Java List<List<Integer>> list= new ArrayList<List<Integer>>()排序问题
list是[[2, 3, 4, 5, 6, 11], [1, 2, 4, 6, 10, 11], [1, 2, 3, 4, 11, 13], [1, 2, 3, 4, 5, 16]]
怎么转变成[ [ 1, 2, 3, 4, 5, 16 ], [ 1, 2, 3, 4, 11, 13 ], [ 1, 2, 4, 6, 10, 11 ], [ 2, 3, 4, 5, 6, 11 ] ]