/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package IO;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
    
/**
 * 
 * @author dannocz
 */
public class InputReader {
    
    public static Input readFile(String filename){
        try {
              
              /*  Sets up a file reader to read the file passed on the command
          77        line one character at a time */
              FileReader input = new FileReader(filename);
              
              /* Filter FileReader through a Buffered read to read a line at a
                 time */
              BufferedReader bufRead = new BufferedReader(input);
              
              String line;    // String that holds current file line
              int count = 0;  // Line number of count 
              ArrayList<String> cases= new ArrayList<String>();
              
              // Read first line
              line = bufRead.readLine();
              int noTestCases=Integer.parseInt(line);
              count++;
              
              // Read through file one line at time. Print line # and line
              while (count<=noTestCases){
                  //System.out.println("Reading. "+count+": "+line);
                  line = bufRead.readLine();
                  cases.add(line);
                  count++;
              }
              
              bufRead.close();
              
              return new Input(noTestCases,cases);
              
          }catch (ArrayIndexOutOfBoundsException e){
              /* If no file was passed on the command line, this expception is
              generated. A message indicating how to the class should be
              called is displayed */
              e.printStackTrace();        
  
          }catch (IOException e){
              // If another exception is generated, print a stack trace
              e.printStackTrace();
          }
        
        return null;
          
      }// end main
    }

package contest;
import java.io.BufferedReader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

public class Input {
	BufferedReader in;

	public Input(BufferedReader in) {
		this.in = in;
	}

	//

	public String readStr() {
		return readStr(in);
	}

	public int readInt() {
		return readInt(in);
	}

	public int[] readIntArr() {
		return readIntArr(in, " ");
	}

	public List<Integer> readIntList() {
		return readIntList(in, " ");
	}

	public List<String> readStrList() {
		return readStrList(in, " ");
	}

	//

	public String readStr(BufferedReader in) {
		try {
			return in.readLine();
		} catch (Exception e) {
			e.printStackTrace();
			return null;
		}
	}

	public int readInt(BufferedReader in) {
		return Integer.parseInt(readStr(in));
	}

	public int[] readIntArr(BufferedReader in) {
		return readIntArr(in, " ");
	}

	public int[] readIntArr(BufferedReader in, String delimiter) {
		String[] tokens = readStr(in).split(delimiter);
		int[] ints = new int[tokens.length];
		for (int i = 0; i < tokens.length; i++) {
			ints[i] = Integer.parseInt(tokens[i]);
		}
		return ints;
	}

	public List<Integer> readIntList(BufferedReader in) {
		return readIntList(in, " ");
	}

	public List<Integer> readIntList(BufferedReader in, String delimiter) {
		String[] tokens = readStr(in).split(delimiter);
		List<Integer> ints = new ArrayList<Integer>(tokens.length);
		for (int i = 0; i < tokens.length; i++) {
			ints.add(Integer.parseInt(tokens[i]));
		}
		return ints;
	}

	public List<String> readStrList(BufferedReader in, String delimiter) {
		return Arrays.asList(readStr(in).split(delimiter));
	}
}
