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- package lists;
- import java.util.Arrays;
- import java.util.List;
- import java.util.Scanner;
- import java.util.stream.Collectors;
- public class P04ListManipulationBasics {
- public static void main(String[] args) {
- Scanner scanner = new Scanner(System.in);
- List<Integer> numList = Arrays
- .stream(scanner.nextLine().split(" "))
- .map(Integer::parseInt)
- .collect(Collectors.toList());
- String input = scanner.nextLine();
- while (!input.equals("end")) {
- List<String> commandLine = Arrays.stream(input.split(" ")).collect(Collectors.toList());
- String command = commandLine.get(0);
- switch (command) {
- case "Add":
- int numToAdd = Integer.parseInt(commandLine.get(1));
- numList.add(numToAdd);
- break;
- case "Remove":
- int numRemove = Integer.parseInt(commandLine.get(1));
- numList.remove(Integer.valueOf(numRemove));
- break;
- case "RemoveAt":
- int indexRemove = Integer.parseInt(commandLine.get(1));
- numList.remove(indexRemove);
- break;
- case "Insert":
- int numInsert = Integer.parseInt(commandLine.get(1));
- int indexInsert = Integer.parseInt(commandLine.get(2));
- numList.add(indexInsert, numInsert);
- break;
- }
- input = scanner.nextLine();
- }
- System.out.println(numList.toString().replaceAll("[\\[\\],]", ""));
- }
- }
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