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What are the names of interfaces that doesn't consists of
method/s ?
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Answer / priyavarzhni
Cloneable interface
Serializable interface
these are called marker interface.
Interface without any method is called Marker or Null
Interface
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Answer / bullbull
How it is possible without the methods? How it works?
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84. try { 85. ResourceConnection con = resourceFactory.getConnection(); 86. Results r = con.query(”GET INFO FROM CUSTOMER”); 87. info = r.getData(); 88. con.close(); 89. } catch (ResourceException re) { 90. errorLog.write(re.getMessage()); 91. } 92. return info; Which is true if a ResourceException is thrown on line 86? 1 Line 92 will not execute. 2 The connection will not be retrieved in line 85. 3 The resource connection will not be closed on line 88. 4 The enclosing method will throw an exception to its caller.
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