Related Topics JAVA Programming Question 37 Can you explain the difference between the LinkedHashMap and HashMap in Java? Answer LinkedHashMap and HashMap are two implementations of the Map interface in Java. They have many similarities, but there are also some key differences between them. The main difference between LinkedHashMap and HashMap is that LinkedHashMap maintains […]
Related Topics JAVA Programming Question 31 Can you explain the ArrayDeque class in Java? Answer In Java, the ArrayDeque class is a double-ended queue that is implemented as an array. It is a member of the Java Collections Framework and provides a more efficient alternative to the LinkedList class in many cases. Here are some
Related Topics JAVA Programming Question 24 Can you explain the difference between Collection and Collections in Java? Answer There is a significant difference between Collection and Collections in Java. Collection is an interface in the Java Collections Framework that defines the basic methods for working with groups of objects. It is the root interface of
Related Topics JAVA Programming Question 18 Can you explain the difference between List and Set in Java? Answer List Set A List is an ordered collection of elements, which allows duplicates and null elements. A Set is an unordered collection of unique elements, which does not allow duplicates and can contain at most one
Related Topics JAVA Programming Question 13 What is a Deque in Java and what are its main features? Answer In Java, Deque stands for “double-ended queue”, and is an interface in the Collections framework that represents a sequence of elements that can be accessed and modified at both ends. The Deque interface extends the Queue
Related Topics JAVA Programming Question 7 Can you explain the difference between Stack and Queue in Java? Answer Both Stack and Queue are data structures in Java that allow you to store and retrieve elements, but they have some key differences. Ordering: Stack follows a last-in-first-out (LIFO) ordering, which means that the last element added
Related Topics JAVA Programming Question 1 What is the Collections framework in Java? Answer The Collections framework in Java is a set of classes and interfaces that provide a unified and standardized way of representing and manipulating groups of objects. It is part of the Java API (Application Programming Interface) and is included in the
Related Topics Python Programing Question 42 How does Python handle overflow with large integers and what is the maximum size of an integer in Python? Answer In Python, integers are dynamically sized, which means that the maximum size of an integer is only limited by the available memory on the system. This is in contrast
Related Topics JAVA Programming Question 34 Can you explain the use of java.lang.StringIndexOutOfBoundsException class in Java programming? Answer The java.lang.StringIndexOutOfBoundsException class in Java is a runtime exception that indicates that an index or a range of indices is out of bounds for a given String. It is a subclass of the IndexOutOfBoundsException class. This exception
Related Topics JAVA Programming Question 29 What is the difference between Error and Exception in java.lang package? Answer In Java, errors and exceptions are both subclasses of the Throwable class, but they have different purposes and are used in different scenarios. An Error is a subclass of Throwable that represents an unrecoverable condition that should
