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What code optimizations techniques you follow in general
practice?
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Answer / meena
1. Elimination repeated sub-expressions.
2. Eliminating the dead- code.
3. Replacing multiplication and division by bit shift operators.
| Is This Answer Correct ? | 10 Yes | 0 No |
Answer / guest
Using Design Patterns Such as FlyWeight.
Use of static variables when-ever possible
using StringBuffer instead of String coz they are immutable
Using interfaces for reducing coupling
Avoiding creating new objects, reusing existing ones
| Is This Answer Correct ? | 2 Yes | 1 No |
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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