while running program ,its running correctly.but verification time errors are there.
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.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));
}
for(int i = 0;i< list.size();i++)
{
int size =list.get(i).length();
if(size%2 == 0){
System.out.print(list.get(i) + " ");
System.out.print(list.get(i));
System.out.println();
}
else {
System.out.print(list.get(i)+ " ");
System.out.print(list.get(i)+" ");
System.out.print(list.get(i));
System.out.println();
}
}
}
}