ΠΠΎΠΌΠΎΠ³ΠΈΡΠ΅ ΠΏΠΎΠ½ΡΡΡ, ΡΡΠΎ Π·Π΄Π΅ΡΡ Π½Π΅ ΡΠ°ΠΊ.
Π Π΅ΡΠ΅Π½ΠΈΠ΅ Π²ΡΠ΄Π°Π΅Ρ, Π½ΠΎ ΠΎΡΠΈΠ±ΠΊΠΈ ΠΊΠ°ΠΊΠΈΠ΅-ΡΠΎ Π² ΠΊΠΎΠ½ΡΠ΅.
package com.javarush.task.task07.task0717;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.ArrayList;
/*
Π£Π΄Π²Π°ΠΈΠ²Π°Π΅ΠΌ ΡΠ»ΠΎΠ²Π°
*/
public class Solution {
public static void main(String[] args) throws Exception {
// Π‘ΡΠΈΡΠ°ΡΡ ΡΡΡΠΎΠΊΠΈ Ρ ΠΊΠΎΠ½ΡΠΎΠ»ΠΈ ΠΈ ΠΎΠ±ΡΡΠ²ΠΈΡΡ ArrayList list ΡΡΡ
ArrayList<String> list = new ArrayList<String>();
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
for (int i = 0; i < 10; i++) {
list.add(reader.readLine());
}
ArrayList<String> result = doubleValues(list);
// ΠΡΠ²Π΅ΡΡΠΈ Π½Π° ΡΠΊΡΠ°Π½ result
for (int i = 0; i < list.size() + 1; i++) {
System.out.println(list.get(i));
}
}
public static ArrayList<String> doubleValues(ArrayList<String> list) {
//Π½Π°ΠΏΠΈΡΠΈΡΠ΅ ΡΡΡ Π²Π°Ρ ΠΊΠΎΠ΄
for (int i = 0; i < list.size(); i = i + 2) {
list.add(i + 1, list.get(i));
}
return list;
}
}