Я получаю длинный список ошибок.Может кто-нибудь предложить мне, где я иду не так с GroupLayout
.
layout.setHorizontalGroup(
layout.createSequentialGroup()
.addComponent(new JLabel("Enter Book Name"))
.addComponent(new JTextField("TextField", 20))
);
Ошибка:
Exception in thread "main" java.lang.IllegalStateException:
javax.swing.JTextField[,0,0,0x0,invalid,layout=javax.swing.
plaf.basic.BasicTextUI$UpdateHandler,alignmentX=0.0,
alignmentY=0.0,border=javax.swing.plaf.BorderUIResource$
CompoundBorderUIResource@3d0bbf9e,flags=296,maximumSize=,
minimumSize=,preferredSize=,caretColor=sun.swing.
PrintColorUIResource[r=51,g=51,b=51],disabledTextColor=javax
.swing.plaf.ColorUIResource[r=184,g=207,b=229],editable=true
,margin=javax.swing.plaf.InsetsUIResource[top=0,left=0,
bottom=0,right=0],selectedTextColor=sun.swing.
PrintColorUIResource[r=51,g=51,b=51],selectionColor=javax.
swing.plaf.ColorUIResource[r=184,g=207,b=229],columns=20,
columnWidth=0,command=,horizontalAlignment=LEADING]
is not attached to a vertical group
at javax.swing.GroupLayout.checkComponents(Unknown Source)
at javax.swing.GroupLayout.prepare(Unknown Source)