Category: Java

3 Working with URL in Java URL stands for Uniform Resource Locator. Every webpage or resource on the Internet has a unique URL by which it is recognized. If you want to develop a web-based application, your program needs to be able to interact with URLs as well as manipulate if required. Components of an […]

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0 Working with Text Fields in Java JTextField is a class in Swing that allows users to create text fields of varying sizes and types. The JTextField lass is available in the javax.swing package. If you want to use this widget or component, you will need to do the following import: import javax.swing.*; The text […]

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0 Working with StringBuilder Class in Java The StringBuilder is a sequence of characters that is mutable (modified or changed). The StringBuilder class has been made such that users have the option of using mutable literals rather than the immutable objects of the String class. The StringBuilder class closely relates to the StringBuffer class with […]

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0 Working with ScrollPanes in Java Scrollbars are an integral part of any interface. To show any content that extends beyond the length of a certain page, you most definitely will need a scroll pane or a scrollbar. Scrollbars also come into play when dynamically resizing a page. For example, when you contract the window […]

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0 Working with Lists The JLists class of JAVA is part of the Java Swing package. Lists are a way to represent several sets of data or information one after the other. Lists can be active as well as passive. Active lists will allow you to make selections (one or more) from the list. Buttons […]

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1 Working with File Data in Java Reading and Writing files is a key task when working with applications. The main components responsible for this operation are the input and output streams. To make this process faster, NIO (New Input Output) had been introduced to Java with JDK 1.6. On top of the standard I/O […]

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0 Working with Colours in Java To assist users in working with colours, JAVA has a dedicated class called the Color class (note the spelling of ‘Color’). As a reference, the American spelling of the word is used for all cases that deal with colour in JAVA. The RGBA values (Red, Green, Blue, Alpha) and […]

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0 Working with Buttons in Java Every application has a lot of buttons. Some are dummy buttons while the others perform a certain action or call a certain event in the program. In this article, we will be creating buttons using Java Swing. JButtons are part of the javax package so if you want to […]

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0 Working with Buffers in Java NIO (New Input Output) streams in Java have been introduced keeping in mind the higher performance demands of new web-based applications. The java.nio class has been formed basing Java Buffers therefore the concept of Buffers becomes very important in this regard. In simple words, a buffer is a temporary […]

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0 Introduction Regular Expressions or Regex in short is an Application Programming Interface that converts strings or sequences of characters into patterns. These patterns are later used in various string manipulations such as searching, sorting, and replacing. In this article, we will see how to search for particular characters in a string and replace it […]

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