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Association, Composition & Aggregation in Java

Association: Association is a relation between two separate classes which establishes through their Objects. One-to-one, one-to-many, many-to-one, and many-to-many associations are all possible. An Object communicates with another object to use its functionality and services in Object-Oriented programming. Composition and Aggregation are the two forms of association. Composition: The strongest type of association is composition. It represents part-of relationship. If […]

May 21, 2022 | Java | No comments

Inheritance in Java

In Java, inheritance is a mechanism by which one object inherits all of its parent’s properties and behaviors. It is an essential component of OOPs (Object-Oriented programming systems). You can use the parent class’s methods and fields when you inherit from an existing class. You can also add new methods and fields to your current […]

May 19, 2022 | Java | No comments

Non-access modifiers

Non-access modifiers provide the JVM with information about a class, method, or variable’s characteristics. In Java, there are seven different types of Non-Access modifiers: static final abstract synchronized volatile transient native Static: The static keyword indicates that the entity to which it is applied is accessible from any instance of the class. The static keyword […]

May 17, 2022 | Java | No comments

Access Modifiers in Java

Modifiers in Java are divided into two categories: access modifiers and non-access modifiers. The accessibility or scope of a field, method, constructor, or class is defined by the access modifiers in Java. The access modifier can be used to change the access level of fields, constructors, methods, and classes. Types of access modifiers: There are […]

May 14, 2022 | Java | No comments

More about Constructors

Let us take a look at various other constructors in Java. Copy constructor: A copy constructor is a type of constructor in Java that creates an object by copying another object from the same Java class. It returns a copy of a class object that already exists. If we want to, we can use the copy constructor: Make […]

May 14, 2022 | Java | No comments

Constructor in Java

Java constructors or constructors in Java are terminologies used to construct something in our programs. A constructor in Java is a special method that is used to initialize objects. The constructor is called when an object of a class is created. It can be used to set initial values for object attributes.  At least one constructor is called […]

May 13, 2022 | Java | No comments

Methods in Java

A method is a block of code, a group of statements, or a set of code that performs a specific task or operation. These are also known as functions in other programming languages. The method describes the behavior of an object. It increases code reusability. It also provides an easy modification of the code. Method Declaration: […]

May 12, 2022 | Java | No comments

OOPs in Java

What is OOPs? Object-Oriented Programming is a methodology or paradigm for designing a program using classes and objects.  Many concepts, such as inheritance, data binding, polymorphism, and others, are available in Object-Oriented Programming. It takes a practical approach to solve a problem. As a result, object-oriented programming is a better and easier way to write programs […]

May 11, 2022 | Java | No comments

Command Line Argument in Java

The java command-line argument is a parameter that is passed to the java program when it is run. The arguments passed from the console can be received and used as input in the Java program. As a result, it provides a convenient way to check the program’s behavior for various values. We can pass any number […]

May 9, 2022 | Java | No comments

Java object creation methods

Everything revolves around the object in Java, which is an object-oriented language. An object represents a class’s runtime entity and is required to call the class’s variables and methods. A Java object is a member of a Java class (also known as an instance). There is an identity, a behavior, and a state for each […]

May 8, 2022 | Java | No comments

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