/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
    private static class StrLenCmp implements Comparator<String>, Serializable {
        @Override
        public int compare(String s1, String s2) {
            return s1.length() - s2.length();
        }
    }
    public static final Comparator<String> STRING_LENGTH_COMPARATOR = new StrLenCmp();
	public static void main (String[] args) throws java.lang.Exception
	{
        String[] array = {"aaaaa", "bb", "cccc", "d", "eee"};
        Arrays.sort(array, STRING_LENGTH_COMPARATOR);
        for (String str : array) {
            System.out.println(str);
        }
	}
}
 

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