• Aspect-Oriented Programming (AOP)

    Categories: Spring ||

    Aspect-Oriented Programming (AOP)   One of the key components of Spring is the Aspect-Oriented Programming (AOP) framework. The functions that span multiple points of an application are called

  • Benefits of Using the Spring Framework

    Categories: Spring ||

    Benefits of Using the Spring Framework   Following is the list of few of the great benefits of using Spring Framework: Spring enables developers to develop enterprise-class applications

  • Laravel Framework Architecture and CodeIgniter

    Categories: Laravel ||

    Laravel Framework Architecture and CodeIgniter   Bundles and composer provide number of bundle modular packaging system and dependencies. Routing - The easiest to manage and abstract

  • Advantages of Laravel

    Categories: Laravel ||

    Advantages of Laravel   ANALYSIS Laravel offers you the following advantages when you are designing a web application based on it −  The web application becomes more scalable

  • Exception Hierarchy In Java

    Categories: Java 8(JDK1.8) ||

    All exception classes are subtypes of the java.lang.Exception class. The exception class is a subclass of the Throwable class. Other than the exception class there is another subclass called Error whi

  • Java - Exceptions

    Categories: Java 8(JDK1.8) ||

    An exception (or exceptional event) is a problem that arises during the execution of a program. When an Exception occurs the normal flow of the program is disrupted and the program/Application termina

  • Directories in Java

    Categories: Java 8(JDK1.8) ||

    A directory is a File which can contain a list of other files and directories. You use File object to create directories, to list down files available in a directory. For complete detail, check a list

  • File Output Stream In Java

    Categories: Java 8(JDK1.8) ||

    FileOutputStream is used to create a file and write data into it. The stream would create a file, if it doesn't already exist, before opening it for output.Here are two constructors which can be used

  • File Input Stream

    Categories: Java 8(JDK1.8) ||

    This stream is used for reading data from the files. Objects can be created using the keyword new and there are several types of constructors available.Following constructor takes a file name as a str

  • Standard Streams In Java

    Categories: Java 8(JDK1.8) ||

    All the programming languages provide support for standard I/O where the user's program can take input from a keyboard and then produce an output on the computer screen. If you are aware of C or C++ p

  • Java - Files and I O

    Categories: Java 8(JDK1.8) ||

    The java.io package contains nearly every class you might ever need to perform input and output (I/O) in Java. All these streams represent an input source and an output destination. The stream in the

  • The finalize( ) Method In Java

    Categories: Java 8(JDK1.8) ||

    It is possible to define a method that will be called just before an object's final destruction by the garbage collector. This method is called finalize( ), and it can be used to ensure that an object

  • Method Overloading In Java

    Categories: Java 8(JDK1.8) ||

    When a class has two or more methods by the same name but different parameters, it is known as method overloading. It is different from overriding. In overriding, a method has the same method name, ty

  • Passing Parameters by Value In Java

    Categories: Java 8(JDK1.8) ||

    While working under calling process, arguments is to be passed. These should be in the same order as their respective parameters in the method specification. Parameters can be passed by value or by re

  • Method Calling

    Categories: Java 8(JDK1.8) ||

    For using a method, it should be called. There are two ways in which a method is called i.e., method returns a value or returning nothing (no return value).The process of method calling is simple. Whe

  • Java - Methods

    Categories: Java 8(JDK1.8) ||

    A Java method is a collection of statements that are grouped together to perform an operation. When you call the System.out.println() method, for example, the system actually executes several statemen

  • Java - Regular Expressions

    Categories: Java 8(JDK1.8) ||

    Java provides the java.util.regex package for pattern matching with regular expressions. Java regular expressions are very similar to the Perl programming language and very easy to learn.A regular exp

  • Gregorian Calendar Class

    Categories: Java 8(JDK1.8) ||

    GregorianCalendar is a concrete implementation of a Calendar class that implements the normal Gregorian calendar with which you are familiar. We did not discuss Calendar class in this tutorial, you ca

  • Sleeping for a While

    Categories: Java 8(JDK1.8) ||

    You can sleep for any period of time from one millisecond up to the lifetime of your computer. For example, the following program would sleep for 3 seconds.Exampleimport java.util.*;public class Sleep

  • Simple DateFormat Format Codes

    Categories: Java 8(JDK1.8) ||

    To specify the time format, use a time pattern string. In this pattern, all ASCII letters are reserved as pattern letters, which are defined as the following −CharacterDescriptionExampleGEra designa

  • Date Comparison

    Categories: Java 8(JDK1.8) ||

    Following are the three ways to compare two dates −You can use getTime( ) to obtain the number of milliseconds that have elapsed since midnight, January 1, 1970, for both objects and then compare th

  • Getting Current Date and Time

    Categories: Java 8(JDK1.8) ||

    This is a very easy method to get current date and time in Java. You can use a simple Date object with toString() method to print the current date and time as follows −Exampleimport java.util.Date;p

  • Java - Date and Time

    Categories: Java 8(JDK1.8) ||

    Java provides the Date class available in java.util package, this class encapsulates the current date and time.The Date class supports two constructors as shown in the following table.Sr.No.Constructo

  • Creating Arrays In Java

    Categories: Java 8(JDK1.8) ||

    You can create an array by using the new operator with the following syntax −SyntaxarrayRefVar = new dataType[arraySize];The above statement does two things −It creates an array using new dataType

  • Java - Arrays

    Categories: Java 8(JDK1.8) ||

    Java provides a data structure, the array, which stores a fixed-size sequential collection of elements of the same type. An array is used to store a collection of data, but it is often more useful to

  • Creating Format Strings In Java

    Categories: Java 8(JDK1.8) ||

    You have printf() and format() methods to print output with formatted numbers. The String class has an equivalent class method, format(), that returns a String object rather than a PrintStream object.

  • Concatenating Strings In Java

    Categories: Java 8(JDK1.8) ||

    The String class includes a method for concatenating two strings −string1.concat(string2);This returns a new string that is string1 with string2 added to it at the end. You can also use the concat()

  • String Length In Java

    Categories: Java 8(JDK1.8) ||

    Methods used to obtain information about an object are known as accessor methods. One accessor method that you can use with strings is the length() method, which returns the number of characters conta

  • Java In Strings Class

    Categories: Java 8(JDK1.8) ||

    Strings, which are widely used in Java programming, are a sequence of characters. In Java programming language, strings are treated as objects.The Java platform provides the String class to create and

  • Character Methods In Java

    Categories: Java 8(JDK1.8) ||

    Following is the list of the important instance methods that all the subclasses of the Character class implement −Sr.No. - Method & Description1.isLetter() - Determines whether the specified cha

  • Escape Sequences In Java

    Categories: Java 8(JDK1.8) ||

    A character preceded by a backslash (\) is an escape sequence and has a special meaning to the compiler.The newline character (\n) has been used frequently in this tutorial in System.out.println() sta

  • Java In Character Class

    Categories: Java 8(JDK1.8) ||

    Normally, when we work with characters, we use primitive data types char.Examplechar ch = 'a';// Unicode for uppercase Greek omega characterchar uniChar = '\u039A'; // an array of charschar[] cha

  • Java - Numbers Class

    Categories: Java 8(JDK1.8) ||

    Normally, when we work with Numbers, we use primitive data types such as byte, int, long, double, etc.Exampleint i = 5000;float gpa = 13.65f;double mask = 125;However, in development, we come across s

  • Java - Decision Making

    Categories: Java 8(JDK1.8) ||

    Decision making structures have one or more conditions to be evaluated or tested by the program, along with a statement or statements that are to be executed if the condition is determined to be true,

  • What’s New in Node v16? let's know

    Categories: Node JS ||

    What’s New in Node v16? let's know   Introduction The latest major release Node v16.0.0 is out recently, and this version will soon be moved to the LTS status. The official Node doc

  • Node.js Interview Question for experienced 2022

    Categories: Interview questions and answers || Experienced || Node JS ||

    Node.js Interview Question for experienced 2022   Question: What is Node.js? Answer: Node.js is a very popular scripting language that is primarily used for server-side scripting requirem

  • Java - Loop Control

    Categories: Java 8(JDK1.8) ||

    There may be a situation when you need to execute a block of code several number of times. In general, statements are executed sequentially: The first statement in a function is executed first, follow

  • Precedence of Java Operators

    Categories: Java 8(JDK1.8) ||

    Operator precedence determines the grouping of terms in an expression. This affects how an expression is evaluated. Certain operators have higher precedence than others; for example, the multiplicatio

  • Miscellaneous Operators

    Categories: Java 8(JDK1.8) ||

    There are few other operators supported by Java Language.Conditional Operator ( ? : )Conditional operator is also known as the ternary operator. This operator consists of three operands and is used to

  • The Assignment Operators

    Categories: Java 8(JDK1.8) ||

    Following are the assignment operators supported by Java language −OperatorDescriptionExample=Simple assignment operator. Assigns values from right side operands to left side operand.C = A + B will

  • The Logical Operators

    Categories: Java 8(JDK1.8) ||

    The following table lists the logical operators −Assume Boolean variables A holds true and variable B holds false, then −OperatorDescriptionExample&& (logical and)Called Logical AND operat

  • The Bitwise Operators

    Categories: Java 8(JDK1.8) ||

    Java defines several bitwise operators, which can be applied to the integer types, long, int, short, char, and byte.OperatorDescriptionExample& (bitwise and)Binary AND Operator copies a bit to the

  • The Relational Operators

    Categories: Java 8(JDK1.8) ||

    There are following relational operators supported by Java language.Assume variable A holds 10 and variable B holds 20, then −Operator - Description -Example== (equal to)Checks if the values of two

  • Java - Basic Operators

    Categories: Java 8(JDK1.8) ||

    Java provides a rich set of operators to manipulate variables. We can divide all the Java operators into the following groups −1. Arithmetic Operators2. Relational Operators3. Bitwise Operators4. Lo

  • Java - Modifier Types

    Categories: Java 8(JDK1.8) ||

    Modifiers are keywords that you add to those definitions to change their meanings. Java language has a wide variety of modifiers, including the following −1. Java Access Modifiers2. Non Access Modif

  • Basic Datatypes In Java

    Categories: Java 8(JDK1.8) ||

    Variables are nothing but reserved memory locations to store values. This means that when you create a variable you reserve some space in the memory.Based on the data type of a variable, the operating

  • No argument Constructors

    Categories: Java 8(JDK1.8) ||

    As the name specifies the no argument constructors of Java does not accept any parameters instead, using these constructors the instance variables of a method will be initialized with fixed values for

  • Constructors

    Categories: Java 8(JDK1.8) ||

    A constructor initializes an object when it is created. It has the same name as its class and is syntactically similar to a method. However, constructors have no explicit return type.Typically, you wi

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