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Archive


Category Archive for "Java SE"

1

Java & Spring Framework – Industrial Training Program

Nov 27, 2019

Java-Spring are the great technology combination to develop secure & enterprise application. That is why almost all banking and finance related applications are developed using Spring Framework. This training program is exclusively designed for Java/Spring Boot based application development according to present IT market and job needs. Technologies Covered: Java SE, Servlet, JSP, Spring Core, […]

2

Free Training Video Session by EZEON

Jan 12, 2017

DEAR STUDENTS! YOU ASKED FOR MY JAVA TRAINING VIDEO ONLINE. YOU ENCOURAGE ME TO WORK MORE AND FINALLY I PREPARED A GREAT VIDEO SERIES FOR YOU, I HOPE YOU ENJOY IT. NOTE : WATCH THESE VIDEOS IN 480p OR HIGHER QUALITY FOR BETTER CLARITY. ALSO WATCH IN FULL SCREEN MODE. OOPS Concept Introduction – (Language […]

3

Inheritance Advance Example in Java – Shopping Cart

Feb 3, 2015

Here we are going to see the advanced example based on Inheritance with reference to Shopping Cart scenario. A shopping store required operations like: 1. Add Product to Cart 2. Remove Product from Cart 3. List Products from Cart 4. Checkout Products 5. Order Confirmation 6. Print Payment Summary etc. Class Summary: 1. Product The […]

4

Inheritance Example in Java

Feb 2, 2015

Inheritance is an Object Oriented feature which offers : – Extensibility – Reusability – Customization features(through overriding – Represents IS-A relationship between objects Kindly check below example where Product class properties are reused by Monitor class also Monitor class has added more properties and methods  input() and display()  as extension to the Product.

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import javax.swing.*;
class Product{
    private Integer productId;
    private String productName;
    public Integer getProductId() {
        return productId;
    }
    public void setProductId(Integer productId) {
        this.productId = productId;
    }
    public String getProductName() {
        return productName;
    }
    public void setProductName(String productName) {
        this.productName = productName;
    }    
}
class Monitor extends Product{
    private Float price;
    private Float discount;
    public Float getPrice() {
        return price;
    }
    public void setPrice(Float price) {
        this.price = price;
    }
    public Float getDiscount() {
        return discount;
    }
    public void setDiscount(Float discount) {
        this.discount = discount;
    }
    public void input(){
        String strPid=JOptionPane.showInputDialog("Product ID:");
        Integer prodId=new Integer(strPid);
        setProductId(prodId);
        
        String prodName=JOptionPane.showInputDialog("Product Name:");
        setProductName(prodName);
        
        String strPrice=JOptionPane.showInputDialog("Product Price:");
        Float prodPrice = new Float(strPrice);
        setPrice(prodPrice);
        
        String strDiscount=JOptionPane.showInputDialog("Product Discount:");
        Float disc = new Float(strDiscount);
        setDiscount(disc);
    }
    public void display(){
        System.out.println("********* Monitor Detail ************");
        System.out.println("ID: "+ getProductId());
        System.out.println("Name: "+ getProductName());
        System.out.println("Price: "+ getPrice());
        System.out.println("Discount: "+ getDiscount());        
    }
}
public class TestInheritance {
    public static void main(String[] args) {
        Monitor m=new Monitor();
        m.input();
        m.display();
    }    
}

OUTPUT: […]

5

Java Garbage Collection Process(GC)

Jul 29, 2014

Garbage Collection(GC) is a process of removing free objects or unused objects from heap memory. So that the memory can be reused by another objects.  JVM is internally using GC technique called Garbage-First(G1) to handle this task for new JVM(JDK7 Update 4). There is provision given in Java API to call GC from code by […]

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