Question

I have written a code in java using swing.So that i will have a JscrollPane added to JPanel n then I will add buttons of fixed size to JPanel in verticle fashion

JPanel panel=new JPanel(); 
panel.setBackground(Color.WHITE); 
panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS)); 
int v=ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS; 
int h=ScrollPaneConstants.HORIZONTAL_SCROLLBAR_ALWAYS;  
JScrollPane jsp=new JScrollPane(panel,v,h); 
jsp.setPreferredSize(new Dimension(600,600)); 
jsp.setBounds(150,670,850,200); 
frame.add(jsp); 

then I am adding buttons to it at run time.

 for(i=0;i<n;i++)  
{ 
     button[i]=new JButton(); 
     button[i].setBounds(20,y,120,120); 
     button[i].setSize(120,120); 
     button[i].setToolTipText(file[i].toString());        
     button[i].setIcon(Icon); 
     panel.add(button[i]);    
     y=y+140; //initially y=20 so 1st button on x=20,y=20 2nd button on x=20,160
 } 

I want to add a button one below another…(i.e I am getting a verticle scrollbar)

i.e. button1

 button2 

   ' 

   ' 

the problem is the size and bounds of button that I am setting using setsize/preffered size and setbounds is not affecting size and position of button (which are added on panel)at all…

how to do it?
can anybody help me???

Answer 1

Try setMaximumSize ()