PLEASE COMPLETE IN JAVA CODE import java.util.*; public class Bigrams { public static class Pair { publi

[answerhappygod]

PLEASE COMPLETE IN JAVA CODE
import java.util.*;
public class Bigrams {
public static class Pair<T1, T2>
{
public T1 first;
public T2 second;
public Pair(T1 first, T2
second) {
this.first
= first;

this.second = second;
}
}
protected Map<Pair<String, String>,
Float> bigramCounts;
protected Map<String, Float>
unigramCounts;
// TODO: Given filename fn, read in the file
word by word
// For each word:
// 1. call process(word)
// 2. increment count of that word in
unigramCounts
// 3. increment count of new Pair(prevword,
word) in bigramCounts
public Bigrams(String fn) {
}
// TODO: Given words w1 and w2,
// 1. replace w1 and w2 with process(w1) and
process(w2)
// 2. print the words
// 3. if bigram(w1, w2) is not found, print
"Bigram not found"
// 4. print how many times w1 appears
// 5. print how many times (w1, w2)
appears
// 6. print count(w1, w2)/count(w1)
public float lookupBigram(String w1, String w2)
{
return (float) 0.0;
}
protected String process(String str) {
return
str.toLowerCase().replaceAll("[^a-z]", "");
}
public static void main(String[] args)
{
if (args.length != 1) {

System.out.println("Usage: java Bigrams
<FILENAME>");

System.out.println(args.length);

return;
}
Bigrams bg = new
Bigrams(args[0]);
List<Pair<String,
String>> wordpairs = Arrays.asList(
new
Pair("with", "me"),
new
Pair("the", "grass"),
new
Pair("the", "king"),
new
Pair("to", "you")
);
for (Pair<String,
String> p : wordpairs) {

bg.lookupBigram(p.first, p.second);
}
System.out.println(bg.process("adddaWEFEF38234---+"));
}
}