Archives for March 2022

In this post, we discuss the character class in java. Example: char ch = ‘x’; // Unicode for uppercase Greek omega character char uniChar = ‘\u039A’; // an array of chars char[] charArray ={ ‘x’, ‘y’, ‘z’ }; Java provides wrapper class Character for primitive data type char. You can create a Character object with […]

A loop statement allows us to execute a statement or group of statements multiple times Loop & Description while loop: Repeats a statement while a given condition is true. for loop: Execute a sequence of statements multiple times and abbreviates the code that manages the loop variable. do…while loop: it tests the condition at the […]

Modifier Types you add to those definitions to change their meanings. Java language has a wide variety of modifiers the following: Access Control Modifiers Non-Access Modifiers Example: public class className { // … } private boolean myFlag; static final double weeks = 12.5; protected static final int BOXWIDTH = 52; public static void main(String[] arguments) […]

Following are examples of variable declaration and initialization in Java. Example: int x, y, z; // Declares three ints, x, y, and z. int x = 10, y = 25; // Example of initialization byte Y = 24; // initializes a byte type variable Y. double pi = 3.14159; // declares and assigns a value […]

Object − Objects have states and behaviors. Example: A cat has states – color, name, breed as well as behaviors – wagging the tail, mau-mau, eating. An object is an instance of a class. Class – A class can be defined as a template/blueprint that describes the behavior/state that the object of its type support. […]

In this tutorial we discuss do class, object, methods, and instance variables mean. Java Program Example Let us look at a simple code that will print the words Hello Java. public class JavaProgramExample { /* This is my first java program. * This will print ‘Hello Java’ as the output */ public static void main(String […]

In this post, we will discuss how to install and configure java in pc or laptop. Installation setup JAVA Java SE is freely available from the link Download Java. You can download a version based on your operating system. Follow this setup for Windows. When your complete download run the .exe to install Java on […]

Java programming language is very easy to learn. More than 3 billion devices run Java. Java is used to develop apps for Google’s Android OS, various Desktop Applications, such as media players, antivirus programs, Web Applications, Enterprise Applications (i.e. banking), and many more! The main Method the main method must be identical to this signature: […]