ObjectOutputStream oos = null; try { oos = new ObjectOutputStream(new BufferedOutputStream(new FileOutputStream("d:/object"))); user user = new user("hj","21130124",18); oos.writeObject(user);//将一个对象序列化到外部
Code This branch is22 commits behindsuperhj1987/pragmatic-java-engineer:master. README GPL-3.0 license 《Java工程师修炼之道》 书籍 代码 勘误 已开源章节 1.1 后端基础设施 1.2 Java后端技术概览 1.3 如何学习后端技术 2.1 项目构建 2.2 代码版本控制 ...
}publicstaticvoidmain(String[] args)throwsException {// source: bytecodes/HelloTemplateImpl.javabyte[] code = Base64.getDecoder().decode("yv66vgAAADQAIQoABgASCQATABQIABUKABYAFwcAGAcAGQEA"+"CXRyYW5zZm9ybQEAcihMY29tL3N1bi9vcmcvYXBhY2hlL3hhbGFuL2ludGVybmFsL3hzbHRjL0RP"+"TTtbTGNvbS9z...
{“@type”:“com.sun.org.apache.xalan.internal.xsltc.trax.TemplatesImpl”,“_bytecodes”:[“yv66vgAAADQAJgoABwAXCgAYABkIABoKABgAGwcAHAoABQAXBwAdAQAGPGluaXQ+AQADKClWAQAEQ29kZQEAD0xpbmVOdW1iZXJUYWJsZQEACkV4Y2VwdGlvbnMHAB4BAAl0cmFuc2Zvcm0BAKYoTGNvbS9zdW4vb3JnL2FwYWNoZS94YWxhbi9pbnRlcm5h...
<maven.compiler.source>1.6</maven.compiler.source> <maven.compiler.target>1.6</maven.compiler.target> </properties> <dependencies> <dependency> <groupId>javax.servlet</groupId> <artifactId>jstl</artifactId> <!-- 这里需要将jstl设置为1.2 --> ...
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This JEP removes these components from the JDK source code. JEP 411: Deprecate the Security Manager for Removal –The Security Manager dates back to Java 1.0. It has not been the primary means of securing client-side Java code for many years, and it has rarely been used to secure server-...
Java Bcel字节码基础介绍BCEL全名Byte Code Engineering Library (BCEL),属于Apache Commons项目的一个子项目,BCEL库提供了一系列用于分析、创建、修改Java Class文件的API,是 Apache Software Foundation 的 Jakarta 项目的一部分。BCEL 是 Java classworking 最广泛使
https://stackoverflow.com/questions/47309859/what-is-contained-in-code-internal-sections-of-jcmd pmap pmap工具可以查看进程的内存分布情况。一般使用pmap -x pid查看。 可以把pmap 看到的内存和 jcmd pid VM.native_memory detail 的结果比对,两遍的内存地址是能对应的,如果是jni库申请的内存,在nmt看不到,...
搜索openConnection ,可以看到在方法 ueditorCatchImage() 下,参数 source[] 直接可控,当执行到 conn.getContentType().indexOf("image") 时就会去请求相应的资源。 搜索调用 ueditorCatchImage() 方法的位置,可以看到访问路径为 /ueditor,action 参数需要等于 catchimage。