一、Run-time data areas
PC
▪ Each Java Virtual Machine thread has its own pc (program counter)
register.
▪ At any point, each Java Virtual Machine thread is executing the code
of a single method, namely the current method for that thread.
▪ If that m…
使用Java API 上传下载数据 使用Java API上传数据到HDFSHDFS数据的下载 使用Java API上传数据到HDFS
Test
public void test1() throws Exception {//构造一个输入流,代表要上传的数据InputStream input new FileInputStream("d:\\temp\\hadoop-2.7.3.tar.gz…