import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.TreeMap;
class wordCounter2 {
String readFile(String fileName) throws IOException {
BufferedReader br = new BufferedReader(new FileReader(fileName));
try {
StringBuilder sb = new StringBuilder();
String line = br.readLine();
while (line != null) {
sb.append(line);
sb.append(" ");
line = br.readLine();
}
return sb.toString();
} finally {
br.close();
}
}
void countAllWords(String filename) throws IOException
{
String fileContent = readFile(filename);
String[] arr = fileContent.split(" ");
Map<String, Integer> map = new HashMap<>();
for (String w : arr)
{
Integer n = map.get(w);
n = (n == null) ? 1 : ++n;
map.put(w, n);
}
Map <String, Integer> sortedMap = new TreeMap<String, Integer>(map);
System.out.println("After Sorting:");
Set<Entry<String, Integer>> set2 = sortedMap.entrySet();
Iterator<Entry<String, Integer>> iterator2 = set2.iterator();
while(iterator2.hasNext()) {
Map.Entry me2 = (Map.Entry)iterator2.next();
System.out.print(me2.getKey() + ": ");
System.out.println(me2.getValue());
}
int maxValueInMap=(Collections.max(sortedMap.values())); // This will return max value in the Hashmap
for (Entry<String, Integer> entry : sortedMap.entrySet()) { // Itrate through hashmap
if (entry.getValue()==maxValueInMap) {
System.out.println("Max Frequency: " + entry.getKey() + " ==> " + entry.getValue()); // Print the key with max value
}
}
}
void countWords(String filename, String word) throws IOException
{
String fileContent = readFile(filename);
String[] arr = fileContent.split(" ");
int counter = 0;
for (int i=0; i<arr.length; i++)
{
if (arr[i].equals(word))
{counter = counter + 1;}
else
continue;
}
System.out.println(counter);
}
}
public class wordCount2{
public static void main (String args[]) throws IOException
{
wordCounter2 wordcounter = new wordCounter2();
wordcounter.countAllWords("hello.txt");
//wordcounter.countWords("hello.txt", "Socket");
}
}
