Data Bank | Yazilim Ders

Why Do We Use Nested Classes in Java ?

Encapsulation :Nested classes increase encapsulation. Let say there are two top-level classes, Foo and Bar...

201 Java

What is the Difference Between a Nested Class and an Inner Class in Java ?

An Inner class in Java is non-static class. It is a type of Nested class that is defined in another class but not...

196 Java

What is Template Method Design Pattern in Java ?

It is a behavioral design pattern. We can use it to create an outline for an algorithm or a complex operation...

191 Java

What are the Main Uses of Singleton Design Pattern in Java ?

Some of the main uses of Singleton design pattern in Java are as follows...

188 Java

How Strategy Design Pattern is Different From State Design Pattern in Java ?

State design pattern is a behavioral design pattern that is use for defining the state machine for an object. Each state of...

189 Java

When Will You Use Strategy Design Pattern in Java ?

Strategy pattern is very useful for implementing a family of algorithms. It is a behavioral design pattern...

197 Java

How Will You Use Other Java Files of Your Application in JSP Code ?

We can use import tag to import a Java file in JSP code. Once a file is imported, it can be used by JSP code...

198 Java

What are the Thread-safe Classes in Java Collections Framework ?

The Thread-safe classes in Java Collections framework are...

204 Java

What are the Differences Between Collection and Collections in Java ?

Main differences between Collection and Collections are...

185 Java

What are the Differences Between a List and Set Collection in Java ?

Main differences between a List and a Set are...

209 Java

What are the Differences Between Comparable and Comparator in Java ?

Main differences between Comparable and Comparator are...

193 Java

What is the Reason For Overriding equals Method in Java ?

The equals() method in Object class is used to check whether two objects are same or not. If we want a custom implementation we can override this method...

207 Java

How Does hashCode Method Work in Java ?

Object class in Java has hashCode() method. This method returns a hash code value, which is an integer...

179 Java

What is the Difference Between an Iterator and ListIterator in Java ?

Iterator and ListIterator are two interfaces in Java to traverse data structures. The differences between these two are...

200 Java

What is the Difference Between Iterator and Enumeration in Java ?

Both Iterator and Enumeration are interfaces in Java to access Data Structures. The main differences between these are...

183 Java

What is the Difference Between an ArrayList and a LinkedList Data Structure in Java ?

Main differences between ArrayList and LinkedList data structures are...

205 Java

What are the Differences Between a HashSet and a HashMap in Java ?

The main difference between a HashSet and a HashMap are...

199 Java

What is the Use of a Dictionary Class in Java ?

The Dictionary class in Java is used to store key-value pairs. Any non-null object can be used for key or value. But we cannot insert a null key or null object in Dictionary...

186 Java

What is the Difference Between a Set and a Map in Java ?

Main differences between a Set and a Map in Java are...