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Question-1. How do you set the frame rate in AS3?
Answer-1: Use stage.frameRate = value; to set the frame rate for a Flash application.
Question-2. What is the Loader class in AS3?
Answer-2: The Loader class is used to load external content like images or SWF files.
Question-3. How do you load an external image in AS3?
Answer-3: Use the Loader class, e.g., var loader:Loader = new Loader(); loader.load(new URLRequest("image.jpg"));.
Question-4. What is the Timer class in ActionScript 3.0?
Answer-4: The Timer class is used to create a timer that dispatches events at specified intervals.
Question-5. How do you create an instance of the Timer class?
Answer-5: Use var timer:Timer = new Timer(1000, 5);.
Question-6. How do you stop a running Timer?
Answer-6: Use the timer.stop() method.
Question-7. What is the URLLoader class in AS3?
Answer-7: URLLoader is used to load text or binary data from external URLs.
Question-8. How do you handle errors in ActionScript 3.0?
Answer-8: Use try...catch blocks to handle runtime errors.
Question-9. What is a Dynamic class in AS3?
Answer-9: A Dynamic class allows properties to be added or removed at runtime.
Question-10. What are access modifiers in AS3?
Answer-10: Access modifiers include public, private, protected, and internal.
Question-11. How do you declare a constant in AS3?
Answer-11: Use the const keyword, e.g., const PI:Number = 3.14;.
Question-12. What is the Boolean data type in AS3?
Answer-12: Boolean represents true or false values.
Question-13. What is the difference between == and === in AS3?
Answer-13: == compares values, while === compares both values and types.
Question-14. How do you create an array in AS3?
Answer-14: Use square brackets or the Array class, e.g., var myArray:Array = [1, 2, 3];.
Question-15. How do you add an element to an array?
Answer-15: Use the push method, e.g., myArray.push(4);.
Question-16. What is the XML class in AS3?
Answer-16: The XML class is used for working with XML data.
Question-17. How do you parse an XML string in AS3?
Answer-17: Use the XML constructor, e.g., var xml:XML = new XML(xmlString);.
Question-18. What is the Sound class in AS3?
Answer-18: The Sound class is used to load and control audio files.
Question-19. How do you play a sound in AS3?
Answer-19: Use the Sound class, e.g., var sound:Sound = new Sound(); sound.load(new URLRequest("audio.mp3")); sound.play();.
Question-20. What is an interface in ActionScript 3.0?
Answer-20: An interface defines a contract that a class must implement, using the interface keyword.
Question-21. How do you implement an interface in a class?
Answer-21: Use the implements keyword, e.g., class MyClass implements MyInterface { }.
Question-22. What is the purpose of the EventDispatcher class?
Answer-22: EventDispatcher is the base class for all classes that support event handling.
Question-23. How do you stop an event from propagating?
Answer-23: Use the stopPropagation() or stopImmediatePropagation() method on the event object.
Question-24. What is a static method in AS3?
Answer-24: A static method belongs to the class itself, not an instance, and is declared using the static keyword.
Question-25. How do you create a static method?
Answer-25: Use the static keyword, e.g., public static function myStaticMethod():void { }.
Question-26. What is a vector in ActionScript 3.0?
Answer-26: A vector is a typed array that holds elements of a single data type, e.g., Vector.
Question-27. How do you declare a vector in AS3?
Answer-27: Use Vector.
Question-28. What is garbage collection in AS3?
Answer-28: Garbage collection automatically reclaims memory occupied by objects no longer in use.
Question-29. How do you pause and resume animations in AS3?
Answer-29: Control the play() and stop() methods of a MovieClip.
Question-30. What is the NetStream class in AS3?
Answer-30: The NetStream class is used for streaming media, such as video or audio.
Question-31. What is the getChildByName method used for?
Answer-31: It retrieves a child display object by its name.
Question-32. What is the main use of ActionScript 3.0?
Answer-32: ActionScript 3.0 is used for developing interactive Flash applications, games, and animations.
Question-33. What is ActionScript 3.0?
Answer-33: ActionScript 3.0 (AS3) is an object-oriented programming language used primarily for Adobe Flash applications.
Question-34. What is the main difference between ActionScript 2.0 and 3.0?
Answer-34: ActionScript 3.0 is faster, strictly typed, and fully object-oriented compared to ActionScript 2.0.
Question-35. How do you define a variable in ActionScript 3.0?
Answer-35: Use the var keyword, e.g., var x:int = 10;.
Question-36. What are the basic data types in AS3?
Answer-36: Basic types include int, uint, Number, String, Boolean, Object, and Array.
Question-37. How do you define a function in ActionScript 3.0?
Answer-37: Use the function keyword, e.g., function greet():void { trace("Hello!"); }.
Question-38. What is the trace() function used for?
Answer-38: trace() is used to output messages to the output panel for debugging.
Question-39. What is the Event class in ActionScript 3.0?
Answer-39: The Event class represents events in AS3, such as mouse clicks or keyboard input.
Question-40. How do you handle events in ActionScript 3.0?
Answer-40: Use the addEventListener method, e.g., button.addEventListener(MouseEvent.CLICK, onClick);.
Question-41. What is a DisplayObject in AS3?
Answer-41: A DisplayObject is the base class for all objects that can be displayed on the screen.
Question-42. How do you create a class in ActionScript 3.0?
Answer-42: Use the class keyword, e.g., public class MyClass { }.
Question-43. What is the purpose of the package keyword in AS3?
Answer-43: The package keyword is used to group related classes together in a namespace.
Question-44. How do you import a class in AS3?
Answer-44: Use the import statement, e.g., import flash.display.Sprite;.
Question-45. What is the Sprite class in AS3?
Answer-45: Sprite is a lightweight display object container that supports graphics and child objects.
Question-46. What is the difference between MovieClip and Sprite?
Answer-46: MovieClip supports timeline-based animations, while Sprite is a simpler container without a timeline.
Question-47. How do you use loops in AS3?
Answer-47: Use for, while, or do-while loops, e.g., for (var i:int = 0; i < 10; i++) { }.
Question-48. What is the addChild method used for?
Answer-48: addChild adds a display object as a child to another display object container.
Question-49. How do you remove a child display object in AS3?
Answer-49: Use the removeChild method, e.g., container.removeChild(child);.
Question-50. What is the Stage class in ActionScript 3.0?
Answer-50: The Stage class represents the main display area where all visual objects are rendered.
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