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Import Java.io.ioexception;import java.util.*;p Ublic Class A {public static void main (string[] args) throws IOException {Scanner sc=new Scanner (system.in); System.out.println ("Please enter a string"); String Str=sc.nextline (); boolean a=true;for (int i=0;iExperience to learn to use Java API ...The lesson length is the method of character the character function inside the class Chartat the method of judging the position of the character inside the character class.Boolean fixed value is

Title: Separate uppercase and lowercase letters in the array (using quick sorting) #include