title: Array required but (class name) is found
body: <pre><code>import java.util.Arrays;
  import java.util.Scanner;
  class MixNumberWithUnit_AM{
     String unit;
     Mix_AM mixNumber;
  
  
  
     public MixNumberWithUnit_AM (String str) {
        String[] abc= parseUnit(str);
        mixNumber= new Mix_AM(abc[0]);
        unit = abc[1];
     }
  
     public static MixNumberWithUnit_AM position(String str){
           String userInput= str;
           MixNumberWithUnit_AM ft;
           MixNumberWithUnit_AM in;
           int ftpos = userInput.indexOf("ft");
           int inpos = userInput.indexOf("in");
           int appos = userInput.indexOf("'");
           int quotepos = userInput.indexOf("\"");
  
     if(ftpos !=-1 &amp;&amp; inpos !=1){ // This is if both exist
          String ftString= userInput.substring(0,ftpos+2);
          String inString= userInput.substring(ftpos+2);
          ft= new MixNumberWithUnit_AM(ftString);
          in= new MixNumberWithUnit_AM(inString);
          }
  
     else if(ftpos !=-1 &amp;&amp; inpos ==-1){ //if "feet" exist (only have feet)
          ft= new MixNumberWithUnit_AM(userInput);
          in= new MixNumberWithUnit_AM(" ");// intialize to zero inches
          }
  
      else if(ftpos ==-1 &amp;&amp; inpos !=-1){
          ft= new MixNumberWithUnit_AM(" ");
          in= new MixNumberWithUnit_AM(userInput);
          }
  
     else if(appos !=-1 &amp;&amp; quotepos !=-1){
          String ftString= userInput.substring(0,ftpos+1);
          String inString= userInput.substring(ftpos+1);
          ft= new MixNumberWithUnit_AM(ftString);
          in= new MixNumberWithUnit_AM(inString);
          }
     else if(appos !=-1 &amp;&amp; quotepos ==-1){
          ft= new MixNumberWithUnit_AM(userInput);
          in= new MixNumberWithUnit_AM(" ");
          }        
  
     else if (appos ==-1 &amp;&amp; quotepos ==-1){
          ft= new MixNumberWithUnit_AM(" ");
          in= new MixNumberWithUnit_AM(userInput);
          }
      }
  
  
     public static String[] parseUnit (String userInput){
        String str= userInput.trim(); 
        int len = str.length();
        String s2=str.substring(len-2); //get the last 2 characters
        String p1="",p2="";
  
        if(s2.equals("in") || s2.equals("ft") ){
           p1=str.substring(0,len-2).trim();
           p2=s2;
        }
        else{
           s2=str.substring(len-1); //get the last 2 characters
           if (s2.equals("'") || s2.equals("\"") ){
              p1=str.substring(0,len-1).trim();
              p2= s2;
           }
           else{
              p1=""; p2=""; System.out.println("error:input w/o units");}
        }//outer if
  
        String[] rtn={p1,p2};
        return rtn;
     }//parse
  
     public String displayMixNumberWithUnit() {
        String str=mixNumber.displayMix();
        if(str.equals("0")){
           str="";
        }
        else{
           str= str+unit; 
        }
        return str;
     }//display
  
        public static String get(){
           Scanner scan = new Scanner (System.in);
           String userInput = scan.nextLine();
           userInput = userInput.trim();
           return (userInput); 
        } //get       
  
  
     public static void main(String[] args, String userInput) {
         String userinput=get();
         MixNumberWithUnit_AM m1=position(userInput);
         System.out.println(m1[0].displayMixNumberWithUnit()+m1[1].displayMixNumberWithUnit());
  
          userInput = get();
         MixNumberWithUnit_AM m2=position(userInput);
        System.out.println(m2[0].displayMixNumberWithUnit()+m2[1].displayMixNumberWithUnit()); 
          }//main
  
  }//class
  </code></pre>
  
  <p>When ever I compile this code using jGrasp, I get an error with the arrays. I believe I haven't declared my arrays correctly. I don't understand much about how arrays work. Can someone please help me figure it out.</p>
  
  <pre><code>MixNumberWithUnit_AM.java:105: error: array required, but MixNumberWithUnit_AM found
         System.out.println(m1[0].displayMixNumberWithUnit()+m1[1].displayMixNumberWithUnit());
                              ^
  MixNumberWithUnit_AM.java:105: error: array required, but MixNumberWithUnit_AM found
         System.out.println(m1[0].displayMixNumberWithUnit()+m1[1].displayMixNumberWithUnit());
                                                               ^
  MixNumberWithUnit_AM.java:109: error: array required, but MixNumberWithUnit_AM found
        System.out.println(m2[0].displayMixNumberWithUnit()+m2[1].displayMixNumberWithUnit());
                             ^
  MixNumberWithUnit_AM.java:109: error: array required, but MixNumberWithUnit_AM found
        System.out.println(m2[0].displayMixNumberWithUnit()+m2[1].displayMixNumberWithUnit());
                                                              ^
  4 errors
  </code></pre>