java - Remove border from JScrollPane -

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i have jlist object in jscrollpane , jscrollpane inside of jpanel.

jlist memberslist = new jlist();  jpanel memberspanel = new jpanel(); memberspanel.setlayout(new borderlayout());  jscrollpane scrollpane = new jscrollpane(memberslist);  memberspanel.add(scrollpane, borderlayout.center);

i tried set borders of memberslist, memberspanel , scrollpane null. tried:

border emptyborder = borderfactory.createemptyborder(0, 0, 0, 0); memberslist.setborder(emptyborder); memberspanel.setborder(emptyborder); scrollpane.setborder(emptyborder);

but somehow can't remove border. doing wrong?

the scroll pane has viewport can have own border.

scrollpane.setviewportborder(null);

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