What is the char data type?

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What is difference between fail-fast and fail-safe?

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Can a class have multiple constructors?

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What is meant by object?

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What are the 7 types of characters?

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What is an object's lock and which object's have locks in java programming?

0 Answers  

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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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In the HashMap, we know the values but we dont know the key, then how can we get the key from HashMap ?????

4 Answers   Kanbay,

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Program to output as below formate: 1 2 3 4 5 6 7 8 9 10

4 Answers   Huawei,

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If we allocate the memory using 'new' & de-allocated using 'free' then what will happen?

0 Answers   CDAC,

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Is alive in java?

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What is string array?

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