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Java Program to Find Roots of Quadratic Equation

import java.util.*; class testing {         public static void main(String args[])         {             double d,a,b,c,r1,r2;             Scanner sc=new Scanner(System.in);             System.out.println("Enter a:");             a=sc.nextDouble();             System.out.println("Enter b:");             b=sc.nextDouble();             System.out.println("Enter c:");             c=sc.nextDouble();             d=(Math.pow(b,2))-4*a*c;             if(d>0)             {                 r1=(-b+Math.sqrt(d))/(2*a);                 ...
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Write a Program To Input the Marks and Display the Grades Accordingly using if-else in Java

import java.util.*; class Marks {     public static void main(String args[])     {         int m;         Scanner sc=new Scanner(System.in);         System.out.println("Enter the Marks:");         m=sc.nextInt();         if(m>=80)         {             System.out.println("Distinction");         }         else if(m>=60 && m<80)         {             System.out.println("First Division");         }         else if(m>=45 && m<60)         {             System.out.println("Second Division");         }         else if(m>=40 && m<45)   ...
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WAP to input the total cost and to compute and display the Amount to be paid after the discount on the cost of purchased items, based on the following criteria:

WAP to input the total cost and to compute and display the Amount to be paid after the  discount on the cost of purchased items, based on the following criteria:         Cost                                            Discount (in percentage) Less than or equal to Rs. 10000                               5% More than Rs. 10000 and less than or equal to Rs. 20000       10% More than Rs. 20000 and less than or equal to Rs. 35000       15% More than Rs. 35000                                           20%*//*WAP to input the total cost and to compute and display the Amount to be paid after the  discount on the cost of purchased it...
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Marquee Tag in Html and Properties of Marquee Tag with Html Code

<!DOCTYPE html> <html> <head> <title>Marquee Tag Example</title> </head> <body> <marquee behavior="scroll" scrollamount="10" direction="right" loop="3">Welcome To Coding Hub</marquee> </body> </html>
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LIST Tags in Html

<!DOCTYPE html> <html> <head> <title>Example of List</title> </head> <body> <center><h1>Type of List</h1></center> <!--Order list--> <ol type=a> <li>Ajit</li> <li>Sahbaj</li> <li>Pawan</li> </ol> <ol type=A> <li>Ajit</li> <li>Sahbaj</li> <li>Pawan</li> </ol> <ol type=i> <li>Ajit</li> <li>Sahbaj</li> <li>Pawan</li> </ol> <ol start="10"> <li>Ajit</li> <li>Sahbaj</li> <li>Pawan</li> </ol>   <!--Unorder List--> <ul type="square">     <li>Ajit</li> <li>Sahbaj</li> <li>Pawan</li> </ul> <!--Defination List--> <dl> <dt>Ajit</dt> <dd>he is game De...
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A Computer Salesman gets commission on the following basis using Java

/*A computer salesman gets commission on the following basis:             Sales                        Commission Rate             Rs. 0 - 20,000                      3%             Rs. 20,000 - 50,000                12%             Rs. 50,001 and more                31% After accepting the sales as input, calculate and print his commission amount and rate of commission.*/ Source code: import java.util.*; class Comm {     public static void main(String args[])     {         double comm=0.0;         int rate=0,sale;         Scanner sc=new Scanner(System.in);       ...
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Electricity Bill Program:Write a program in JAVA to enter the unit and calculate the amount to bill paid by user

Calculate the Bill as per the following tariff : Number of units Rate per unit 1 - 100 units Rs.5.00 101-200 units Rs.7.00 201-300 units Rs.10.00 Above 300 Rs:15.00 Before we write a program to calculate the electricity bill we must understand electricity charges and rates. /*1 - 100 unit - 5/= 101-200 unit - 7/= 201-300 unit - 10/= above 300 - 15/=*/ Explanation if the unit consumed less or equal to 100 units, calculates the total amount of usage =unit*5 if unit consumed between 100 to 200 units, calculates the total amount of usage =(100*5)+(unit-100)*7) if unit consumed between 200 to 300 units ,calculates total amount of usage =(100*5)+(100*7)+(unit-200)*10 if unit consumed above 300 units ,calculates total amount of usage =(100*5)+(100*7)+(100*10)+(unit-300)*15 No additional charge Source code import java.util...
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