Java Data | Yazilim Ders

Which Class Contains Clone Method in Java ?

clone() method is defined in Object class. Cloneable is a marker interface that doesn't contain any method..

How Will You Define the Scope of a Bean in Spring ?

In configuration xml, we can specify the scope of bean in its definition. This is used by container...

How Can We Analyze the Dependencies in Java Classes and Packages ?

Java 8 comes with a new command line tool jdeps that can help in analyzing the package-level and class-level dependencies...

191 Java

What is the Difference Between StringBuffer and StringBuilder in Java ?

StringBuilder was introduced in Java 5. The main difference between both of them is that StringBuffer methods e.g. length()...

202 Java

What is the Advantage of Using Unicode Characters in Java ?

Unicode characters have much larger number of characters in the specification...

208 Java

What are the Uses of AOP Module in Spring Framework ?

AOP module is also known as Aspect Oriented Programming module...

202 Java

What are the Examples of Observer Design Pattern in JDK ?

In JDK there are many places where Observer design pattern is used. Some of these are..

203 Java

What is Observer Design Pattern in Java ?

In Observer design pattern, there is a Subject that maintains the list of Observers that are waiting for any update...

193 Java

What is an Output Comment in JSP ?

We can write output in JSP in such a way that it becomes a comment in HTML code. This comment will not be visible in the web browser...

197 Java

Comparing HashSet and TreeSet Collections in Java

A HashSet is Implemented using a HashTable. Therefore, its elements are stored in a random order. The add(), remove()...

208 Java

What are the Differences Between Internal and External Iterator in Java ?

Main differences between Internal and External Iterator are...

190 Java

What is a Shutdown Hook in Java ?

The shutdown hook is a thread that is invoked implicitly by JVM just before the shut down...

201 Java

What are the Lifecycle Methods of a JSP ?

A JSP has following lifecycle methods...

204 Java

How Will You Implement a Thread Safe JSP Page ?

We can use SingleThreadModel Interface to implement a thread safe JSP page...

193 Java

What is a Singleton Class in Java ?

A Singleton class in Java has maximum one instance of the class present in JVM, all the time. The constructor...

205 Java

What is the Purpose of Native Method in Java ?

The native keyword is used for applying to a method to indicate that the method is...

199 Java

What are the Uses of Optional in Java ?

Some of the uses of Optional in Java..

200 Java

Why Did Oracle Release a New Version of Java Like Java 8 ?

The main theme of Java 8 is support for functional programming. With increase in Database size and growth of multi-code...

249 Java Oracle

Replacing Hashtable With ConcurrentHashMap in Java

A ConcurrentHashMap can be replaced with Hashtable in Java...

213 Java

What are the Uses of Reflection in Java ?

Reflection is often used in Testing, Debugging and in Integrated Development Environment (IDE)...