Merge remote-tracking branch 'origin/master'

This reverts commit a25459eae7.

src/main/java/TableExist.java

@@ -1,52 +0,0 @@
-import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.hbase.*;
-import org.apache.hadoop.hbase.client.*;
-import java.io.IOException;
-import java.util.Scanner;
-public class TableExist{
-    public static Configuration configuration;
-    public static Connection connection;
-    public static Admin admin;
-    public static void main(String[] args)throws IOException{
-
-        Scanner sc = new Scanner(System.in);
-        System.out.print("tableName:");
-        String tableName = sc.next();
-        init();
-
-        TableName tn = TableName.valueOf(tableName);
-        if(admin.tableExists(tn)) {
-            System.out.println("table " + tableName + " does exist!");
-        } else {
-            System.out.println("table " + tableName + " don't exist!");
-        }
-        close();
-    }
-    //建立连接
-    public static void init(){
-        //根据 hbase-site.xml文件初始化Configuration 对象
-        configuration  = HBaseConfiguration.create();
-        try{
-            //根据 Configuration对象初始化Connection 对象
-            connection = ConnectionFactory.createConnection(configuration);
-            //获取Admin 对象实例
-            admin = connection.getAdmin();
-        }catch (IOException e){
-            e.printStackTrace();
-        }
-        System.out.println("Connect to HBase successfully!");
-    }
-    //关闭连接
-    public static void close(){
-        try{
-            if(admin != null){
-                admin.close();
-            }
-            if(null != connection){
-                connection.close();
-            }
-        }catch (IOException e){
-            e.printStackTrace();
-        }
-    }
-}