what is actual real time using of oops concepts in projects(Interface,polymorphism.abstraction.........)

2 Answers  

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Is linked list a linear or non-linear data structure?

0 Answers   Akamai Technologies,

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Why do we need array in java?

0 Answers  

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How do you identify independent and dependent variables?

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How do you access command-line arguments within the code?

0 Answers   Flextronics, Hexaware,

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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.

1 Answers  

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What is the difference between equals() and == in java?

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What is the difference between hashset and treeset in java?

0 Answers  

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Is &&= a valid Java operator?

2 Answers  

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What do you mean by append?

0 Answers  

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How do I convert a numeric ip address like 192.18.97.39 into a hostname like java.sun.com?

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What is final, finally, finalize?

0 Answers  

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