import
java
.
io
.
File
;
import
java
.
io
.
FileInputStream
;
import
java
.
io
.
FileOutputStream
;
import
java
.
io
.
IOException
;
import
java
.
nio
.
channels
.
FileChannel
;
class
Main
{
public
static
void
copyFile
(
File
src
,
File
dest
)
throws
IOException
{
try
(
FileChannel
sourceChannel
=
new
FileInputStream
(
src
)
.
getChannel
(
)
;
FileChannel
destChannel
=
new
FileOutputStream
(
dest
)
.
getChannel
(
)
)
{
destChannel
.
transferFrom
(
sourceChannel
,
0
,
sourceChannel
.
size
(
)
)
;
}
}
public
static
void
main
(
String
[
]
args
)
{
File
from
=
new
File
(
“src.txt”
)
;
File
to
=
new
File
(
“dest.txt”
)
;
try
{
copyFile
(
from
,
to
)
;
System
.
out
.
println
(
“File copied successfully.”
)
;
}
catch
(
IOException
ex
)
{
ex
.
printStackTrace
(
)
;
}
}
}
