What kinds of certifications are available for Java professionals?

Asked by Abhishek 10/03/2016 Last Modified 07/10/2025

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Please suggest some books to self-learn Java at home?

For self learning the best book is Core Java written by Gary Cornell and Kay Horstmann. This book comes in 2 volumes and both are important to learn the subject from the ground up to the advanced level.

Sharmistha

1 0

If you want to Learn Technology of JAVA & .NET, It's better to start from the very beginning, 1. C 2. C++ 3. Data Structure 4. Core JAVA / VB.Net 5. Advance JAVA / Asp.Net "It's better to clear all the stages to achieve the Technology you want to Learn." Thanks & Regards, Prof. Jimmy Thakkar

yes you are right...... always build your building from base....so that you will be master

Jimmy

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Is java a frontend or a middleware technology or both?

java is middleware technology.Java is common languages for writing the part that could be viewed as the glue between the UI and the data.

Neha

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Why do many software engineers not like Java?

Opinions on programming languages can vary, but some software engineers may express dissatisfaction with Java for reasons such as perceived verbosity, boilerplate code, and a slower pace of language evolution...

Guruprasad

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If a class contains only a private constructor and no other constructor, is it possible to create object of that class? If yes how?

Yes, It is possible. But, Object can be created only with in that class (either in any method or block).

Shabbir

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public class Main { public static void main(String args) { int arr = {1, 2, 3, 4, 5}; int max = arr; for (int i = 1; i < arr.length; i++) { if (arr > max) { max = arr; } } System.out.println("Largest Element: " + max); }}

Vivek J.

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Method Overloading vs Method Overriding

1. Method Overloading: Method overloading means a same method with same name can have different implementations/body by changing one of the follwing thing: 1) Number of Parameters 2) Order of Parameters 3)...

Md Ajmat

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Observer Pattern in Java.

As I was going through the different source code files of the Java Util package, I found the implementation of the Observer Pattern ( see the Gang of Four books for more information on this pattern) in...

Somenath Mukhopadhyay

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Class and Objects in Java

Class is a template or a blueprint which is used to describe an object. On other hand Object is a reference of a class which follows all the stuff written inside the class. How about taking the whole tour in the following video

Kalyani Jawade

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Classes & Objects

Mudassir

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