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The Java leg of our trip. Started from Jakarta to Yogyakarta by train, to Mt. Bromo and from there to Surabaya
The Java leg of our trip. Started from Jakarta to Yogyakarta by train, to Mt. Bromo and from there to Surabaya
The Java leg of our trip. Started from Jakarta to Yogyakarta by train, to Mt. Bromo and from there to Surabaya
Pictures taken on Java-Eiland in Amsterdam, which underwent major renovation and residential buildings have been erected.
View along one of the canals of Java-eiland, with its remarkable architecture.
The Java leg of our trip. Started from Jakarta to Yogyakarta by train, to Mt. Bromo and from there to Surabaya
APRIL 25th, LONDON – Simon Maple, Robert Rees and The London Java Community meet for a session taking a tour of the Java class loading mechanism, both from JVM and developer point of view. Looking at typical problems that you get with class loading and how to solve them. See the SkillsCast (Video, code, slides) at: skillsmatter.com/podcast/java-jee/do-you-really-get-class...
6th JUNE, LONDON – The London Java Community meet for a technical session by Ian Ashworth. Showing how development testing and static analysis will help developers find critical defects in code development and accelerate the time to market. See the SkillsCast (film, code, slides) at: skillsmatter.com/podcast/java-jee/java-development-testin...
Java is a programming language that is based on OOPs concepts (Object-oriented programming system). In other words, it uses objects to define the data and their behavior. This makes the code more flexible and increases the readability and helps to understand the code easier. In this tutorial, we will understand OOPs concepts in Java.
Characteristics of OOPs in Java
Advantages of OOPs Concepts in Java
- Reduces code redundancy
- Improves code readability
- Low development cost
- Improved software quality
- Faster product development
- Reusability of code
Challenges of OOPs in Java
- High learning curve
- Large program size
- Slow execution
Object
One of the important features of Object-oriented programming in Java is an object. An object represents a real-life entity which is an instance of a class. It contains both data and methods(behaviors). Objects have mainly 2 characteristics of state and behaviors. The state is nothing but an identity of the object(data) and behavior describes the function(method) of the object.
Example:
Object: Mobile
State: Name, Model No, Color
Behavior: Calling, messaging, switch on, switch off, take photos, etc.
Let's understand this with an example. Here class name is Mobile and it has attributes or states as mobilename, modelNumber, and color. In java programming, we call these attributes as variables and behaviors as methods.
The methods are call(), message(), switchOn() and switchOff().