import java.io.*;
import java.util.*;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
class FileFrequence implements ActionListener
{
StringTokenizer st,st1;
FileInputStream fr,fr1;
DataInputStream din,din1;
String str,item;
int count;
String word[];
int wordf[];
int num;
String uniqueValues[];
int uniqueFrequence[];
JFrame frame;
JButton b1,b2;
JTextField tf;
JPanel p1,p2,p3,p4,p5,p6;
JFileChooser fileopen;
File file;
String path;
JTextArea jTextArea;
JScrollPane jScrollPane ;
FileFrequence()
{
try{
frame= new JFrame("Text File Word Frequency Calculation");
b1= new JButton("Browes");
b2= new JButton("Calculate");
b1.addActionListener(this);
b2.addActionListener(this);
jTextArea= new JTextArea(" ",20,40);
jScrollPane=new JScrollPane(jTextArea);
fileopen= new JFileChooser();
tf=new JTextField();
p1=new JPanel();
p2=new JPanel();
p3=new JPanel();
p4=new JPanel();
p5=new JPanel();
p6=new JPanel();
p1.setLayout(new GridLayout(2,1));
p2.setLayout(new FlowLayout());
p3.setLayout(new BorderLayout());
p4.setLayout(new BorderLayout());
p5.setLayout(new GridLayout(2,8));
p2.add(b2);
p2.add(b1);
p3.add(p2,BorderLayout.CENTER);
p6.add(jScrollPane);
p1.add(tf);
p1.add(p3);
frame.add(p1,BorderLayout.NORTH);
frame.add(p6,BorderLayout.CENTER);
frame.setVisible(true);
frame.setBounds(100,100,500,500);
}
catch(Exception er)
{}
}
public void actionPerformed(ActionEvent ee)
{
if(ee.getSource()==b1)
{
fileopen.showDialog(null,"Open File");
path=fileopen.getSelectedFile().getPath();
tf.setText(path);
}
else if(ee.getSource()==b2)
{
file= new File(path);
if(file.isFile())
find();
}
}
void find()
{
int n= wordCount();
word= new String[n];
wordf= new int[n];
try{
fr= new FileInputStream(path);
din = new DataInputStream(fr);
while(true)
{
str=din.readLine();
if(str==null)
break;
st= new StringTokenizer(str," ");
while(st.hasMoreTokens())
{
item=st.nextToken();
tokenTravel(item,count);
count++;
}
}
num = getNumUniqueValues();
uniqueValues = new String[num];
uniqueFrequence= new int[num];
for(int j=0,k=0;j<word.length;j++)
{
if(!containsValue(uniqueValues, word[j]))
{
uniqueValues[k] = word[j];
uniqueFrequence[k]=wordf[j];
k++;
}
}
sortString();
int maxf= maxFrequence();
int frecounter=1;
int start=0;
System.out.println("Maximum FRequencu is "+maxf);
for(int i=0;i<uniqueFrequence.length;i++)
{
if(uniqueFrequence[i]==frecounter)
{
i= i+1;
}
else
{
wordSorting(start,i);
start=i;
frecounter++;
}
}
for(int i=0;i<num;i++)
{
System.out.println(uniqueValues[i]+"--"+uniqueFrequence[i]);
jTextArea.setText(jTextArea.getText()+"\n"+uniqueValues[i]+"--:"+Integer.toString(uniqueFrequence[i]));
}
}
catch(Exception ee)
{}
}
void wordSorting(int str,int end)
{
String temp="";
int t=0;
end=end-1;
for (int i=str;i<=end;i++)
{
for (int j=i+1;j<=end;j++)
{
if (uniqueValues[i].compareTo(uniqueValues[j])>0 )
{
temp=uniqueValues[i];
uniqueValues[i]=uniqueValues[j];
uniqueValues[j]=temp;
t= uniqueFrequence[i];
uniqueFrequence[i]= uniqueFrequence[j];
uniqueFrequence[j]=t;
}
}
}
}
int getNumUniqueValues()
{
String[] values = new String[word.length];
int count = 0;
for(int j = 0; j < word.length; j++)
{
if(!containsValue(values, word[j]))
values[count++] = word[j];
}
return count;
}
boolean containsValue(String[] array, String target)
{
for(int j = 0; j < array.length; j++)
{
if(array[j] != null && array[j].equals(target))
return true;
}
return false;
}
void tokenTravel(String item,int n)
{
int count=0;
try{
FileInputStream fr1= new FileInputStream(path);
DataInputStream din1 = new DataInputStream(fr1);
String str1="",item1="";
StringTokenizer st1;
while(true)
{
str1=din1.readLine();
if(str1==null)
break;
st1=new StringTokenizer(str1," ");
while(st1.hasMoreTokens())
{
item1=st1.nextToken();
if(item.equals(item1))
{
count=count+1;
word[n]=item1;
wordf[n]=count;
}
}
}
}
catch(Exception e)
{
}
}
int wordCount()
{
StringTokenizer st;
int wordc=0;
try
{
FileInputStream fr= new FileInputStream("File.txt");
DataInputStream din = new DataInputStream(fr);
String s="";
while(true)
{
s=din.readLine();
if(s==null)
break;
st= new StringTokenizer(s," ");
while(st.hasMoreTokens())
{
st.nextToken();
wordc++;
}
}
}
catch(Exception e)
{}
return wordc;
}
void sortString()
{
int n= uniqueFrequence.length;
int t=0;
String str="";
try{
for ( int i = 0 ; i <= n-2 ; i++ )
{
for ( int j = i + 1 ; j <= n-1 ; j++ )
{
if (uniqueFrequence[i] > uniqueFrequence[j] )
{
t = uniqueFrequence[i] ;
uniqueFrequence[i] = uniqueFrequence[j] ;
uniqueFrequence[j] = t;
str=uniqueValues[i];
uniqueValues[i]=uniqueValues[j];
uniqueValues[j]=str;
}
}
}
for(int i=0;i<n;i++)
{
System.out.println(uniqueFrequence[i]+"--"+uniqueValues[i]);
}
}
catch(Exception e)
{
System.out.println(e);
}
}
int maxFrequence()
{
int max=0;
for(int i=0;i<uniqueFrequence.length;i++)
{
if(uniqueFrequence[i]>=max)
{
max=uniqueFrequence[i];
}
}
return max;
}
public static void main(String ...a)
{
FileFrequence f= new FileFrequence();
}
}
/*******************************program pic on running mod************************/
/**************************pic of file that is read by program*********************/
/**************************Download Zip file of Above Program*********************
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