How to check whether the connection is established or not in java? -

How to check whether the connection is established or not in java? -

i want found connection using url getting io exception because server not . want check whether connection established or not how can acheive in java. here code

urlconnection connection = new url(configurationmanagement.getvalue(url)).openconnection(); connection.setrequestproperty("accept-charset", charset); connection.setrequestproperty("user-agent", "mozilla/5.0 (windows; u; windows nt 5.1; en-us; rv:1.9.2.3) gecko/20100401"); // if you'rusing firefox 3.6.3 inputstream response = connection.getinputstream();

can help ?

i getting io exception because server not . want check whether connection established or not how can acheive in java.

you have checked. got ioexception. told you. if want before in piece, phone call connect() or getresponsecode(). if getresponsecode() doesn't throw ioexception , returns 200, read input stream.

java connection urlconnection