Here's simple example to sort numbers in Java using a List:
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class SortTest {
public static void main (String[] args) {
List<Integer> list = new ArrayList<Integer>();
list.add(100);
list.add(1);
list.add(24);
list.add(3);
System.out.println(list);
Collections.sort(list);
System.out.println(list);
}
}
Running it generates the following output:
[100, 1, 24, 3]
[1, 3, 24, 100]
JAVA
The simplest would be to put the numbers into an int[] (integer array) and pass that to java.util.Arrays.sort(int[]) (a static method), which will sort the array in ascending numerical order. Use a float[] or double[] if you need to sort non-whole numbers. You can also use the Collections.sort(List) method to sort the List directly. Or the Collections.sort(List, Comparator) if you wish to specify your own sorting criteria.
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