package fixjava;

public class StringUtils {

	/** Repeat the given string the requested number of times. */
	public static String repeat(String str, int numTimes) {
		StringBuilder buf = new StringBuilder(Math.max(0, str.length() * numTimes));
		for (int i = 0; i < numTimes; i++)
			buf.append(str);
		return buf.toString();
	}

	/**
	 * Pad the left hand side of a field with the given character. Always adds at least one pad character. If the length of str is
	 * greater than numPlaces-1, then the output string will be longer than numPlaces.
	 */
	public static String padLeft(String str, char padChar, int numPlaces) {
		int bufSize = Math.max(numPlaces, str.length() + 1);
		StringBuilder buf = new StringBuilder(Math.max(numPlaces, str.length() + 1));
		buf.append(padChar);
		for (int i = 1, mi = bufSize - str.length(); i < mi; i++)
			buf.append(padChar);
		buf.append(str);
		return buf.toString();
	}

	/**
	 * Pad the right hand side of a field with the given character. Always adds at least one pad character. If the length of str is
	 * greater than numPlaces-1, then the output string will be longer than numPlaces.
	 */
	public static String padRight(String str, char padChar, int numPlaces) {
		int bufSize = Math.max(numPlaces, str.length() + 1);
		StringBuilder buf = new StringBuilder(Math.max(numPlaces, str.length() + 1));
		buf.append(str);
		buf.append(padChar);
		while (buf.length() < bufSize)
			buf.append(padChar);
		return buf.toString();
	}

	/** Intern all strings in an array, skipping null elements. */
	public static String[] intern(String[] arr) {
		for (int i = 0; i < arr.length; i++)
			arr[i] = arr[i].intern();
		return arr;
	}

	/** Intern a string, ignoring null */
	public static String intern(String str) {
		return str == null ? null : str.intern();
	}

}

import java.io.File;
import java.io.FileReader;
import java.io.IOException;


public class FileIn {

	private StringBuilder sb = new StringBuilder("");
	
	/**
	 * ã³ã³ã¹ãã©ã¯ã¿.
	 * @param filename èª­ã¿è¾¼ããã¡ã¤ã«å
	 */

	public FileIn(String filename) {
		File f = new File(filename);
		FileReader fr = null;
		try {
			fr = new FileReader(f);
			int c;
			while ((c = fr.read()) != -1) {
				this.sb.append((char)c);
			}
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			try {
				fr.close();
			} catch (IOException e) {
				e.printStackTrace();
			}

		}

	}
	
	/**
	 * ãã¡ã¤ã«ã®æå­åãè¿ã.
	 * @return
	 */
	public String getString() {
		return this.sb.toString();
	}
}