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QuestionHint and solution stay closed until you open them
Read a line of words; print sorted by length (stable), space-separated.
Examples
Input
cat elephant a dog
Output
a cat dog elephant
Hint
- Arrays.sort(words, Comparator.comparingInt(String::length))
Show correct code
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import java.util.Arrays;
import java.util.Comparator;
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
String[] words = in.nextLine().trim().split("\\s+");
Arrays.sort(words, Comparator.comparingInt(String::length));
System.out.println(String.join(" ", words));
}
}
Main.javaJava 21 · javac · Ctrl + Enter runs
ResultIdle
Run to see output. Check grades the tests.