Java JSON 包导入失败
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Java JSON package importing failure
提问by kernelbug
I'm working with OpenJDK 7 (openjdk-7-jdk) under Ubuntu, compiling my code with following command
我正在 Ubuntu 下使用 OpenJDK 7 (openjdk-7-jdk)，使用以下命令编译我的代码
javac -d ./classes ./src/Program.java
My code contains imports
我的代码包含导入
...
import java.util.concurrent.ExecutorService;
import javax.json.Json;
import javax.json.stream.JsonParser;
import javax.swing.text.html.parser.ParserDelegator;
...
and i'm getting the following error
我收到以下错误
./src/Program.java:21: error: package javax.json does not exist
import javax.json.Json;
^
./src/Program.java:22: error: package javax.json.stream does not exist
import javax.json.stream.JsonParser;
^
It is curious that there is no problems with importing from javax.swing or java.util.
奇怪的是，从 javax.swing 或 java.util 导入都没有问题。
Please tell, what am i doing wrong?
请告诉，我做错了什么？
采纳答案by kernelbug
steps to follow:
要遵循的步骤：
Download javax.json jar file.
As you have downloaded this jar file, specify it in java compiler classpath, using javac
-classpathkey.As you have your code compiled, then use
-cpkey forjavacommand to specify this jar file in the runtime classpath upon your code execution.
下载此 jar 文件后，请使用 javac
-classpath键在 java 编译器类路径中指定它。编译代码后，请在代码执行时使用
-cpkey forjava命令在运行时类路径中指定此 jar 文件。
More detailed information on classpath settings can be found here: http://kevinboone.net/classpath.html
可以在此处找到有关类路径设置的更多详细信息：http: //kevinboone.net/classpath.html
