Variables and classes in Java

import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;

public class A2P3 extends Applet implements AdjustmentListener,ActionListener {

  Scrollbar scrb;
  int i;
  String s;
  Button b1;
  public String baction;
  Label l1;
  Graphics g;

  public void init(){
    scrb=new Scrollbar(Scrollbar.HORIZONTAL, 10,10,1,110);
    add(scrb);
    scrb.addAdjustmentListener(this);
    b1=new Button("Draw Line");
    add(b1);
    b1.addActionListener(this);
    l1=new Label("Current Value is    ");
    add(l1);
  }
  public void adjustmentValueChanged(AdjustmentEvent e)
  {
    i=e.getValue();
    l1.setText("Current Value is "+i);
  }
  public void actionPerformed(ActionEvent e) {
     baction = e.getActionCommand();
  }
  public void paint(Graphics g)
  {
     if (baction=="Draw Line")
    g.drawLine(10,40,i,40);
   }
}

Code (markup):

On clicking the button "Draw Line", i want the prg to draw a line, with width the value of the scrollbar.
Any idea whats going wrong ?

 

This line is incorrect ...

if (baction=="Draw Line")

Q...