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What environment variables do I need to set on my machine in order to be able to run Java programs?
What environment variables do I need to set on my machine in order to be able to run Java programs? CLASSPATH and PATH are the two variables. 2013-05-07, 2360👍, 0💬

Does garbage collection guarantee that a program will not run out of memory?
Does garbage collection guarantee that a program will not run out of memory? Garbage collection does not guarantee that a program will not run out of memory. It is possible for programs to use up memory resources faster than they are garbage collected. It is also possible for programs to create obje... 2012-10-02, 2360👍, 0💬

What modifiers may be used with an inner class that is a member of an outer class?
What modifiers may be used with an inner class that is a member of an outer class? A (non-local) inner class may be declared as public, protected, private, static, final, or abstract. 2012-09-25, 2360👍, 0💬

How can I shut off the warning: possible pointer alignment problem ...
How can I shut off the ``warning: possible pointer alignment problem'' message which lint gives me for each call to malloc? A modern lint shouldn't be complaining about this. Once upon a time, lint did not and could not know that malloc ``returns a pointer to space suitably aligned for storage of an... 2016-06-03, 2359👍, 0💬

What is synchronization and why is it important?
What is synchronization and why is it important? With respect to multithreading, synchronization is the capability to control the access of multiple threads to shared resources. Without synchronization, it is possible for one thread to modify a shared object while another thread is in the process of... 2013-06-05, 2359👍, 0💬

Can main() method be overloaded?
Can main() method be overloaded? Yes. the main() method is a special method for a program entry. You can overload main() method in any ways. But if you change the signature of the main method, the entry point for the program will be gone. 2013-02-25, 2359👍, 0💬

What is the difference between a public and a non-public class?
What is the difference between a public and a non-public class? A public class may be accessed outside of its package. A non-public class may not be accessed outside of its package. 2013-01-22, 2359👍, 0💬

What classes of exceptions may be caught by a catch clause?
What classes of exceptions may be caught by a catch clause? A catch clause can catch any exception that may be assigned to the Throwable type. This includes the Error and Exception types. 2012-11-15, 2359👍, 0💬

What is numeric promotion?
What is numeric promotion? Numeric promotion is the conversion of a smaller numeric type to a larger numeric type, so that integer and floating-point operations may take place. In numerical promotion, byte, char, and short values are converted to int values. The int values are also converted to long... 2013-01-21, 2358👍, 0💬

What is the range of the char type?
What is the range of the char type? The range of the char type is 0 to 2^16 - 1. 2012-10-16, 2357👍, 0💬

If a variable is declared as private, where may the variable be accessed?
If a variable is declared as private, where may the variable be accessed? A private variable may only be accessed within the class in which it is declared. 2012-11-07, 2355👍, 0💬

Which Java operator is right associative?
Which Java operator is right associative? The = operator is right associative. 2012-10-24, 2355👍, 0💬

What are the Object and Class classes used for?
What are the Object and Class classes used for? The Object class is the highest-level class in the Java class hierarchy. The Class class is used to represent the classes and interfaces that are loaded by a Java program. 2012-08-08, 2355👍, 0💬

What is the test coverage?
From the following code, atleast how many test cases are needed to guarantee 100%coverage Input Number_of_Coins Total=0 While Number_of_Coins>0 Input Value_of_Coin Total=Total + Value_of_Coin Number_Of_Coins=Number_of_Coin s- 1 End Loop Print "Your coins are worth" & Total What is the correct op... 2014-11-24, 2353👍, 0💬

Which containers use a FlowLayout as their default layout?
Which containers use a FlowLayout as their default layout? The Panel and Applet classes use the FlowLayout as their default layout. 2013-04-09, 2353👍, 0💬

To what value is a variable of the boolean type automatically initialized?
To what value is a variable of the boolean type automatically initialized? The default value of the boolean type is false. 2013-01-22, 2347👍, 0💬

What are stored procedures? How is it useful?
What are stored procedures? How is it useful? A stored procedure is a set of statements/commands which reside in the database. The stored procedure is pre-compiled and saves the database the effort of parsing and compiling sql statements everytime a query is run. Each database has its own stored pro... 2013-07-17, 2345👍, 0💬

What invokes a thread's run() method?
What invokes a thread's run() method? After a thread is started, via its start() method or that of the Thread class, the JVM invokes the thread's run() method when the thread is initially executed. 2012-10-18, 2345👍, 0💬

The method that transfers ASP.NET execution to another page, but returns to the original page when it is done is ...
The method that transfers ASP.NET execution to another page, but returns to the original page when it is done is ... The method that transfers ASP.NET execution to another page, but returns to the original page when it is done is * Server.Transfer() * Server.Redirect() * Server.Execute() * Server.Re... 2014-06-18, 2344👍, 0💬

What does Perl do if you try to exploit the execve(2) race involving setuid scripts?
What does Perl do if you try to exploit the execve(2) race involving setuid scripts? Sends mail to root and exits. It has been said that all programs advance to the point of being able to automatically read mail. While not quite at that point (well, without having a module loaded), Perl does at leas... 2013-09-02, 2344👍, 0💬

State the significance of public, private, protected, default modifiers both singly and in combination and state the effect of
State the significance of public, private, protected, default modifiers both singly and in combination and state the effect of package relationships on declared items qualified by these modifiers. public : Public class is visible in other packages, field is visible everywhere (class must be public t... 2013-04-30, 2344👍, 0💬

Describe synchronization in respect to multithreading.
Describe synchronization in respect to multithreading. With respect to multithreading, synchronization is the capability to control the access of multiple threads to shared resources. Without synchonization, it is possible for one thread to modify a shared variable while another thread is in the pro... 2013-04-23, 2344👍, 0💬

Why do threads block on I/O?
Why do threads block on I/O? Threads block on i/o (that is enters the waiting state) so that other threads may execute while the i/o Operation is performed. 2013-02-12, 2344👍, 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, 2344👍, 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