Data Bank | Yazilim Ders

Why Do We Use JSP Instead of Servlet in Java ?

Since JSP pages are dynamically compiled into servlets, the programmers can easily make updates to the presentation layer code...

215 Java

What is the Difference Between a Cookie and a Session Object in Java ?

Both Cookie and Session are used during communication between Client and Server. The Client can disable...

202 Java

When Do You Use Exception or Error in Java ?

Throwable class is the superclass of Exception and Error classes in Java...

197 Java

How Can You Make an Object Eligible for Garbage Collection in Java ?

To make an Object eligible for Garbage collection, just make sure that it is unreachable to the program in which...

189 Java

Why Collection Interface Doesn’t Extend Cloneable and Serializable Interfaces in Java ?

Collection interface just specifies groups of objects known as elements. Each concrete implementation of a Collection...

223 Java

What is the Difference Between pass by reference and pass by value in Java ?

Whenever an object is passed by value, it means that a copy of the object is passed. Even if changes are...

227 Java

Enumeration and Iterator, Which One Has Better Performance in Java ?

Enumeration interface is a read-only interface. It has better performance than Iterator. It is almost twice as fast...

196 Java

What is the Difference Between DOM and SAX Parser in Java ?

In Java, Document Object Model (DOM) parser loads the whole XML into memory and creates a tree based...

224 Java

How Can We Print an Array in Java ?

We can print an array by using methods of Arrays class. We can either use Arrays.toString() method or we can...

201 Java

What is Volatile Keyword in Java ?

The volatile keyword guarantees global ordering on reads and writes to a variable. This implies that every thread...

216 Java

What is a Compile Time Constant in Java ?

A compile time constant is public static final variable. The public modifier is optional here. At compile time, they...

203 Java

How Can We Find the Memory Usage of JVM From Java Code ?

We can use memory management related methods provided in java.lang.Runtime class to get the free memory...

243 Java

How Stack and Heap Work in Java Multi-threading Environment ?

In Java, Stack and heap are memory areas available to an application. Every thread has its own stack. It is used...

234 Java

What are the Different States of a Thread in Java ?

Following are the different states of a Thread in Java..

192 Java

What is a Scheduler Program ?

A scheduler is a program that is the implementation of a scheduling algorithm to manage access of processes...

192 Technology

What is the Main Difference Between Process and Thread ?

As such both process and thread are independent sequences of execution...

239 Technology

What is the Meaning of Concurrency ?

Concurrency is the ability of a program to execute several programs simultaneously. This is achieved by distributing computations...

198 Technology

What are the Disadvantages of Multithreading in Java ?

There are certain downsides to Multithreading...