readdata.java

查找孤立点 JAVA代码

package EntropyOutlier;

import java.util.Properties;
import java.util.Random;
import java.util.StringTokenizer;
import java.util.Enumeration;
import java.io.*;
import java.util.*;

public class ReadData {
  private int colCount=0;
  private int rowCount=0;
  private String[][] data = null;
  public ReadData(String path) {
    FileReader in = null;
    BufferedReader d = null;
    StringTokenizer token = null;
    try {
      in = new FileReader(path);
    }
    catch (FileNotFoundException ex) {
      ex.printStackTrace();
    }
    d = new BufferedReader(in);
    try {
      token = new StringTokenizer(d.readLine(),",");
      rowCount++;
    }
    catch (IOException ex4) {
    }
    try {
      while (d.readLine() != null) {
        rowCount++;
      }
    }
    catch (IOException ex2) {
      ex2.printStackTrace() ;
    }
    try {
      in.close();
      in = new FileReader(path);
    }
    catch (Exception ex3) {
      ex3.printStackTrace() ;
    }
    d = new BufferedReader(in);
    colCount = token.countTokens();
    data = new String[rowCount][colCount+1];
    for (int i = 0; i < rowCount; i++) {
      try {
        token = new StringTokenizer(d.readLine(), ",");
      }
      catch (IOException ex1) {
        ex1.printStackTrace();
      }
      for (int j = 0; j < colCount; j++) {
        String tmp=token.nextToken();
        if(tmp!=null){
          data[i][j]=tmp;
        }else{
          data[i][j]="null";
        }
      }
    }
  }

  public int getColCount() {
    return colCount;
  }
  public int getRowCount() {
    return rowCount;
  }

  public String[][] readFromDataFile() {
    return data;
  }

}