FazBrowse GitHub Viewer
|
Trending
|
URL:
|
Home
Tools:
[Download Repo ZIP]
[View Raw Code]
[Original HTTPS Page]
OnJava8-Examples/exceptions/EffectivelyFinalTWR.java at master · CSapprenticeWT/OnJava8-Examples · GitHub
CSapprenticeWT
OnJava8-Examples
Repository navigation
Code
Pull requests
Actions
Projects
Security and quality
Insights
Expand file tree
Breadcrumbs
OnJava8-Examples
/
exceptions
/
EffectivelyFinalTWR.java
Copy path
More file actions
More file actions
Latest commit
History
History
History
48 lines (47 loc) · 1.19 KB
Breadcrumbs
OnJava8-Examples
/
exceptions
/
EffectivelyFinalTWR.java
Copy path
File metadata and controls
48 lines (47 loc) · 1.19 KB
Raw
Copy raw file
Download raw file
Open symbols panel
Edit and raw actions
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
// exceptions/EffectivelyFinalTWR.java
// (c)2021 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
// {NewFeature} Since JDK 9
import
java
.
io
.*;
public
class
EffectivelyFinalTWR
{
static
void
old
() {
try
(
InputStream
r1
=
new
FileInputStream
(
new
File
(
"TryWithResources.java"
));
InputStream
r2
=
new
FileInputStream
(
new
File
(
"EffectivelyFinalTWR.java"
));
) {
r1
.
read
();
r2
.
read
();
}
catch
(
IOException
e
) {
// Handle exceptions
}
}
static
void
jdk9
()
throws
IOException
{
final
InputStream
r1
=
new
FileInputStream
(
new
File
(
"TryWithResources.java"
));
// Effectively final:
InputStream
r2
=
new
FileInputStream
(
new
File
(
"EffectivelyFinalTWR.java"
));
try
(
r1
;
r2
) {
r1
.
read
();
r2
.
read
();
}
// r1 and r2 are still in scope. Accessing
// either one throws an exception:
r1
.
read
();
r2
.
read
();
}
public
static
void
main
(
String
[]
args
) {
old
();
try
{
jdk9
();
}
catch
(
IOException
e
) {
System
.
out
.
println
(
e
);
}
}
}
/* Output:
java.io.IOException: Stream Closed
*/
Back
|
FazBrowse Home
|
New Git URL