Исключение
Exception in thread "main" java.lang.NullPointerException
at com.javarush.task.task07.task0716.Solution.main(Solution.java:21)package com.javarush.task.task07.task0716;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.ArrayList;
/*
Р или Л
*/
public class Solution {
public static void main(String[] args) throws Exception {
BufferedReader bis = new BufferedReader(new InputStreamReader(System.in));
ArrayList<String> list = new ArrayList<String>();
list.add("роза"); //0
list.add("лоза"); //1
list.add("лира"); //2
list = fix(list);
for (String s : list) {
System.out.println(s);
}
}
public static ArrayList<String> fix(ArrayList<String> list) {
for (int i = 0; i < list.size() ; i++) {
if(list.get(i).contains("р")&&list.get(i).contains("л"))continue;
else {
if(list.get(i).contains("л")) list.add(i,list.get(i));
if(list.get(i).contains("р")) list.remove(i);
}
}
return null;
}
}
