Question

How to sort part of array using the arrays class in Java

Answer 1

public class MyClass {
    public static void main(String args[]) {
        char[] arr = {'0', '3', 'E', 'e', 'b', 'B', 'a', 'A'};
        
        java.util.Arrays.sort(arr, 0, 5);
        
        for (char ch : arr) {
            System.out.println(ch);
        }
    }
}


/*

run:

0
3
E
b
e
B
a
A

*/

 

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Answer 2

public class MyClass {
    public static void main(String args[]) {
        double[] arr = {3.14, 3.141, 5.3, 8.4, 9.9, 2.2, 1.5, 4.6};
        
        java.util.Arrays.parallelSort(arr, 0, 5);
        
        for (double d : arr) {
            System.out.println(d);
        }
    }
}


/*

run:

3.14
3.141
5.3
8.4
9.9
2.2
1.5
4.6

*/

 

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