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Java JList侦听器找不到符号_Java_Swing_Jlist - Fatal编程技术网
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  • Java JList侦听器找不到符号

Java JList侦听器找不到符号

java swing

Java JList侦听器找不到符号,java,swing,jlist,Java,Swing,Jlist,尝试添加LIstSelectionListener并继续获取错误找不到符号LIstSelectionListener（） ^ 符号类ListSelectionListener jlstExtras.addListSelectionListener(new ListSelectionListener() { public void valueChanged(ListSelectionEvent e) { int[] indices = jlstExtras.

尝试添加LIstSelectionListener并继续获取错误找不到符号LIstSelectionListener（） ^ 符号类ListSelectionListener

jlstExtras.addListSelectionListener(new ListSelectionListener() {
        public void valueChanged(ListSelectionEvent e) {
            int[] indices = jlstExtras.getSelectedIndices();

            int i;
            for( i = 0; i < indices.length; i++){
                if(indices[i] == 0)
                    delivery = 4.00;
                else if (indices[i] == 1)
                    tip = .15;
                else if (indices[i] == 2)
                    tip = .20;

            }       

        }
    });

jlstExtras.addListSelectionListener（新的ListSelectionListener（）{
public void值已更改（ListSelectionEvent e）{
int[]index=jlstExtras.getSelectedIndices（）；
int i；
对于（i=0；i
错误出现在第一行部分（new ListSelectionListener（）

您导入了javax.swing.event包内容吗？您的java版本是什么？它应该是1.4或更高。您导入了java.awt.*；导入了java.awt.event.*；导入了javax.swing.*；导入了java.text.*；我想我也缺少了一个需要的.event包。您没有导入javax.swing.event.*；