refactor: use JComboBox#setSelectedIndex(-1); instead of removeItemAt(index); insertItemAt(item, index);
refactor: use JComboBox#setSelectedIndex(-1); instead of removeItemAt(index); insertItemAt(item, index);

aterai/java-swing-tips,aterai/java-swing-tips,aterai/java-swing-tips,aterai/java-swing-tips