CoderCharts:It's raining anagrams

gistfile1.txt

import java.util.*;
import java.io.*;
public class its_raining_anagrams 
{
	public static short[]profile(String s)
	{
		int i,n=s.length();
		short arr[]=new short[26];
		for(i=0;i<n;i++)
			arr[s.charAt(i)-'A']++;
		return arr;
	}
	public static boolean check(short a[],short b[])
	{
		for(int i=0;i<26;i++)
			if(a[i]!=b[i]) return false;
		return true;
	}
  	public static void main(String[] args) throws IOException 
  	{
		InputReader sc=new InputReader(new FileInputStream(args[0]));
		int i,j,z,y;
		String s="";
		Vector <String>v[]=new Vector[26];
		TreeSet<String>res=new TreeSet<String>();
		for(i=0;i<26;i++) v[i]=new Vector();
		for(;!sc.isExhausted();)
		{
			s=sc.next();
			v[s.charAt(0)-'A'].add(s);
		}
		sc=new InputReader(new FileInputStream(args[1]));
		String in="";
		short arr[],arr1[];
		for(;!sc.isExhausted();)
		{
			in=sc.next();
			arr=profile(in);
			for(i=0;i<in.length();i++)
			{
				y=in.charAt(i)-'A';
				z=v[y].size();
				for(j=0;j<z;j++)
				{
					arr1=profile(v[y].elementAt(j));
					if(check(arr,arr1)) res.add(v[y].elementAt(j));
				}
			}
			System.out.println(res.size());
			for(;!res.isEmpty();)
				System.out.println(res.pollFirst());
			res.clear();
		}
  	}
}
class InputReader {
	private boolean finished = false;

	private InputStream stream;
	private byte[] buf = new byte[1024];
	private int curChar;
	private int numChars;

	public InputReader(InputStream stream) {
		this.stream = stream;
	}

	public int read() {
		if (numChars == -1)
			throw new InputMismatchException();
		if (curChar >= numChars) {
			curChar = 0;
			try {
				numChars = stream.read(buf);
			} catch (IOException e) {
				throw new InputMismatchException();
			}
			if (numChars <= 0)
				return -1;
		}
		return buf[curChar++];
	}

	public int peek() {
		if (numChars == -1)
			return -1;
		if (curChar >= numChars) {
			curChar = 0;
			try {
				numChars = stream.read(buf);
			} catch (IOException e) {
				return -1;
			}
			if (numChars <= 0)
				return -1;
		}
		return buf[curChar];
	}

	public int readInt() {
		int c = read();
		while (isSpaceChar(c))
			c = read();
		int sgn = 1;
		if (c == '-') {
			sgn = -1;
			c = read();
		}
		int res = 0;
		do {
			if (c < '0' || c > '9')
				throw new InputMismatchException();
			res *= 10;
			res += c - '0';
			c = read();
		} while (!isSpaceChar(c));
		return res * sgn;
	}

	public String readString() {
		int c = read();
		while (isSpaceChar(c))
			c = read();
		StringBuffer res = new StringBuffer();
		do {
			res.appendCodePoint(c);
			c = read();
		} while (!isSpaceChar(c));
		return res.toString();
	}

	private boolean isSpaceChar(int c) {
		return c == ' ' || c == '\n' || c == '\r' || c == '\t' || c == -1;
	}

	public char readCharacter() {
		int c = read();
		while (isSpaceChar(c))
			c = read();
		return (char) c;
	}

	public double readDouble() {
		int c = read();
		while (isSpaceChar(c))
			c = read();
		int sgn = 1;
		if (c == '-') {
			sgn = -1;
			c = read();
		}
		double res = 0;
		while (!isSpaceChar(c) && c != '.') {
			if (c == 'e' || c == 'E')
				return res * Math.pow(10, readInt());
			if (c < '0' || c > '9')
				throw new InputMismatchException();
			res *= 10;
			res += c - '0';
			c = read();
		}
		if (c == '.') {
			c = read();
			double m = 1;
			while (!isSpaceChar(c)) {
				if (c == 'e' || c == 'E')
					return res * Math.pow(10, readInt());
				if (c < '0' || c > '9')
					throw new InputMismatchException();
				m /= 10;
				res += (c - '0') * m;
				c = read();
			}
		}
		return res * sgn;
	}

	public boolean isExhausted() {
		int value;
		while (isSpaceChar(value = peek()) && value != -1)
			read();
		return value == -1;
	}

	public String next() {
		return readString();
	}
}