Please fix my Java code and submit the fixed syntax. The errors say cannot find symbol BinaryTree.

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Compilation Errors Detected

Line: 135 cannot find symbol symbol: class BinaryTree location: class Test

Line: 39 cannot find symbol symbol: class BinaryTree location: class Test

Line: 39 cannot find symbol symbol: class BinaryTree location: class Test

Line: 107 cannot find symbol symbol: variable bw location: class Test

Line: 109 cannot find symbol symbol: variable bw location: class Test

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import java.io.BufferedReader;

import java.io.ByteArrayOutputStream;

import java.io.File;

import java.io.FileReader;

import java.io.FileWriter;

import java.io.IOException;

import java.io.ObjectOutputStream;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.HashSet;

import java.util.List;

import java.util.Set;

public class Test {

public static void main(String[] args) throws Exception {

File file = new File("C:\\Users\\Nick\\Documents\\qz1Data.txt");

File file1 = new File("C:\\Users\\Nick\\Documents\\qz1Data.txt");

BufferedReader br = new BufferedReader(new FileReader(file));

BufferedReader br1 = new BufferedReader(new FileReader(file1));

List list = new ArrayList();

BinaryTree tree = new BinaryTree();

try {

String st;

long millisStart = System.currentTimeMillis() % 1000;

while ((st = br.readLine()) != null) {

String arr[] = st.split(" ");

for(int i=0; i< arr.length; i++) {

list.add(Integer.parseInt(arr[i]));

}

/*bw.write(size);

bw.newLine();*/

}

long millisEnd = System.currentTimeMillis() % 1000;

System.out.println("Time taken " + (millisEnd - millisStart));

long size = getBytesFromList(list);

printInUnits(size);

String st1;

long millisStart1 = System.currentTimeMillis() % 1000;

while ((st1 = br1.readLine()) != null) {

String arr[] = st1.split(" ");

for(int i=0; i< arr.length; i++) {

tree.add(Integer.parseInt(arr[i]));

}

/*bw.write(size);

bw.newLine();*/

}

long millisEnd1 = System.currentTimeMillis() % 1000;

System.out.println("Time taken " + (millisEnd1 - millisStart1));

long size1 = getBytesFromList(tree);

printInUnits(size1);

} catch (IOException ioe) {

ioe.printStackTrace();

} finally {

try {

if (bw != null)

bw.close();

} catch (Exception ex) {

System.out.println("Error in closing the BufferedWriter" + ex);

}

}

}

public static long getBytesFromList(List list) throws IOException {

ByteArrayOutputStream baos = new ByteArrayOutputStream();

ObjectOutputStream out = new ObjectOutputStream(baos);

out.writeObject(list);

out.close();

return baos.toByteArray().length;

}

public static long getBytesFromTree(BinaryTree tree) throws IOException {

ByteArrayOutputStream baos = new ByteArrayOutputStream();

ObjectOutputStream out = new ObjectOutputStream(baos);

out.writeObject(tree);

out.close();

return baos.toByteArray().length;

}

public static void printInUnits(long length) {

System.out.println("size is :: " + length + " byte");

}

}