将java代码生成html并且高亮显示

答案：
import java.util.*;
import java.io.*;
public class java2html 
{
    private static boolean comment=false;
    private static boolean lineComment=false;
    private static boolean START = true;
    private static boolean END = false;
    private static boolean backslash=false;
    private static boolean stringlit = false;
    private static boolean stringlit2 = false;
    private static int tabWidth = 0;
    private static String tab=" ";
    private static Collection varList = new ArrayList();
    private static StringBuffer out = new StringBuffer();
    private static Collection primitives = new ArrayList();
    static 
    {
        String[] primString = 
        {"int","Integer", "byte","Byte", "boolean","Boolean", "short", "Short", "long", "Long", "char", "Character", "float", "Float", "double", "Double", "String", "void","StringBuffer","Collection"};
        for(int i=0; i<primString.length; i++)
        primitives.add(primString[i]);
    }
    private static Collection operators = new ArrayList();
    static 
    {
        String[] operString = 
        {"=", ">", "<", "!", "~", "?", ":", "==", "<=", ">=", "!=", "&&", "||", "++", "--", "+", "-", "*", "/", "&", "|", "^", "%", ">>", "<<", ">>>", "+=", "-=", "*=", "/=", "&=", "|=", "^=", "%=", "<<=", ">>=", "<<<"};
        for(int i=0; i<operString.length; i++)
        operators.add(operString[i]);
    }

    private static Collection string = new ArrayList();
    static 
    {
        String[] stringString = 
        {"\""};
        for(int i=0; i<stringString.length; i++)
        string.add(stringString[i]);
    }
    private static Collection flow = new ArrayList();
    static 
    {
        String[] flowString = 
        {"true" , "false" , "null" , "import"};
        for(int i=0; i<flowString.length; i++)
        flow.add(flowString[i]);
    }
    private static Collection resWords = new ArrayList();
    static 
    {
        String[] reswString = 
        {"private", "static", "new", "public", "final", "class", "this",  "synchronized", "native", "package", "if", "then", "else", "finally", "switch", "do", "while", "case", "default", "return", "break", "continue", "throw", "throws", "catch", "try", "for","protected"};
        for(int i=0; i<reswString.length; i++)
        resWords.add(reswString[i]);
    }
    private static void java2html(String fileName) 
    { }
    public static void tabIncrease(boolean up) 
    {
        //prComment(START);out.append("tabs");prComment(END);
        if(up) 
        {
            tabWidth++;
        } else 
        {
            tabWidth--;
        }
        tab=" ";
        for(int i=tabWidth; i>0; i--) 
        {
            tab = tab+"&nbsp;&nbsp;&nbsp;&nbsp;";
        }
    }
    public static void prTitle(String str) 
    {
        out.append("<TITLE>" + str + "</TITLE>");
        out.append("\n");
    }

    public static void prPrimitive(String str) 
    {
        if (comment || lineComment) 
        {
            prJComment(str);
        } else if (stringlit) 
        { 
            prStringLit(str);
        } else 
        {
            out.append("<b><FONT color=red>" + str + "</FONT></b>");
            out.append("\n");
        }
    }
    public static void prVar(String str) 
    {
        if (comment || lineComment) 
        {
            prJComment(str);
        } else if (stringlit) 
        { 
            prStringLit(str);
        } else 
        {
            out.append("<FONT color=red>" + str + "</FONT>");
            out.append("\n");
        }
    }
    public static void prFlow(String str) 
    {
        if (comment || lineComment) 
        {
            prJComment(str);
        } else if (stringlit) 
        { 
            prStringLit(str);
        } else 
        {
            out.append("<b><FONT color=black>" + str + "</FONT></b>");
            out.append("\n");
        }
    }
    public static void prResWord(String str) 
    {
        if (comment 

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