ArrayList<String> string2 = new ArrayList<> ( );
// to check odd or even
for(int i= 0 ; i < list.size (); i++){
String s = list.get ( i );
string2.add ( s );
}
for(int i = 0 ; i < string2.size();i++){
if(string2.get ( i ).length ()%2 == 0){
string2.get ( i ).concat( string2.get ( i ) );
System.out.println (string2.get ( i ) );
}else{
string2.get ( i ).concat ( string2.get ( i ) );
string2.get(i).concat ( string2.get ( i ) );
System.out.println (string2.get ( i ) );
}
}
System.out.println(string2);
}
package com.codegym.task.task07.task0727;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
/*
Changing functionality
*/
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
ArrayList<String> list = new ArrayList<String>();
while (true) {
String s = reader.readLine();
if (s == null || s.isEmpty()) break;
list.add(s);
}
ArrayList<String> listUpperCase = new ArrayList<String>();
for (int i = 0; i < list.size(); i++) {
String s = list.get(i);
listUpperCase.add(s.toUpperCase());
}
for (int i = 0; i < listUpperCase.size(); i++) {
System.out.println(listUpperCase.get(i));
}
}
}