可能是重复问题:
如何在Java中比较字符串?
我是否以错误的方式比较字符串?请展示正确的比较方法。 谢谢。
private void deleteButtonActionPerformed(java.awt.event.ActionEvent evt) {
String selectedVal = (String) jList1.getSelectedValue();
AbstractListModel model = (AbstractListModel) jList1.getModel();
int numberElements = model.getSize();
final String[] allElements = new String[numberElements + 1];
for (int i = 0; i < numberElements - 1; i++) {
String val = (String) model.getElementAt(i);
***if (selectedVal != val)*** {
allElements[i] = (String) model.getElementAt(i);
}
}
controller.deleteButtonClicked(selectedVal);
jList1.setModel(new javax.swing.AbstractListModel() {
String[] strings = allElements;
public int getSize() {
return strings.length;
}
public Object getElementAt(int i) {
return strings[i];
}
});