Skip to content
体验新版
项目
组织
正在加载...
登录
切换导航
打开侧边栏
吕明琪
java8-tutorial
提交
f2d7b5b2
J
java8-tutorial
项目概览
吕明琪
/
java8-tutorial
与 Fork 源项目一致
从无法访问的项目Fork
通知
1
Star
0
Fork
0
代码
文件
提交
分支
Tags
贡献者
分支图
Diff
Issue
0
列表
看板
标记
里程碑
合并请求
0
Wiki
0
Wiki
分析
仓库
DevOps
项目成员
Pages
J
java8-tutorial
项目概览
项目概览
详情
发布
仓库
仓库
文件
提交
分支
标签
贡献者
分支图
比较
Issue
0
Issue
0
列表
看板
标记
里程碑
合并请求
0
合并请求
0
Pages
分析
分析
仓库分析
DevOps
Wiki
0
Wiki
成员
成员
收起侧边栏
关闭侧边栏
动态
分支图
创建新Issue
提交
Issue看板
前往新版Gitcode,体验更适合开发者的 AI 搜索 >>
提交
f2d7b5b2
编写于
9月 05, 2018
作者:
B
Benjamin Winterberg
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
More Java 11 examples
上级
4b92b43d
变更
3
隐藏空白更改
内联
并排
Showing
3 changed file
with
74 addition
and
3 deletion
+74
-3
src/com/winterbe/java11/HttpClientExamples.java
src/com/winterbe/java11/HttpClientExamples.java
+4
-3
src/com/winterbe/java11/Misc.java
src/com/winterbe/java11/Misc.java
+69
-0
src/com/winterbe/java11/dummy.txt
src/com/winterbe/java11/dummy.txt
+1
-0
未找到文件。
src/com/winterbe/java11/HttpClientExamples.java
浏览文件 @
f2d7b5b2
...
...
@@ -19,26 +19,25 @@ public class HttpClientExamples {
}
private
static
void
syncRequest
()
throws
IOException
,
InterruptedException
{
var
client
=
HttpClient
.
newHttpClient
();
var
request
=
HttpRequest
.
newBuilder
()
.
uri
(
URI
.
create
(
"https://winterbe.com"
))
.
build
();
var
client
=
HttpClient
.
newHttpClient
();
HttpResponse
<
String
>
response
=
client
.
send
(
request
,
HttpResponse
.
BodyHandlers
.
ofString
());
System
.
out
.
println
(
response
.
body
());
}
private
static
void
asyncRequest
()
{
var
client
=
HttpClient
.
newHttpClient
();
var
request
=
HttpRequest
.
newBuilder
()
.
uri
(
URI
.
create
(
"https://winterbe.com"
))
.
build
();
var
client
=
HttpClient
.
newHttpClient
();
client
.
sendAsync
(
request
,
HttpResponse
.
BodyHandlers
.
ofString
())
.
thenApply
(
HttpResponse:
:
body
)
.
thenAccept
(
System
.
out
::
println
);
}
private
static
void
postData
()
throws
IOException
,
InterruptedException
{
var
client
=
HttpClient
.
newHttpClient
();
var
request
=
HttpRequest
.
newBuilder
()
.
uri
(
URI
.
create
(
"https://postman-echo.com/post"
))
.
timeout
(
Duration
.
ofSeconds
(
30
))
...
...
@@ -46,12 +45,14 @@ public class HttpClientExamples {
.
header
(
"Content-Type"
,
"text/plain"
)
.
POST
(
HttpRequest
.
BodyPublishers
.
ofString
(
"Hi there!"
))
.
build
();
var
client
=
HttpClient
.
newHttpClient
();
var
response
=
client
.
send
(
request
,
HttpResponse
.
BodyHandlers
.
ofString
());
System
.
out
.
println
(
response
.
statusCode
());
// 200
}
private
static
void
basicAuth
()
throws
IOException
,
InterruptedException
{
var
client
=
HttpClient
.
newHttpClient
();
var
request1
=
HttpRequest
.
newBuilder
()
.
uri
(
URI
.
create
(
"https://postman-echo.com/basic-auth"
))
.
build
();
...
...
src/com/winterbe/java11/Misc.java
0 → 100644
浏览文件 @
f2d7b5b2
package
com.winterbe.java11
;
import
java.io.File
;
import
java.io.FileOutputStream
;
import
java.io.IOException
;
import
java.util.List
;
import
java.util.Map
;
import
java.util.Optional
;
import
java.util.stream.Collectors
;
import
java.util.stream.Stream
;
public
class
Misc
{
@Deprecated
(
forRemoval
=
true
)
String
foo
;
public
static
void
main
(
String
[]
args
)
throws
IOException
{
collections
();
strings
();
optionals
();
inputStreams
();
streams
();
}
private
static
void
streams
()
{
System
.
out
.
println
(
Stream
.
ofNullable
(
null
).
count
());
// 0
System
.
out
.
println
(
Stream
.
of
(
1
,
2
,
3
,
2
,
1
)
.
dropWhile
(
n
->
n
<
3
)
.
collect
(
Collectors
.
toList
()));
// [3, 2, 1]
System
.
out
.
println
(
Stream
.
of
(
1
,
2
,
3
,
2
,
1
)
.
takeWhile
(
n
->
n
<
3
)
.
collect
(
Collectors
.
toList
()));
// [1, 2]
}
private
static
void
inputStreams
()
throws
IOException
{
var
classLoader
=
ClassLoader
.
getSystemClassLoader
();
var
inputStream
=
classLoader
.
getResourceAsStream
(
"com/winterbe/java11/dummy.txt"
);
var
tempFile
=
File
.
createTempFile
(
"dummy-copy"
,
"txt"
);
try
(
var
outputStream
=
new
FileOutputStream
(
tempFile
))
{
inputStream
.
transferTo
(
outputStream
);
}
System
.
out
.
println
(
tempFile
.
length
());
}
private
static
void
optionals
()
{
System
.
out
.
println
(
Optional
.
of
(
"foo"
).
orElseThrow
());
// foo
System
.
out
.
println
(
Optional
.
ofNullable
(
null
).
or
(()
->
Optional
.
of
(
"bar"
)).
get
());
// bar
System
.
out
.
println
(
Optional
.
of
(
"foo"
).
stream
().
count
());
// 1
}
private
static
void
strings
()
{
System
.
out
.
println
(
" "
.
isBlank
());
System
.
out
.
println
(
" Foo Bar "
.
strip
());
// "Foo Bar"
System
.
out
.
println
(
" Foo Bar "
.
stripTrailing
());
// " Foo Bar"
System
.
out
.
println
(
" Foo Bar "
.
stripLeading
());
// "Foo Bar "
System
.
out
.
println
(
"Java"
.
repeat
(
3
));
// "JavaJavaJava"
System
.
out
.
println
(
"A\nB\nC"
.
lines
().
count
());
// 3
}
private
static
void
collections
()
{
var
list
=
List
.
of
(
"A"
,
"B"
,
"C"
);
var
copy
=
List
.
copyOf
(
list
);
System
.
out
.
println
(
list
==
copy
);
// true
var
map
=
Map
.
of
(
"A"
,
1
,
"B"
,
2
);
System
.
out
.
println
(
map
);
}
}
src/com/winterbe/java11/dummy.txt
0 → 100644
浏览文件 @
f2d7b5b2
Foobar
\ No newline at end of file
编辑
预览
Markdown
is supported
0%
请重试
或
添加新附件
.
添加附件
取消
You are about to add
0
people
to the discussion. Proceed with caution.
先完成此消息的编辑!
取消
想要评论请
注册
或
登录