.setText(fileContents);
                 
                 
                 String str = "a";
          
            while(br.readLine()== str) {
               
             jLabel1.setForeground(Color.red);
            }
             }
             br.close();
         }
         catch(Exception E1)
         {
             jLabel1.setText(E1.toString());
         }    
        
    
        
        
    // TODO add your handling code here:
    }         

Frame_1 consist of generate text eg:abcdefgh..
for this generated file i want to set color for specific char eg a=red so on.
 jLabel1.setForeground(Color.red);
is not working at all.Please someone suggest and thnks in advanced