*根据指定项目目录下（可以认为是java源文件目录)中，统计被import最多的类。

import java.util.HashMap;
import java.util.Map;

public class record {
    String[] allrecord;
    // Map<String, Integer> importNumMax=new Map<String, Integer>();
// HashMap     importNumMax     =     new     HashMap(); 
    Map<String, Integer> importNumMax = new HashMap<String, Integer>();

    public record() {
// importNumMax.put(, value)
    }
}

import java.io.*;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class test {
String path = new String();
List<File> allFiles = new ArrayList<File>();
private static String CUSTOM_PATH = "./";
private static String STATIC_PROCESS_STRING = "import";
private static int INITIALIZE_NUM = 1;
private static int IMPORT_MAXNUM = 1;
private String maxImport = new String();
List<String> content = new ArrayList<String>();
String importNumMax = new String();

/**
* @param args
*/
public test(String path) {
this.path = path;
}

public test() {
this.path = CUSTOM_PATH;//默认当前文件夹
}

public void processContent(List<String> waitForProcessContent) {
record myRecord = new record();
String[] record = StringListToArray(waitForProcessContent);
// String regex=" (\b)*;";
Pattern p = Pattern.compile("(?<= ).*(?=;)");
for (int i = 0; i < record.length; i++) {
if (record[i].contains(STATIC_PROCESS_STRING)) {
// System.out.println(record[i]);
Matcher m = p.matcher(record[i]);
while (m.find()) {
if (myRecord.importNumMax.get(m.group()) == null) {
myRecord.importNumMax.put(m.group(), INITIALIZE_NUM);
} else {
int num = myRecord.importNumMax.get(m.group()) + 1;
if (num > IMPORT_MAXNUM) {
maxImport = m.group();
}
myRecord.importNumMax.put(m.group(), num);
}
// int s=myRecord.importNumMax.get(m.group());
// myRecord.importNumMax.put((m.group(),importNumMax.hashCode()++);
// System.out.println(m.group());
// System.out.println(myRecord.importNumMax.get(m.group()));
}
}
}
}

public void
4000
processContent() {
processContent(this.content);

}

public void getContentFromFile(File... files) throws Exception {
File singleFile;
for (int i = 0; i < files.length; i++) {
singleFile = files[i];
getContentFromFile(singleFile);
}
}

public void getContentFromFile(File file) throws Exception {
InputStream in = new FileInputStream(file);
InputStreamReader isr = new InputStreamReader(in, "UTF-8");
BufferedReader br = new BufferedReader(isr);
// List<String> filecontent =new ArrayList<String>();
String line = "";
while ((line = br.readLine()) != null) {// 从文本中读取文件
// filecontent.add(line);
this.content.add(line);
// System.out.print(line);
// System.out.print("\r\n");
}

if (br != null) {
br.close();
}

}

public void getContentFromFile(List<File> listfiles) throws Exception {
File singleFile;
for (int i = 0; i < listfiles.size(); i++) {
singleFile = listfiles.get(i);
getContentFromFile(singleFile);
}
}

public void getContentFromFile() throws Exception {
// File []files=fileListToArray(this.allFiles);
getContentFromFile(this.allFiles);
}

public File[] fileListToArray(List<File> listFiles) {
// File[] aFiles=(File[])T.allFiles.toArray(new File[T.allFiles.size()]);

File[] arrayFiles = new File[listFiles.size()];
for (int i = 0; i < listFiles.size(); i++) {
arrayFiles[i] = listFiles.get(i);
}
return arrayFiles;
}

public String[] StringListToArray(List<String> listStings) {
String[] arrayFiles = new String[listStings.size()];
for (int i = 0; i < listStings.size(); i++) {
arrayFiles[i] = listStings.get(i);
}
return arrayFiles;
}

public void getFilesFromPath(String path) {
File f = new File(path);
File[] files = f.listFiles();
// List<File> listfiles=new ArrayList<File>();
for (int i = 0; i < files.length; i++) {
if (!files[i].isDirectory()) {
this.allFiles.add(files[i]);
} else {
getFilesFromPath(files[i].toString());
}
// System.out.print(files[i]);
// System.out.print("\n");
}
}

public void getFilesFromPath() {
getFilesFromPath(this.path);
}

public static void main(String[] args) throws Exception {
// TODO Auto-generated method stub
test T = new test();
// String fileName="test.txt";
// String path = "d:/tr/rt";
// File f = new File(path);
// File file = new File(f,fileName);
T.getFilesFromPath();
// T.content=T.getContentFromFile(T.fileListToArray(T.allFiles));
T.getContentFromFile();
// for(int i=0;i<T.allFiles.size();i++){
//   System.out.println(T.allFiles.get(i));
// }
// for(int i=0;i<T.content.size();i++){
//   System.out.println(T.content.get(i));
// }

T.processContent();
System.out.print(T.maxImport);
}

}