Java Interview Questions and Answers – Garbage Collectors

Java Interview Questions | Garbage Collectors   Java Interview Questions : Garbage Collectors   What is the purpose of garbage collection in Java, and when is it used ? The purpose of garbage collection is to identify and discard those objects that are no longer needed …

Java Interview Questions and Answers – Java Collections

Java Interview Questions | Java Collections   Java Interview Questions : What are the basic interfaces of Java Collections Framework ? Java Collections Framework provides a well designed set of interfaces and classes that support operations on a collections of objects. The most basic interfaces …

Java Interview Questions and Answers – Java Threads

Java Interview Questions | Java Threads   Java Interview Questions : What is the difference between processes and threads ? A process is an execution of a program, while a Thread is a single execution sequence within a process. A process can contain multiple threads. …

Java Interview Questions and Answers – General Questions about Java

Java Interview Questions | General Questions about Java   Java Interview Questions :   What is JVM ? Why is Java called the Platform Independent Programming Language? A Java virtual machine (JVM) is a process virtual machine that can execute Java bytecode. Each Java source …

Java Interview Questions and Answers – Object Oriented Programming (OOP)

Java Interview Questions | Object Oriented Programming (OOP)   Java Interview Questions : Java is a computer programming language that is concurrent, class-based and object-oriented. The advantages of object oriented software development are shown below: Modular development of code, which leads to easy maintenance and …

SAS Data Integration DI Question and Answers

Analytics | Trend Nxt UCF SAS DI | Question and Answers SAS Data Integration Studio provides a powerful visual design tool for building, implementing and managing data integration processes regardless of data sources, applications, or platforms.

General English Grammar Section With Answer

General English Standard Test for English to Step up your Career In General English grammar Section we are going to give you fill ups based questions and you have to find the correct answer for these question from given choices.We are going to provide you …

General English Speech Topics With Answer

General English Standard Test for English to Step up your Career In General English speech section we are going to give you a topic and you have speak for few minutes continuously on that topic.We are going to provide you the sample topics with sample …

What is ETL ? Extract Transform and Load

ETL ETL is the set of processes by which data is extracted from various sources transformed and loaded into target systems. ETL stands for Extract, Transform and Load. Importance of ETL ETL technology is an important component of a complete enterprise data integration solution and …

SAP Business Objects Universe | Semantic Layer vs universe

SAP Business Objects Universe | Semantic Layer vs universe Semantic layer The semantic layer is an abstraction layer between the database and the business user that frees the business users from needing to know the data structures and technical names. It enables business users to …

Pentaho Data Integration | Pentaho DI

Pentaho Data Integration Pentaho Data Integration (PDI) is an extract, transform, and load (ETL) solution that uses an innovative metadata-driven approach. It includes the DI Server, a design tool, three utilities, and several plugins. Pentaho tool is most frequently used in data warehouses environments. PDI …

R Programming Language – The R Project for Statistical Computing

What is R ? R is a free software programming language and software environment for statistical computing and graphics. The R language is widely used among statisticians and data miners for developing statistical software and data analysis. What r can do ? Using R Programming …

Data Preprocessing Explained | Major Tasks | Data Preprocessing Techniques

Data Preprocessing : Concepts

Data Preprocessing Data Preprocessing or Dataset preprocessing is a activity which is done to improve the quality of data and to modify data so that it can be better fit for specific data mining technique. Also Read : What is Data Management? Benefits of Data …

What are the major challenges to Data Mining ?

Data Mining Issues/Challenges   Data Mining Issues : Major Issues and challenges one can face with Data Mining Process are Mining Methodology User Interaction Efficiency and Scalability Diversity of Database Types Society Data Mining Issues/Challenges – Mining Methodology Mining Methodology involves the investigation of new …

What is Data Mining and its process ?

Data Mining   Data mining (knowledge discovery from data).Extraction of interesting (non-trivial, implicit, previously unknown and potentially useful) patterns or knowledge from huge amount of data. Alternative names of data mining : Knowledge discovery (mining) in databases (KDD), knowledge extraction, data/pattern analysis, data archeology, data …

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Top 8 Characteristics Of Software

Top 8 Characteristics Of Software Below are the top 8 characteristic of software which makes a software complete.The importance of these  quality characteristic cannot be overemphasised. Properties of software Reliability Correctness Performance Usability Interoperability Maintainability Portability Verifiability Reliability A measure of whether a user can depend on …