Vaibhav Mojidra's Projects
Express.js is a popular web framework for building web applications and APIs using Node.js. It provides a robust set of features for creating server-side applications, including routing, middleware support, and template engines.
Express.js is a popular web framework for building web applications and APIs using Node.js. It provides a robust set of features for creating server-side applications, including routing, middleware support, and template engines.
Express.js is a popular web framework for building web applications and APIs using Node.js. It provides a robust set of features for creating server-side applications, including routing, middleware support, and template engines.
"I Am Rich" was a controversial app released on the iOS App Store in 2008. The app, which cost $999.99, did nothing more than display a red gem on the screen with the title "I Am Rich" underneath it.
IOS Development: Storyboard is a graphical user interface development tool provided by Apple that enables developers to design the user interface of an iOS application visually. It provides a drag-and-drop interface that allows developers to easily create and organize screens, views, and transitions, without the need for writing any code.
Abstract classes are used in Java to create classes that cannot be instantiated, but instead serve as a blueprint or template for other classes to inherit from.
Public access modifier is the most permissive access modifier. Private access modifier is the most restrictive access modifier. A private class, method, or variable can only be accessed within the same class.Protected access modifier allows the class, method, or variable to be accessed within the same package and any subclasses outside the package.
The java command-line argument is an argument i.e. passed at the time of running the java program. The arguments passed from the console can be received in the java program and it can be used as an input.
The Java programming language supports various arithmetic operators for all floating-point and integer numbers. These operators are + (addition), - (subtraction), * (multiplication), / (division), and % (modulo).
In Java, you can create an array of objects just like you would create an array of primitive types. An array of objects allows you to store multiple instances of a class in a single data structure.
Java array is an object which contains elements of a similar data type. Additionally, The elements of an array are stored in a contiguous memory location. It is a data structure where we store similar elements. We can store only a fixed set of elements in a Java array.
Assignment Operators are used to assign values to a variable. The left side operand of the assignment operator is a variable, and the right side operand of the assignment operator is a value. The value on the right side must be of the same data type of the operand on the left side
Bitwise operators are used to performing the manipulation of individual bits of a number. They can be used with any integral type (char, short, int, etc.). They are used when performing update and query operations of the Binary indexed trees.
The break statement in Java terminates the loop immediately, and the control of the program moves to the next statement following the loop.
Class attributes are variables defined in the class. These attributes define the state of the object at a particular time. Attributes can be either primitive type like int, byte, char, long, double etc.Methods define behaviour of a class. A method contains business logic which is executed when the method is invoked.
Class is a set of object which shares common characteristics/ behavior and common properties/ attributes. Object is a basic unit of Object-Oriented Programming and represents real-life entities. A typical Java program creates many objects, which as you know, interact by invoking methods.
Compile-time polymorphism, also known as method overloading, is a feature of object-oriented programming languages such as Java that allows you to define multiple methods with the same name in the same class. The compiler determines which version of the method to call based on the number, types, and order of the arguments passed to it.
he conditional operator is also known as the ternary operator. This operator consists of three operands and is used to evaluate Boolean expressions. The goal of the operator is to decide; which value should be assigned to the variable.
The continue statement is used in loop control structure when you need to jump to the next iteration of the loop immediately. It can be used with for loop or while loop.
In Java, the java.time package provides classes for working with dates, times, and time intervals. The package was introduced in Java 8 and provides a more comprehensive and flexible approach to working with dates and times compared to the legacy java.util.Date and java.util.Calendar classes.
The -- operator decrements its single operand by one. When used in prefix mode, it decrements the operand and evaluates to the decremented value of that operand. When used in postfix mode, it decrements its operand, but evaluates to the value of that operand before it was decremented.
Do-while loop is used to iterate a part of the program repeatedly, until the specified condition is true. If the number of iteration is not fixed and you must have to execute the loop at least once, it is recommended to use a do-while loop.
In Java, a POJO (Plain Old Java Object) class is a class that encapsulates data and provides getter and setter methods for accessing and modifying that data.
In Java, an enum (short for "enumeration") is a special type of class that represents a fixed set of constants. Enums were introduced in Java 5 as a way to create a type-safe alternative to integer constants and to provide a more readable and maintainable way of defining constants in Java programs.
When executing Java code, different errors can occur: coding errors made by the programmer, errors due to wrong input, The try statement allows you to define a block of code to be tested for errors while it is being executed. The catch statement allows you to define a block of code to be executed, if an error occurs in the try block.
In Java, the finally block is always executed no matter whether there is an exception or not. The finally block is optional. And, for each try block, there can be only one finally block.
Java final keyword is a non-access specifier that is used to restrict a class, variable, and method. If we initialize a variable with the final keyword, then we cannot modify its value.
For-each loop is used to iterate through elements of arrays and collections (like ArrayList). It is also known as the enhanced for loop.
A for loop is a repetition control structure that allows you to efficiently write a loop that needs to be executed a specific number of times
In Java, the HashMap class is an implementation of the Map interface that allows you to store key-value pairs and provides methods for adding, removing, and accessing elements in the map. The keys in a HashMap must be unique, but the values can be duplicated.
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