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What is the purpose of garbage collection?
What is the purpose of garbage collection? The purpose of garbage collection is to identify and discard objects that are no longer needed by a program so that their resources may be reclaimed and reused. 2013-01-11, 2345👍, 0💬

What is the difference between the &gt&gt and &gt&gt&gt operators?
What is the difference between the &gt&gt and &gt&gt&gt operators? The &gt&gt operator carries the sign bit when shifting right. The &gt&gt&gt zero-fills bits that have been shifted out. 2012-09-26, 2345👍, 0💬

What is serialization?
What is serialization? Serialization is a mechanism by which you can save the state of an object by converting it to a byte stream. 2013-05-17, 2343👍, 0💬

What an I/O filter?
What an I/O filter? An I/O filter is an object that reads from one stream and writes to another, usually altering the data in some way as it is passed from one stream to another. 2013-01-02, 2342👍, 0💬

What is the Collections API?
What is the Collections API? The Collections API is a set of classes and interfaces that support operations on collections of objects. 2013-04-10, 2341👍, 0💬

What state does a thread enter when it terminates its processing?
What state does a thread enter when it terminates its processing? When a thread terminates its processing, it enters the dead state. 2013-04-09, 2341👍, 0💬

Explain the Inheritance principle.
Explain the Inheritance principle. Inheritance is the process by which one object acquires the properties of another object. 2013-03-01, 2341👍, 0💬

What is the range of the short type?
What is the range of the short type? The range of the short type is -(2^15) to 2^15 - 1. 2012-10-15, 2341👍, 0💬

Can you retrieve complex data types like structs from the PInvoke calls?
Can you retrieve complex data types like structs from the PInvoke calls? Yes, just make sure you re-declare that struct, so that managed code knows what to do with it. 2014-12-08, 2340👍, 0💬

What is the Vector class?
What is the Vector class? The Vector class provides the capability to implement a growable array of objects 2012-09-25, 2340👍, 0💬

Which class is the immediate superclass of the MenuComponent class.
Which class is the immediate superclass of the MenuComponent class. Object 2012-10-17, 2339👍, 0💬

What is static in java?
What is static in java? Static means one per class, not one for each object no matter how many instance of a class might exist. This means that you can use them without creating an instance of a class.Static methods are implicitly final, because overriding is done based on the type of the object, an... 2013-05-01, 2338👍, 0💬

How do I prevent the output of my JSP or Servlet pages from being cached by the browser?
How do I prevent the output of my JSP or Servlet pages from being cached by the browser? You will need to set the appropriate HTTP header attributes to prevent the dynamic content output by the JSP page from being cached by the browser. Just execute the following scriptlet at the beginning of your J... 2013-07-23, 2337👍, 0💬

What is tunnelling?
What is tunnelling? Tunnelling is a route to somewhere. For example, RMI tunnelling is a way to make RMI application get through firewall. In CS world, tunnelling means a way to transfer data. 2013-04-05, 2336👍, 0💬

Can Java code be compiled to machine dependent executable file?
Can Java code be compiled to machine dependent executable file? Yes. There are many tools out there. If you did so, the generated exe file would be run in the specific platform, not cross-platform. 2013-04-06, 2335👍, 0💬

Which characters may be used as the second character of an identifier,but not as the first character of an identifier?
Which characters may be used as the second character of an identifier,but not as the first character of an identifier? The digits 0 through 9 may not be used as the first character of an identifier but they may be used after the first character of an identifier. 2013-02-14, 2335👍, 0💬

What class allows you to read objects directly from a stream?
What class allows you to read objects directly from a stream? The ObjectInputStream class supports the reading of objects from input streams. 2012-12-25, 2335👍, 0💬

If a class is declared without any access modifiers, where may the class be accessed?
If a class is declared without any access modifiers, where may the class be accessed? A class that is declared without any access modifiers is said to have package access. This means that the class can only be accessed by other classes and interfaces that are defined within the same package. 2012-11-16, 2335👍, 0💬

What is your platform's default character encoding?
What is your platform's default character encoding? If you are running Java on English Windows platforms, it is probably Cp1252. If you are running Java on English Solaris platforms, it is most likely 8859_1.. 2013-01-09, 2332👍, 0💬

What are the two kinds of comments in JSP and what's the difference between them.
What are the two kinds of comments in JSP and what's the difference between them. &lt%-- JSP Comment --%&gt &lt!-- HTML Comment --&gt 2013-07-05, 2331👍, 0💬

What is the % operator?
What is the % operator? It is referred to as the modulo or remainder operator. It returns the remainder of dividing the first operand by the second operand. 2012-11-09, 2331👍, 0💬

What must a class do to implement an interface?
What must a class do to implement an interface? It must provide all of the methods in the interface and identify the interface in its implements clause. 2012-10-26, 2331👍, 0💬

Explain different way of using thread?
Explain different way of using thread? The thread could be implemented by using runnable interface or by inheriting from the Thread class. The former is more advantageous, 'cause when you are going for multiple inheritance..the only interface can help. 2013-04-24, 2330👍, 0💬

What is a Concurrent Low Pause Collector?
What is a Concurrent Low Pause Collector? The concurrent low pause collector is a generational collector similar to the default collector. The tenured generation is collected concurrently with this collector. This collector attempts to reduce the pause times needed to collect the tenured generation.... 2013-03-26, 2330👍, 0💬

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.NET C C++ CSS DBA General HTML Java JavaScript JSP JUnit MySQL Networking Oracle Perl Perl PHP PL/SQL RSS Software QA SQL Server Struts Unix Windows XHTML XML