小编sha*_*rie的帖子

我正在使用List<? extends Map<String,?>>我填充数据的那个.

cursor.moveToFirst();
while (cursor.getPosition() < cursor.getCount()) {
    item.put("ProdName",cursor.getString(2));
    item.put("ProdSize", cursor.getString(3));
    item.put("ProdPack",cursor.getString(4));
    item.put("OrdQty","0");

    //list.add(item);
    list.add(i, item);
    item = new HashMap<String,String>();    
    cursor.moveToNext();
    i = i + 1;
}

如何在OrdQty字段中更新值？

我有一个阵列

List<double[]> values = new ArrayList<double[]>();
values.add(new double[] { 12.3, 12.5, 13.8, 16.8, 20.4, 24.4, 26.4, 26.1, 23.6, 20.3, 17.2,
    13.9 });
values.add(new double[] { 10, 10, 12, 15, 20, 24, 26, 26, 23, 18, 14, 11 });
values.add(new double[] { 5, 5.3, 8, 12, 17, 22, 24.2, 24, 19, 15, 9, 6 });
values.add(new double[] { 9, 10, 11, 15, 19, 23, 26, 25, 22, 18, 13, 10 });

我怎样才能找到最大值和最小值？