Garbage Collection

Q

Does garbage collection guarantee that a program will not run out of memory?

✍: FYIcenter

A

No, it doesn't. It is possible for programs to use up memory resources faster than they are garbage collected. It is also possible for programs to create objects that are not subject to garbage collection.

2007-03-03, 5630👍, 0💬

Anonymous Classes
Can an anonymous class be declared as implementing an interface and extending a class? An anonymous class may implement an interface or extend a superclass, but may not be declared to do both. 2007-03-03, 6836👍, 0💬

Infinite Loops
How can you write a loop indefinitely? Two examples are listed in the following code: for(;;) { ... } while(true) { ... } 2007-03-03, 6454👍, 0💬

Vector and ArrayList Classes
What is the main difference between a Vector and an ArrayList? Java Vector class is internally synchronized and ArrayList is not. 2007-03-03, 6430👍, 0💬

Native Method
What is a native method? A native method is a method that is implemented in a language other than Java. 2007-03-03, 5958👍, 0💬

Garbage Collection
Does garbage collection guarantee that a program will not run out of memory? No, it doesn't. It is possible for programs to use up memory resources faster than they are garbage collected. It is also possible for programs to create objects that are not subject to garbage collection. 2007-03-03, 5631👍, 0💬

Component Subclasses in Swing Package
Name Component subclasses that support painting? The Canvas, Frame, Panel, and Applet classes support painting. 2007-03-03, 5502👍, 0💬

Wrapped Classes
What are wrapped classes? Wrapped classes are classes that allow primitive types to be accessed as objects. 2007-03-03, 5458👍, 0💬

Preemptive Scheduling
What is the difference between preemptive scheduling and time slicing? Under preemptive scheduling, the highest priority task executes until it enters the waiting or dead states or a higher priority task comes into existence. Under time slicing, a task executes for a predefined slice of time and the... 2007-03-03, 5338👍, 0💬

Modifiers on Inner Classes
What modifiers may be used with an inner class that is a member of an outer class? A inner class may be declared as public, protected, private, static, final, or abstract. 2007-03-03, 5234👍, 0💬

All rights in the contents of this web site are reserved by the individual author. fyicenter.com does not guarantee the truthfulness, accuracy, or reliability of any contents.