Student Management System using Function Overloading using OOP in C++
Create a class for students containing data members: – Roll_no, name, marks1, marks2, and marks3.
Classes and Objects in Java
Java class is a set of related objects. The object(addition a1=new addition();a1 is the object) has some attributes, whose value consists much of the state of an object. Class is a user-defined data type in Java. The complete set of data and code of an object can be made a user-defined data type with the … Read more
Java Program to Calculate the Area of Rectangle
Java program to calculate rectangle area using Scanner classes: import java.util.Scanner; public class Rarea { public static void main(String[] args) { Scanner inn = new Scanner(System.in); double height, width, area; System.out.println(“Area of Rectangle”); System.out.print(“Please enter the height: “); height = inn.nextDouble(); System.out.print(“Please enter the width: “); width = inn.nextDouble(); area = height * width; System.out.println(“Area: … Read more
AWT Event Classes
The Event classes represent the events that are generated when an end user interacts with the AWT components. the EventObject class is the superclass for handling all events. the class exists in the package, java. util. The AWTEvent class is the subclass of the EventObject class and all AWT events originate from the AWTEvent class. … Read more
Changing Font and Color in Java Applet
To display text(write the text), you must first select a font. A font is specified by its names, such as “Arial”, the style(plain, bold, italic, or bold italics), and the point size. A font is an object in Java, so we need to create it via a call to new before we can use it. … Read more
Java program to add, subtract, multiply and divide two numbers
The switch statement is a multi-way decision-making statement in which we can select only one . The switch statement starts with the “switch” keyword like (switch(expression)). Switch defines one or more case values which we know as case labels. Case labels consist of case keywords followed by a colon(:), and every case is terminated by … Read more
Daemon Thread in Java
Daemon Thread There are two types of threads The threads created by the user(create a thread in the program ) are called user threads. The threads that work in the background providing service to others are called Daemon Threads. The two methods used only in the daemon thread, not in the user thread are: Example … Read more
String Constants vs Char Arrays in C
A string constant is a series of characters(array of characters or group of characters) enclosed with double quotes(like “GOOD “). A string constant is a one-dimensional (str11[]) array of characters. A character constant is a character enclosed in single quotes. (like ‘G ‘). Each character in a string takes only 1 byte. String and Character … Read more
Finally, Block in Java
Finally blocks(finally{}) are executed once the try block(try{}) exits. This block executes even after unexpected exceptions(errors) have occurred. Irrespective of the try block, the expression in finally block(finally{}) is always executed. This block(finally{}) is in-built with the capability of recovering lost and preventing the leak of resources. On closing and recovery of a file, the … Read more
Bubble Sort in C
Bubble sorting is the most popular sorting technique because it is very simple to understand and implement. The algorithm achieves its name from the fact that with each iteration the largest value moves like a bubble to the top of the array. The bubble sort method is not efficient for large arrays. Bubble Sort Algorithm … Read more