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Database Interview Question: Java :Question with Answer

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Database interview questions and answers asked in various interviews, faqs,tutorial and articles. Java :Question with Answer. You say that once created, String objects are immutable. I understand that, from a. Practical point of view, this is not a serious restriction, but what if I want to create a string that can be changed? You’re in luck. Java offers a class called StringBuffer, which creates string objects. That can be changed. For example, in addition to the charAt method, which obtains.

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Database Interview Question: Java : Fundamental Question and Answer

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Database interview questions and answers asked in various interviews, faqs,tutorial and articles. Java : Fundamental Question and Answer. Does the use of a code block introduce any run-time inefficiencies? In other words,. Does Java actually execute the { and }? No Code blocks do not add any overhead whatsoever. In fact, because of their ability. To simplify the coding of certain algorithms, their use generally increases speed and. Labels: Ask a Expert. Archive Questions and Answer.

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Database Interview Question: July 2010

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Database interview questions and answers asked in various interviews, faqs,tutorial and articles. Is finalize similar to a destructor? I know that C defines things called destructors, which are automatically executed when an object is destroyed. Is finalize similar to a destructor? Labels: Ask a Expert. Java :Question with Answer. You say that once created, String objects are immutable. I understand that, from a. That can be changed. For example, in addition to the charAt method, which obtains. Reference...

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Database Interview Question: September 2008

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Database interview questions and answers asked in various interviews, faqs,tutorial and articles. Oracle9i AS: Basic Administrations. Title : Oracle9i AS: Basic Administrations. Sample 3- Questions With Answe. The machine hosting your Oracle9iAS Infrastructure has been stopped and the. Operating system has been restarted. Which three steps do you need to take to get Oracle Internet Directory working? A Start Enterprise Manager daemon. B Start the Oracle9iAS metadata repository and the database listener.

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Database Interview Question: Is finalize( ) similar to a destructor?

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Database interview questions and answers asked in various interviews, faqs,tutorial and articles. Is finalize similar to a destructor? I know that C defines things called destructors, which are automatically executed when an object is destroyed. Is finalize similar to a destructor? Labels: Ask a Expert. Archive Questions and Answer. Is finalize similar to a destructor? Java :Question with Answer. Why does String define the equals method? When should I make an instance variable private?

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Database Interview Question: December 2008

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Database interview questions and answers asked in various interviews, faqs,tutorial and articles. LINQ is a programming model that introduces queries as a first-class concept into any Microsoft .NET language. However, complete support for LINQ requires some extensions in the language used. These extensions boost productivity, thereby providing a shorter, meaningful,and expressive syntax to manipulate data. From c in Customers. Where c.Country = "Italy". Select c.CompanyName;. Is this query a new. DataCon...

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Database Interview Question: July 2008

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Database interview questions and answers asked in various interviews, faqs,tutorial and articles. T-SQL Query : How to retrieve only the Nth row from a table? SELECT * FROM t1 a. WHERE n = (SELECT COUNT(rowid). WHERE a.rowid = b.rowid);. SELECT * FROM (. SELECT ENAME,ROWNUM RN FROM EMP WHERE ROWNUM 101 ). SQL statement : How to Delete duplicates rows from a table? Choose one of the following queries to identify or remove duplicate rows from a table leaving only unique records in the table:. For this exam...

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Database Interview Question: The javadoc Tags

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Database interview questions and answers asked in various interviews, faqs,tutorial and articles. Author Identifies the author of a class. Deprecated Specifies that a class or member is deprecated. DocRoot} Specifies the path to the root directory of the current documentation. (Added by Java. 2, version 1.3.). Exception Identifies an exception thrown by a method. InheritDoc} Inherits a comment from the immediate superclass. (Added by Java 2, version 1.4, butnot currently implemented.). Java : Fundamental...

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Database Interview Question: Why does String define the equals( ) method? Can’t I just use ==?

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Database interview questions and answers asked in various interviews, faqs,tutorial and articles. Why does String define the equals method? Can’t I just use =? The equals method compares the character sequences of two String objects for. Equality. Applying the = to two String references simply determines whether the two. References refer to the same object. Labels: Ask a Expert. Archive Questions and Answer. Is finalize similar to a destructor? Java :Question with Answer.