sorting java
public class SortingData {
public static void main(String[] args)
{
int[] arr = { 13, 7, 6, 45, 21, 9, 101, 102 };
Arrays.sort(arr);//sort() function
System.out.printf("Modified arr[] : %s",
Arrays.toString(arr));
}
}how to sort collection in java
// Use Collections.sort()
import java.util.*;
ArrayList<String> al = new ArrayList<String>();
al.add("teach");
al.add("sleep");
al.add("geek");
Collections.sort(al);//just pass any collection object reference
System.out.println(al);//output :- [geek,sleep,teach]
or
/*
ArrayList<Integer> intal = new ArrayList<Integer>();
al.add(4);
al.add(8);
al.add(2);
Collections.sort(intal);
System.out.println(intal);//output :- [2,4,8]
*/Copyright © 2021 Codeinu
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