Java

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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?