Introduction to ArrayList ArrayList class uses a dynamic array for storing a list of elements. It is inherited from AbstractList class and implements List interface. Following are some important points about ArrayList: ArrayList can contain duplicate elements. ArrayList size varies. When number of elements increase, size of ArrayList increases automatically, and when number […]
What is Java Collections Framework? In order to write efficient programs you need to know how to work with a data structure. A data structure is a entity which contains a group of data organized in some manner. Examples of popular data structures are arrays, stacks, queues, linked lists, trees, etc. Java provides […]
In this article we will look at some of the swing controls available in javax.swing package along with sample Java code for each control. Labels The JLabel class is used to display a label i.e., static text. A JLabel object can be created using any one of the following constructors: JLabel(Icon icon) […]
In this article we will look at introduction to swing which explains the importance of swings package in Java that is used to create GUIs. Although Java already provides AWT for creating GUIs, due to several limitations of AWT, they developed swings package. One limitation of AWT is, AWT takes the help of native […]
In this article we will learn about what is a layout manager and what are the different layout managers available in Java. A layout manager is one which automatically manages the arrangement of various of components in a container. Each container will have a default layout manager. Default layout managers for some of the […]