Answers for "convert string list to integer list java"

4

change string list to int list python

Use the map function (in Python 2.x):
results = map(int, results)

In Python 3, you will need to convert the result from map to a list:
results = list(map(int, results))
Posted by: Guest on January-02-2021
2

convert int array to integer list java

int[] arr = {1,2,3};
IntStream.of(arr).boxed().collect(Collectors.toList());
Posted by: Guest on May-22-2020
0

Java 7. Converting List<List<Integer>> to int

// original list
List<List<Integer>> list = Arrays.asList(
        Arrays.asList(1, 2),
        Arrays.asList(2),
        Arrays.asList(3));
// initialize the array,
// specify only the number of rows
int[][] arr = new int[list.size()][];
// iterate through the array rows
for (int i = 0; i < arr.length; i++) {
    // initialize the row of the array,
    // specify the number of elements
    arr[i] = new int[list.get(i).size()];
    // iterate through the elements of the row
    for (int j = 0; j < arr[i].length; j++) {
        // populate the array
        arr[i][j] = list.get(i).get(j);
    }
}
// output
System.out.println(Arrays.deepToString(arr));
// [[1, 2], [2], [3]]
Posted by: Guest on January-01-1970

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