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使用Java程序通过http post访问ABAP Netweaver服务器

Created by Jerry Wang, last modified on Aug 20, 2014source code如下:运行结果:application server会解析出Java program传入的http 请求中的"a", 然后从DB table scarr 中查找对应的记录，返...

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请问java程序中处理文件大量访问底层操作系统，请问这对操作系统和java系统的性能有多大影响？

请问java程序中处理文件大量访问系统内存，请问这对操作系统和java系统的性能有多大影响？

请问java程序中处理文件大量访问磁盘，请问这对操作系统和java系统的性能有多大影响？

java程序中处理文件大量访问系统内存，请问这对操作系统和java系统的性能有多大影响？

java程序中处理文件大量访问底层操作系统，请问这对操作系统和java系统的性能有多大影响？

使用Java程序通过http post访问ABAP Netweaver服务器

Created by Jerry Wang, last modified on Aug 20, 2014 source code如下: import java.io.FileNotFoundException; import java.io.IOException; import org.apach...

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为了验证连接JDBC程序后，获得RecordSet以后，数据库连接切断后会有什么状况出现，做如下测试：获得数据库连接、执行SQL文，得到Recordset，sleep一段时间，切断连接。程序继续运行测试用代码如下：复制代码 import java.sql.*; import j...

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