RMI Application Step by Step Explanation
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...
View ArticleRMI Database Access Simple Application
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...
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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...
View ArticleColor scheme
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...
View ArticleInterview Questions for Freshers
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...
View ArticleJava Font Example
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...
View ArticleNew Line BufferedWriter Java
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...
View ArticleJava Unassigned Variables
Unassigned Local and Instance Variables Summary: In this "Java unassigned variables" tutorial, you will learn Java nature of unassigned variables which quiet contract to C/C++. One of the features of...
View ArticleSet 1
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....
View ArticleSet 2
1. Following snippet of code [crayon-5dc1d51978914804036719/] 1. raises compilation error 2. compiles but throws exception 3. compiles, executes and prints all the elements 4. last element is not...
View ArticleSet 16 – Advance Java, Oracle, Unix Interview Questions
1. Which one of the following is not a ResultSet attribute? Choose the right option. 1. ResultSet.TYPE_SCROLL_SENSITIVE 2. ResultSet.TYPE_SCROLL_INSENSITIVE 3. ResultSet.TYPE_FORWARD_ONLY 4....
View ArticleSet 17 – Advance Java, Oracle, Unix Interview Questions
1. Which type of driver converts JDBC calls into database (like Sybase, Oracle etc.) specific calls. Choose the right option. 1. JDBC-ODBC Bridge, plus ODBC driver (Type 1 driver known as bridge...
View ArticleSet 18 – Advance Java, Oracle, Unix Interview Questions
1. Which one of the following Connection interface methods will undo the changes made on database? Choose the right option. 1. public abstract void cancel() throws java.sql.SQLException; 2. public...
View ArticleSet 19 – Advance Java, Oracle, Unix Interview Questions
1. Choose the best practice for JDBC coding? 1. Close Statement and PreparedStatement objects 2. Select the JDBC driver for the application needs 3. 1 and 2 4. none of above 2. rollback() method is...
View ArticleSet 20 – Advance Java, Oracle, Unix Interview Questions
1. Which option is the best practice for developing JDBC code? Choose the right option. 1. Use java.sql.PreparedStatement for repeated DML commands 2. Use cache of database connections from a...
View ArticleSet 21 – Servlets, JSP, JSTL Interview Questions
1. Choose the right option to fill the blanks to get the values entered by the client as per the following URL. a) URL when client clicks the submit button...
View ArticleSet 22 – Servlets, JSP, JSTL Interview Questions
1. a) Read the following servlet import javax.servlet.*; import javax.servlet.http.*; import java.io.*; public class DemoServlet extends HttpServlet { public void service(HttpServletRequest request,...
View ArticleSet 23 – Servlets, JSP, JSTL Interview Questions
1. Choose all the right options that are valid URL mappings in web.xml file for the following servlet. public class Servlet1 extends GenericServlet { // business logic goes here } 1. <servlet>...
View ArticleSet 24 – Servlets, JSP, JSTL Interview Questions
1. What is the userName value printed if the html input field “user” does not exist. Choose the right option. import javax.servlet.*; import javax.servlet.http.*; import java.io.*; public class Demo...
View ArticleSet 25 – Servlets, JSP, JSTL Interview Questions
1. Choose all the right options that are true about the following servlet. a) web.xml entry snippet for DemoServlet xxxxx DemoServlet trafficfine 3500 b) Servlet code import javax.servlet.*; import...
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