銆?/p>
Java
璇█绋嬪簭璁捐锛堝熀纭�绡囷級
銆?/p>
锛堢
10
鐗?/p>
姊佸媷
钁楋級
绗崄涓冪珷
缁冧範棰樼瓟妗?/p>
17.1
import
java.io.*;
import
java.util.*;
public
class
Exercise17_01 {
public
static
void
main(String[] args)
throws
IOException {
try
(
Formatter output =
new
Formatter(
new
FileOutputStream(
"Exercise17_01.txt"
,
true
));
) {
for
(
int
i = 0; i < 100; i++)
output.format(
"%d"
, (
int
)(Math.random() * 100000));
}
}
}
17.2
import
java.io.*;
public
class
Exercise17_02 {
public
static
void
main(String[] args)
throws
IOException {
try
(
DataOutputStream output =
new
DataOutputStream(
new
FileOutputStream(
"Exercise17_02.dat"
,
true
));
) {
for
(
int
i = 0; i < 100; i++)
output.writeInt((
int
)(Math.random() * 100000));
}
System.out.println(
"Done"
);
}
}
17.3
import
java.io.*;