ドキュメントを検索して数字を見つけて配列に入れるコードを書いています。ドキュメントの一部を次に示します。
username Sam movies id 1 Citizen Kane id 2 Vertigo id 3 Rules of the Game...
プログラムを実行すると、 nextword は id の後の数字をスキップして、次の単語を使用します。数値を読み取るために必要なので、数値を配列に入れることができます。
助けてください。ありがとうございました！
package ArrayInversions;
import java.io.*;
public class Main{
public static void main (String[]args)
throws FileNotFoundException{
TextReader read = new TextReader("/Users/name/Desktop/movie-data.json");
int[] ArraySam = new int[1000];
int[] ArrayTerry = new int [1000];
int[] ArrayDana = new int [1000];
int temp;
int i=0;
String nextword;
String name=null;
String id="id";
nextword=read.GetWord();
while (nextword!=null){
if (nextword.compareTo("username")==0){
nextword=read.GetWord();
name=nextword;
System.out.println("name: "+name);
nextword=read.GetWord();
i=0;
}
System.out.println("* "+nextword+"="+id);
if(nextword.compareTo(id)==0){
nextword=read.GetWord();
System.out.println(nextword);
temp=Integer.valueOf(nextword);
if (name.compareTo("Sam")==0){
System.out.println("Sam");
ArraySam[i]=temp;
i++;
}
else if (name.compareTo("Terry")==0){
System.out.println("Terry");
ArrayTerry[i]=temp;
i++;
}
else{
System.out.println("Dana");
ArrayDana[i]=temp;
i++;
}
}
nextword=read.GetWord();
}
}
}
package ArrayInversions;
import java.util.*;
import java.io.*;
public class TextReader {
private Scanner read;
private String currline;
public TextReader(String filename){
try{
currline = "";
read = new Scanner(new File(filename));
}
catch (Exception ex){
System.out.println("File does not exist error: "+ex.toString());
}
}
private static boolean isLetter(char ch) {
return ((ch >= 'A')&&(ch <= 'Z') ||
(ch >= 'a')&&(ch <= 'z') ||
// (ch <= '1')&&(ch <= '9') || //allows numbers?
(ch == '-') || (ch == '\'')
); }
private String removeNextWord(String s) {
//Returns the string with the first 'word' removed
//First, pull all non-letters off front
while ((s.length()>0) && (isLetter(s.charAt(0))== false))
s = s.substring(1);
//Now, pull all letters off front
while ((s.length()>0) && (isLetter(s.charAt(0))== true))
s = s.substring(1);
//Finally remove all non-letters off front
while ((s.length()>0) && (isLetter(s.charAt(0))== false))
s = s.substring(1);
return s; //Return the resulting string
}
private String getNextWord(String s) {
//Returns first 'word' of the string
//First, pull all non-letters off front
String word="";
while ((s.length()>0) && (isLetter(s.charAt(0))== false))
s = s.substring(1);
//Now, keep all letters as we pull them off the front
while ((s.length()>0) && (isLetter(s.charAt(0))== true))
{ word = word + s.charAt(0); //build up the word
s = s.substring(1); //remove letters from string input
}
return word; //Return the resulting word string
}
public String GetWord(){
// throws FileNotFoundException //required throw line
{ String nextword;
while ((currline != null)&&(currline.length()== 0)){
if (read.hasNext())
currline = read.nextLine().trim();
else
currline = null;
}
if (currline != null)
{ nextword = getNextWord(currline); //get word from front of line
currline = removeNextWord(currline).trim(); //update the line w/o word
}
else
{
nextword = null;
}
return nextword;
}
}
}