question: @ Override public String toString ( ) { StringBuilder sb = new StringBuilder ( 25 ) ; sb . append ( "[" ) ; sb . append ( name ) ; sb . append ( "][" ) ; sb . append ( interfaceIndex ) ; sb . append ( "]" ) ; for ( InetAddress address : addresses ) { sb . append ( "[" ) ; sb . append ( address . toString ( ) ) ; sb . append ( "]" ) ; } return sb . toString ( ) ; }
target:  Returns a string containing details of this network interface. The exact format is deliberately unspecified. Callers that require a specific format should build a string themselves, using this class' accessor methods.