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Java 反向重新排列JComboBox_Java_Jcombobox - Fatal编程技术网

Java 反向重新排列JComboBox

Java 反向重新排列JComboBox,java,jcombobox,Java,Jcombobox,这些问题可能有非常简单的答案,但在本代码中 public void setupYears() { ArrayList<String> years_tmp = new ArrayList<String>(); for(int years = Calendar.getInstance().get(Calendar.YEAR)-90 ; years<=Calendar.getInstance().get(Calendar.YEAR);ye

这些问题可能有非常简单的答案,但在本代码中

public void setupYears()
{
        ArrayList<String> years_tmp = new ArrayList<String>();

        for(int years = Calendar.getInstance().get(Calendar.YEAR)-90 ; years<=Calendar.getInstance().get(Calendar.YEAR);years++)
        {
          years_tmp.add("Year"+years+"");
        }


        Y = new JComboBox(years_tmp.toArray());

        Y.setLocation(404,310);
        Y.setSize(250,25);
        Y.setEditable(false );
        firstPanel.add(Y);
}
public void setupYears()
{
ArrayList年数\u tmp=新ArrayList();

对于(int years=Calendar.getInstance().get(Calendar.YEAR)-90;years解决排序问题:

for(int years = Calendar.getInstance().get(Calendar.YEAR) ; years>=Calendar.getInstance().get(Calendar.YEAR)-90;years--)
要将“年”放在第一个框中,只需添加行即可

years_tmp.add("Year");
在您的for循环之前

希望这有帮助