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What value does read() return when it has reached the end of a file?
What value does read() return when it has reached the end of a file? The read() method returns -1 when it has reached the end of a file. 2012-11-05, 2522👍, 0💬

What are the high-level thread states?
What are the high-level thread states? The high-level thread states are ready, running, waiting, and dead. 2012-11-02, 2262👍, 0💬

What is the relationship between the Canvas class and the Graphics class?
What is the relationship between the Canvas class and the Graphics class? A Canvas object provides access to a Graphics object via its paint() method. 2012-11-02, 2539👍, 0💬

How are Java source code files named?
How are Java source code files named? A Java source code file takes the name of a public class or interface that is defined within the file. A source code file may contain at most one public class or interface. If a public class or interface is defined within a source code file, then the source code... 2012-11-01, 2401👍, 0💬

What is an abstract method?
What is an abstract method? An abstract method is a method whose implementation is deferred to a subclass. 2012-11-01, 2451👍, 0💬

What is the purpose of the wait(), notify(), and notifyAll() methods?
What is the purpose of the wait(), notify(), and notifyAll() methods? The wait(),notify(), and notifyAll() methods are used to provide an efficient way for threads to wait for a shared resource. When a thread executes an object's wait() method, it enters the waiting state. It only enters the ready s... 2012-10-31, 2444👍, 0💬

How are commas used in the initialization and iteration parts of a for statement?
How are commas used in the initialization and iteration parts of a for statement? Commas are used to separate multiple statements within the initialization and iteration parts of a for statement. 2012-10-31, 2375👍, 0💬

Which containers may have a MenuBar?
Which containers may have a MenuBar? Frame 2012-10-30, 2416👍, 0💬

What is the advantage of the event-delegation model over the earlier event-inheritance model?
What is the advantage of the event-delegation model over the earlier event-inheritance model? The event-delegation model has two advantages over the event-inheritance model. First, it enables event handling to be handled by objects other than the ones that generate the events (or their containers). ... 2012-10-30, 2633👍, 0💬

Name two subclasses of the TextComponent class.
Name two subclasses of the TextComponent class. TextField and TextArea 2012-10-29, 2700👍, 0💬

What method is invoked to cause an object to begin executing as a separate thread?
What method is invoked to cause an object to begin executing as a separate thread? The start() method of the Thread class is invoked to cause an object to begin executing as a separate thread. 2012-10-29, 2524👍, 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, 2325👍, 0💬

What is the difference between a break statement and a continue statement?
What is the difference between a break statement and a continue statement? A break statement results in the termination of the statement to which it applies (switch, for, do, or while). A continue statement is used to end the current loop iteration and return control to the loop statement. 2012-10-26, 2379👍, 0💬

Can a double value be cast to a byte?
Can a double value be cast to a byte? Yes, a double value can be cast to a byte. 2012-10-25, 2482👍, 0💬

What is the Locale class?
What is the Locale class? The Locale class is used to tailor program output to the conventions of a particular geographic, political, or cultural region. 2012-10-25, 2433👍, 0💬

Which Java operator is right associative?
Which Java operator is right associative? The = operator is right associative. 2012-10-24, 2350👍, 0💬

What is the argument type of a program's main() method?
What is the argument type of a program's main() method? A program's main() method takes an argument of the String[] type. 2012-10-24, 2426👍, 0💬

What is the purpose of the finally clause of a try-catch-finally statement? garbage collector?
What is the purpose of the finally clause of a try-catch-finally statement? garbage collector? The finally clause is used to provide the capability to execute code no matter whether or not an exception is thrown or caught. 2012-10-23, 2478👍, 0💬

How many times may an object's finalize() method be invoked by the garbage collector?
How many times may an object's finalize() method be invoked by the garbage collector? An object's finalize() method may only be invoked once by the garbage collector. 2012-10-23, 2384👍, 0💬

What is the purpose of the Runtime class?
What is the purpose of the Runtime class? The purpose of the Runtime class is to provide access to the Java runtime system. 2012-10-22, 2308👍, 0💬

Which Container method is used to cause a container to be laid out and redisplayed?
Which Container method is used to cause a container to be laid out and redisplayed? validate() 2012-10-22, 2388👍, 0💬

What is the GregorianCalendar class?
What is the GregorianCalendar class? The GregorianCalendar provides support for traditional Western calendars. 2012-10-19, 2369👍, 0💬

Name three subclasses of the Component class.
Name three subclasses of the Component class. Box.Filler, Button, Canvas, Checkbox, Choice, Container, Label, List, Scrollbar, or TextComponent 2012-10-19, 2289👍, 0💬

What is the difference between the Boolean & operator and the && operator?
What is the difference between the Boolean & operator and the && operator? If an expression involving the Boolean & operator is evaluated, both operands are evaluated. Then the & operator is applied to the operand. When an expression involving the && operator is evaluated... 2012-10-18, 2245👍, 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