Hello guys, welcome to Lingarajtechhub. Today we are going to discuss finding the Area of the cube using Scanner class.
Code:
package com.Arithmatic_operator.java;
//it is a java package( com.Arithmatic_operator.java) which is collection of classes and this package is created in java project.
import java.util.Scanner;
//Scanner is a class in java. util package used for obtaining the input of the primitive types like int, double, etc. and strings
public class Area_of_cube {
//Here Area_of_cube is defined as a class which is a template used to create objects and to define object data types and methods .
//and its define as public because it access any where .
public static void main(String[] args) {
// it is a main method in which we can execute a program
//public :it is a access modifier of the main function which is must be public so that the JRE which is (Java Run Time Environment)can access and execute this method.
//If a method is not public, then access is restricted and its showing error
//static is a keyword in which main method has must to be static in which JVM can load the class into memory and call the main method without creating an instance
//void it means no return type
//main() is function
/*
string[]args : string means collection of charecters ,String[] args represents a collection of Strings
that are separated by a space and can be typed into the program on the terminal directly
*/
double area,side;
//Here we Declare 2 variable area ,side which is double type
Scanner sc=new Scanner(System.in);
//here scanner is a class and Sc is the instance of the object which is new Scanner.System.in is an argument
System.out.println("Enter the sides of cube");
//it means System is a class name and out is an instance of the System println is print a new line
side=sc.nextDouble();
//here side is a variable that we take and sc is our instance name which is create for a object and nextDouble() is a method method of a Scanner object reads in a string of digits or char and converts them into a double type
area=6*(side*side);
//here we apply the logic ,for find the area of a cube ,we use the formula 6*square of sides then we assign "6*(side*side)" this value to area ,then we find the value of area
System.out.println("area of a cube "+area);
//it means System is a class name and out is an instance of the System println is print a new line
//+area ,+ means cocardinate act like as a comma operator,and here area means 6*(side*side) expression result is assign to area variable then result is shown
}
}Line 1:
package com.Arithmatic_operator.java;
–> it is a java package( com.Arithmatic_operator.java) which is collection of classes and this package is created in java project.
Line 2:
import java.util.Scanner;
–> Scanner is a class in java. util package used for obtaining the input of the primitive types like int, double, etc. and strings
Line 8:
public class Area_of_cube {
//Here Area_of_cube is defined as a class which is a template used to create objects and to define object data types and methods .
//and its define as public because it access any where .
Line 12:
public static void main(String[] args) {
// it is a main method in which we can execute a program
//public :it is a access modifier of the main function which is must be public so that the JRE which is (Java Run Time Environment)can access and execute this method.
//If a method is not public, then access is restricted and its showing error
//static is a keyword in which main method has must to be static in which JVM can load the class into memory and call the main method without creating an instance
//void it means no return type
//main() is function
/*
string[]args : string means collection of charecters ,String[] args represents a collection of Strings
that are separated by a space and can be typed into the program on the terminal directly
*/
Line 23:
double area,side;
//Here we Declare 2 variable area ,side which is double type
Line 25:
Scanner sc=new Scanner(System.in);
//here scanner is a class and Sc is the instance of the object which is new Scanner.System.in is an argument
Line 27:
System.out.println(“Enter the sides of cube”);
//it means System is a class name and out is an instance of the System println is print a new line
Line 29:
side=sc.nextDouble();
//here side is a variable that we take and sc is our instance name which is created for an object and nextDouble() is a method of a //Scanner //object that reads a string of digits or char and converts them into a double type
Line 31:
area=6(side side);
//here we apply the logic, for find the area of a cube, we use the formula 6square of sides then we assign “6(side*side)” this value to the area then //we find the value of an area
Line 33:
System.out.println(“area of a cube “+area);
//it means System is a class name and out is an instance of the System println is print a new line
//+area,+ means coordinate act like as a comma operator, and here area means 6(side-side) expression result is assigned to area variable then //result is shown
