Related Topics JAVA Programing Question 6 Can you explain the use of the Reader and Writer classes in Java for reading and writing text data? Answer In Java, the Reader and Writer classes are used for reading and writing text data, respectively. These classes are part of the Java I/O API and are built on […]
Related Topics JAVA Programming Question 1 What is Java I/O and what is its purpose? Answer Java I/O (Input/Output) refers to the set of classes and methods in the Java programming language that allow you to read and write data to and from files, network sockets, and other sources. The purpose of Java I/O is
Related Topics Big Data Question 16 What is Flume and how is it used in Big Data? Answer Introduction: Apache Flume is a distributed, reliable, and scalable system for collecting, aggregating, and moving large amounts of data from various sources to a centralized location in a Big Data ecosystem. It is a popular open-source tool
Related Topics Python Programing Question 36 What are the numeric types in Python and what is the difference between them (integer, float, complex)? Answer In Python, there are three built-in numeric types: Integers (int): Integers are whole numbers (positive, negative, or zero) that do not have a fractional component. They are represented as integers, and
Related Topics JAVA Programming Question 33 Can you explain the use of the @Inherited annotation in Java and give an example of its usage? Answer In Java, the @Inherited annotation is used to indicate that an annotation should be automatically inherited by any subclass of a class to which the annotation has been applied. When
Related Topics JAVA Programming Question 27 How do you declare an annotation in Java and what is the syntax for annotation declaration? Answer To declare an annotation in Java, the @interface keyword is used. The syntax for declaring an annotation is as follows: import java.lang.annotation.Retention; import java.lang.annotation.RetentionPolicy; @Retention(RetentionPolicy.RUNTIME) public @interface MyAnnotation { String value(); }
Related Topics JAVA Programming Question 21 What is the difference between autoboxing and unboxing in Java? Answer Autoboxing and unboxing are two concepts related to the conversion between primitive types and their corresponding wrapper classes in Java. Autoboxing is the process by which a primitive type is automatically converted into its corresponding wrapper class object.
Related Topics C Programing – Introduction Question 3 What are variables in C and how are they declared and initialized? Answer In C programming language, a variable is a name given to a memory location, which is used to store a value. A variable can store different types of data, such as integers, characters, floating-point
Related Topics JAVA Programming Question 15 Can you explain the concept of autoboxing in Java and give an example of autoboxing in Java? Answer Autoboxing in Java is a feature that allows automatic conversion of primitive types to their corresponding object types (known as “wrappers”) and vice versa. This feature is available starting from Java
Related Topics JAVA Programming Question 8 How do you compare two enumerations in Java and what is the syntax for comparison? Answer In Java, you can compare two enumerations using the == operator. Since enumerations are objects, using the == operator compares their references, not their values. Here’s an example: enum Season { WINTER, SPRING,
