在jtextarea中以换行符和间距显示文本

JTextArea

abc=\"PREFIX table: <http://www.daml.org/2003/01/periodictable/PeriodicTable#> \" +
            \"SELECT ?name \" +
            \"FROM <http://www.daml.org/2003/01/periodictable/PeriodicTable.owl>\" +
            \"WHERE {\" +
            \"      ?element table:name ?name. \" +
            \"      FILTER(str(?name)=\\\"sodium\\\") \" +
            \"      }\"
texta.setText(abc);//abc is very long string

JTextArea

abc=\"PREFIX table: <http://www.daml.org/2003/01/periodictable/PeriodicTable#>\\n\" +
        \"SELECT ?name\\n\" +
        \"FROM <http://www.daml.org/2003/01/periodictable/PeriodicTable.owl>\\n\" +
        \"WHERE {\\n\" +
        \"      ?element table:name ?name.\\n\" +
        \"      FILTER(str(?name)=\\\"sodium\\\")\\n\" +
        \"      }\"

\'\\n\'