Java 如何删除ListAndroid的所有元素
我想从列表中删除所有元素。我有这个密码:Java 如何删除ListAndroid的所有元素,java,android,Java,Android,我想从列表中删除所有元素。我有这个密码: private List<NameValuePair> httpQueryPairs; httpQueryPairs = new ArrayList<NameValuePair>(1); httpQueryPairs.add(new BasicNameValuePair("A", foo)); httpQueryPairs.add(new BasicNameValuePair("B", bar));
private List<NameValuePair> httpQueryPairs;
httpQueryPairs = new ArrayList<NameValuePair>(1);
httpQueryPairs.add(new BasicNameValuePair("A", foo));
httpQueryPairs.add(new BasicNameValuePair("B", bar));
httpQueryPairs.add(new BasicNameValuePair("C, "Help me i don't know how to delete all elements;)"));
httpQueryPairs.removeAll(???);
你检查过arraylist的文档了吗
使用httpQueryPairs.clear您正在寻找clear方法吗?httpQueryPairs.clearYes。非常感谢你。祝您有个美好的一天;请选择该选项作为答案,将其隐藏在评论/cc@submer中是没有用的