SOURCE CODE:
-----------------
import java.io.*;
class files
{
String s[]=new String[100];
String str="",m,t;
int x,size=0,i,tem,j=0,chg;
int a[]=new int[100];
int b[]=new int[100];
int c[]=new int[100];
files(String s1,String s2)throws
IOException
{
File r=new File(s1);
File w=new File(s2);
FileInputStream fin=new
FileInputStream(r);
FileOutputStream fout=new
FileOutputStream(w);
do{
i=fin.read();
if(i!=-1)
{
str=str+(char)i;
if((char)i=='\n')
{
s[j]=str;
j++;
size++;
str="";
}
}
}
while(i!=-1);
for(int l=0;l<size;l++)
{
if(s[l]==null)
break;
m=s[l];
t="tata";
b[l]=a[l]=search(m,t);
}
for(int p=0;p<size;p++)
{
for(int q=0;q<size;q++)
{
if(b[q]<b[q+1])
{
tem=b[q];
b[q]=b[q+1];
b[q+1]=tem;
}
}
}
for(int h=0;h<size;h++)
{
x=b[h];
c[h]=linear(x,a,size);
}
for(int y=0;y<size;y++)
{
chg=c[y];
byte buf[]=s[chg].getBytes();
fout.write(buf);
}
}
static int linear(int x,int a[],int
size)
{
int m,d,item=x,siz=size;
for(d=0;d<=siz;d++)
{
if(item==a[d])
{
m=d;
break;
}
}
return d;
}
static int search(String m,String c)
{
int ch,ma,inc=0;
String pat,main,check;
pat=main=m;
check=c;
do{
pat=main.substring(0,4);
if(pat.equalsIgnoreCase(check))
++inc;
main=main.substring(1);
ch=check.length();
ma=main.length();
}
while(ch<ma);
return inc;
}
}
class filehand
{
public static void main(String
a[])throws IOException
{
DataInputStream in=new
DataInputStream(System.in);
String s1,s2;
System.out.println("enter the read
file name :");
s1=in.readLine();
System.out.println("enter the
write file name:");
s2=in.readLine();
files f=new files(s1,s2);
System.out.println("successfully
writed");
}
}
OUTPUT
---------
C:\j2sdk1.4.0\bin>javac
filehand.java
C:\j2sdk1.4.0\bin>java filehand
enter the read file name :
input.txt
enter the write file name:
output.txt
successfully writed
“Input.txt”
jfjksdf tata fji
fjksdfi tatt fg tata taata tata
jfijsdf tata tjkltj tatta tata tata
“Output.txt”
jfijsdf tata tjkltj tatta tata tata
fjksdfi tatt fg tata taata tata
jfjksdf tata fji
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