飘2

package total;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.util.HashMap;
import java.util.Map;

class Statistics_words {
public Map<String, Integer> map1 = new HashMap<String, Integer>();

public static void main(String arg[]) throws IOException {
String sz[];
Integer num[];
final int MAXNUM = 20;

sz = new String[MAXNUM + 1];
num = new Integer[MAXNUM + 1];
Statistics_words Statistics_words = new Statistics_words();
int account = 1;
// Vector<String> ve1=new Vector<String>();
Statistics_words.textImport();
System.out.println("文本出现单词的次数情况为:");
int g_run = 0;

for (g_run = 0; g_run < MAXNUM + 1; g_run++) {
account = 1;
for (Map.Entry<String, Integer> it : Statistics_words.map1.entrySet()) {
if (account == 1) {
sz[g_run] = it.getKey();
num[g_run] = it.getValue();
account = 2;
}
if (account == 0) {
account = 1;
continue;
}
if (num[g_run] < it.getValue()) {
sz[g_run] = it.getKey();
num[g_run] = it.getValue();
}
// System.out.println("英文单词: "+it.getKey()+" 该英文单词出现次数: "+it.getValue());
}
Statistics_words.map1.remove(sz[g_run]);
}
int g_count = 1;
String tx1 = new String();
for (int i = 0; i < g_run; i++) {
if (sz[i] == null)
continue;
if (sz[i].equals(""))
continue;
tx1 += "出现次数第" + (g_count) + "多的单词为:" + sz[i] + "\t\t\t出现次数: " + num[i] + "\r\n";
System.out.println("出现次数第" + (g_count) + "多的单词为:" + sz[i] + "\t\t\t出现次数: " + num[i]);
g_count++;
}
Statistics_words.textExport(tx1);

}

public void textImport() throws IOException {

File a = new File("C:\\Users\\12903\\Desktop\\a.txt");
FileInputStream b = new FileInputStream(a);
InputStreamReader c = new InputStreamReader(b, "UTF-8");
String string2 = new String();
while (c.ready()) {
char string1 = (char) c.read();
if (!isWord(string1)) {
if (map1.containsKey(string2)) {
Integer num1 = map1.get(string2) + 1;
map1.put(string2, num1);
} else {
Integer num1 = 1;
map1.put(string2, num1);
}
string2 = "";
} else {
string2 += string1;
}
}
if (!string2.isEmpty()) {
if (map1.containsKey(string2)) {
Integer num1 = map1.get(string2) + 1;
map1.put(string2, num1);
} else {
Integer num1 = 1;
map1.put(string2, num1);
}
string2 = "";
}
c.close();
b.close();
}

public void textExport(String txt) throws IOException {
File fi = new File("StatisticsWord.txt");
FileOutputStream fop = new FileOutputStream(fi);
OutputStreamWriter ops = new OutputStreamWriter(fop, "UTF-8");
ops.append(txt);
ops.close();
fop.close();
}

public boolean isWord(char a) {
if (a <= 'z' && a >= 'a' || a <= 'Z' && a >= 'A')
return true;
return false;
}

}