S.Nageswara Rao

Parhaat online-rahapelien lisensointialueet suomalaisille nettikasinoille

Leave a Comment / Uncategorized / By S. Nageswara Rao, Corporate Trainer

Nettipelaamisessa voidaan erottaa kahdenlaisia lisenssejä: kansainvälisiä, eli offshore-rahapelilisenssejä, ja sisäisiä, eli maakohtaisia rahapelilisenssejä. Kansainväliset rahapelilisenssit sopivat hankkeisiin, joilla pyritään laajempaan markkinoiden kattavuuteen, kun taas sisäiset lisenssit antavat nettikasinolle mahdollisuuden toimia laillisesti yhden tietyn maan rajojen sisällä. Myös kansainvälisiä rahapelien lainkäyttöalueita on melko paljon. Kun valitset lainkäyttöaluetta, tärkeimmät huomioon otettavat tekijät ovat maine, lisenssivaatimukset, hakumenettelyn monimutkaisuus …

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Set 2 – Java, Oracle, Unix Interview Questions

2 Comments / Core Java, Unix & Oracle, Java Interview Questions / By S. Nageswara Rao, Corporate Trainer

1. Following snippet of code String citiesArray[] = { “Hyderabad”, “Chennai”, “Vizag”, “Delhi” }; List citiesList = Arrays.asList(citiesArray); for(String temp : citiesList) { System.out.println(temp); } 1. raises compilation error 2. compiles but throws exception 3. compiles, executes and prints all the elements 4. last element is not printed 2. Observe, the following snippet of code. …

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Set 1 – Java, Oracle, Unix Interview Questions

Leave a Comment / Core Java, Unix & Oracle / By S. Nageswara Rao, Corporate Trainer

1. compareTo(Object) belongs to which class? 1. Collections 2. Comparator 3. Comparable 4. Arrays 2. singletonList(Object) method is defined in? 1. class ArrayList 2. interface List 3. interface Collection 4. class Collections 3. When a thread is started with start() method, in which state it exists? 1. born state 2. runnable state 3. …

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New Line BufferedWriter Java

Leave a Comment / Uncategorized / By S. Nageswara Rao, Corporate Trainer

New Line BufferedWriter Java uses newLine() method to give new line in the destination file. Example given. But before going into example and explanation, let us see what DataOutputStream will do with new line in the destination file. DataOutputStream does not have a builtin method. Infact, new line is OS dependent. \n works in System.out.print(). …

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Java Font Example

Uncategorized / By S. Nageswara Rao, Corporate Trainer

Java AWT supports graphics drawing in colors and fonts. To support colors and fonts, the Java.awt package come with two classes – class Color and class Font. Java Font Example to create font objects and changing change string fonts. import java.awt.*; public class JavaFontExample extends Frame { public JavaFontExample() { setSize(450, 300); setVisible(true); } public …

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Interview Questions for Freshers

Leave a Comment / Uncategorized / By S. Nageswara Rao, Corporate Trainer

OOPS Concepts What are local and global variables? A variable declared inside a method is known as “local variable” and its usage is limited within the method in which it declared only. A global variable (known as instance variable in Java) is declared outside of any method but wihtin the class. Its scope is for …

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Color scheme

Leave a Comment / Uncategorized / By S. Nageswara Rao, Corporate Trainer

Collections All Methods – At a Glance Reversing elements with reverse() How many times element occurs with frequency() Replacing elements with replaceAll() Finding Min and Max values with min() and max() Sorting ArrayList with Collections sort() Sorting ArrayList with Collections sort() Comparator Searching an element with binarySearch() Copying one list to another with copy() Swapping …

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View All RMI

Leave a Comment / View All / By S. Nageswara Rao, Corporate Trainer

1. Java RMI Tutorial for Beginners 2. Java RMI Architecture 3. RMI Application Step by Step Programs Explanation 4. RMI Stepwise Compilation Execution Distribution 5. RMI Simple Application with Database Access

RMI Database Access Simple Application

Leave a Comment / RMI / By S. Nageswara Rao, Corporate Trainer

RMI Database Access Application Before this program, it is advised to read the previous simple application InterestCalculation where the basic notes and guidelines are given. This application adds extra features to the previous application like database access, security features and handling exceptions thrown by each method instead of throwing a generic Exception. In this Bank …

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RMI Application Step by Step Explanation

Leave a Comment / RMI / By S. Nageswara Rao, Corporate Trainer

RMI Application Coding Note: But before going into this tutorial, it is advised to read RMI tutorial and also architecture. A typical RMI application includes four programs. Remote interface: Write an interface that should extend an interface called Remote from java.rmi package. Implementation program: Write a concrete class which extends UnicastRemoteObject and implements the above …

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RMI Architecture Java

Leave a Comment / RMI / By S. Nageswara Rao, Corporate Trainer

The RMI Architecture is very simple involving a client program, a server program, a stub and skeleton. In RMI, the client and server do not communicate directly; instead communicates through stub and skeleton (a special concept of RMI and this is how designers achieved distributed computing in Java). They are nothing but special programs generated …

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RMI Execution Compilation Distribution Stepwise

Leave a Comment / RMI / By S. Nageswara Rao, Corporate Trainer

RMI application involves 4 programs (as illustrated in the first simple Interest Calculation application) and let us go for RMI Execution to see how to execute them to get the desired output step by step. a) Compile all the 4 programs with javac command as usual as follows: c\snr> javac Interest*.java This compiles all the …

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RMI Tutorial for Beginners Java

3 Comments / RMI / By S. Nageswara Rao, Corporate Trainer

For easy understanding of RMI concept, RMI Tutorial is given in Questions and Answers format. This style we adopted in constructors Tutorial for Beginners which was very successful. 1. What is Java RMI? RMI stands for "Remote Method Invocation", the technology of Java. 2. What is remote method? A method of a Java program placed …

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Multithreading Realtime Examples

4 Comments / Multithreading in Java / By S. Nageswara Rao, Corporate Trainer

Summary: By the end of this tutorial "Multithreading Realtime Examples", you will come to know the realtime applications of multithreading. Generally you will be eating dinner while watching TV. At the same time, you may be talking to your mother to get some more eatables. Now, you are doing three different tasks in parallel. This …

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Removing Duplicates Array Java

Leave a Comment / Arrays, Arrays Special Operations, General / By S. Nageswara Rao, Corporate Trainer

Removing Duplicates Array Java Summary: Java is so developed by Designers to write code easily for Developers. Forget the laborious days of C/C++ coding. This tutorial "Removing Duplicates Array Java" is the place to prove it. It is a general and interesting code for beginners and this can be achieved in many ways in Java. …

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Removing Duplicates Vector

Leave a Comment / Vector / By S. Nageswara Rao, Corporate Trainer

It is a general and interesting code for beginners and this can be achieved in many ways in Java. This code, I would like to keep the code as simple as possible without using any methods and without using any laborious loops of C/C++. Here, I use only constructors but for adding elements to Vector …

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Remove Duplicate Elements in ArrayList

Leave a Comment / ArrayList, List / By S. Nageswara Rao, Corporate Trainer

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WeakHashMap Example Java

2 Comments / Collections, Map / By S. Nageswara Rao, Corporate Trainer

WeakHashMap Example Java Tutorial HashMap hm1 = new HashMap(); If hm1 is not used in the remaining part of the code, that is not referenced, the hm1 object is eligibile for garbage collection. That is, as long as hm1 is referenced (this is known as reference to hm1 and I call particulary here as strong …

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Why Java is both compiled and interpreted language?

2 Comments / Java OOPs Concepts / By S. Nageswara Rao, Corporate Trainer

In case of C/C++, the source code is directly converted to binary code by the compiler that can be executed by the OS to get output. This binary code generated on one OS does not execute on other OS. That is, the binary code generated on UNIX machine must be executed on UNIX only and …

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Difference Encapsulation Abstraction

Leave a Comment / Java OOPs Concepts / By S. Nageswara Rao, Corporate Trainer

Difference Encapsulation Abstraction Summary: It is very confusing concept, as one depends on other, for a Java beginner to understand. Explained in simple terms in this tutorial "Difference Encapsulation Abstraction". How to explain the difference between Encapsulation and Abstraction before an Interviewer? Encapsulation is an OOPS concept. As everyone says, Encapsulation is binding the data …

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