Technical Interview Questions
The EventObject class and the EventListener interface support event processing. The sizeof operator is not a keyword. In Core Java, event handling is typically associated with the Abstract Window Toolkit (AWT) and Swing, which are part of the Java Foundation Classes (JFC). The primary classes and interfaces involved in event handling in Java are: java.util.EventObject: This is a common base class … Read more
When a task invokes its yield() method, it returns to the ready state. When a task invokes its sleep()method, it returns to the waiting state. In the context of multithreading in Java, yielding and sleeping are two different mechanisms used to manage thread execution. Here are the key differences between yielding and sleeping: Yielding: Purpose: The yield() method … Read more
setBounds() method is used to set the position and size of a component. In Core Java, the setBounds(int x, int y, int width, int height) method of the Component class is used to set the position and size of a component. This method allows you to specify the x and y coordinates of the component’s top-left … Read more
The >> operator carries the sign bit when shifting right. The >>> zero-fills bits that have been shifted out. In Java, the >> and >>> operators are both right shift operators, but they differ in how they handle the sign bit (the leftmost bit) when shifting. >> (Signed Right Shift): It shifts the bits to the right. It fills … Read more
The Iterator interface is used to step through the elements of a Collection. The Iterator is an interface, used to traverse through the elements of a Collection. It is not advisable to modify the collection itself while traversing an Iterator. In Core Java, the Iterator interface is a part of the Java Collections Framework and is used … Read more