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  1. package com.company;
  2. import java.util.ArrayList;
  3. import java.util.List;
  4.  
  5. public class Parser {
  6.     String[] args;
  7.     static String cmd;
  8.     public static List<String> cmdArr = new ArrayList<String>();
  9.     public static List<Integer> ArgsArr = new ArrayList<Integer>();
  10.  
  11.  
  12.      Parser() {
  13.         cmdArr.add("cd");
  14.         cmdArr.add("ls");
  15.         cmdArr.add("pwd");
  16.         cmdArr.add("cp");
  17.         cmdArr.add("mv");
  18.         cmdArr.add("rm");
  19.         cmdArr.add("cat");
  20.         cmdArr.add("more");
  21.         cmdArr.add("mkdir");
  22.         cmdArr.add("rmdir");
  23.         cmdArr.add("args");
  24.         cmdArr.add("help");
  25.         cmdArr.add("date");
  26.  
  27.         ArgsArr.add(0);
  28.         ArgsArr.add(1);
  29.         ArgsArr.add(0);
  30.         ArgsArr.add(0);
  31.         ArgsArr.add(2);
  32.         ArgsArr.add(2);
  33.         ArgsArr.add(1);
  34.         ArgsArr.add(2);
  35.         ArgsArr.add(1);
  36.         ArgsArr.add(2);
  37.         ArgsArr.add(2);
  38.         ArgsArr.add(0);
  39.         ArgsArr.add(0);
  40.         ArgsArr.add(0);
  41.     }
  42.  
  43.     public boolean parse(String input) {
  44.         boolean check = false;
  45.         input += " ";
  46.         String temp = "";
  47.         int counter = 0, j = 0;
  48.         for (int i = 0; i < input.length(); i++) {
  49.             temp += input.charAt(i);
  50.             if (input.charAt(i) == ' ' && counter == 0) {
  51.                 cmd = temp;
  52.                 temp = " ";
  53.                 counter++;
  54.             }
  55.             if (input.charAt(i) == ' ' && counter != 0) {
  56.                 args[j] = temp;
  57.                 temp = " ";
  58.                 counter++;
  59.                 j++;
  60.             }
  61.         }
  62.         if(cmdArr.contains(cmd)==true) {
  63.             int index=cmdArr.indexOf(cmd);
  64.             if(ArgsArr.get(index) == counter) {
  65.                 check=true;
  66.             }
  67.         }
  68.         return check;
  69.     }
  70.  
  71.         public static String getCmd( )
  72.         {
  73.             return cmd;
  74.         }
  75.         public void getArguments ()
  76.         {
  77.  
  78.         }
  79.  
  80.     }
  81.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
Main.java:5: error: class Parser is public, should be declared in a file named Parser.java
public class Parser {
       ^
1 error
stdout
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Standard output is empty
https://ideone.com/SnRTrK
language:
Java (HotSpot 12)
created:
4 years ago
visibility:
public

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