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Question
Define a class with the following specifications:
Class name: Bank
Member variables:
double p - stores the principal amount
double n - stores the time period in years
double r - stores the rate of interest
double a - stores the amount
member methods:
void accept () - input values for p and n using Scanner class methods only.
void calculate () - calculate the amount based on the following conditions:
| Time in (Year) | Rate % |
| Upto `1/2` | 9 |
| >`1/2` to 1 year | 10 |
| > 1 to 3 year | 11 |
| > 3year | 12 |
`a = p (1+r/100)^n`
void display () - display the details in the given format.
Write the main method to create an object and call the above methods.
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Solution
import java.util.*;
class bank
{
double p,n,r,a;
Scanner ob=newScanner(System.in);
void accept()
{
System.out.println("Enter principal");
p=ob.nextDouble();
System.out.println("Enter number of years");
n=ob.nextDouble();
}
void calculate()
{
if(n<=0.5)
r=9;
else
if(n>0.5&&n>=1)
r=10
else
if(r>1&&n<=3)
r=11;
a=p*Math.pow(1+r/100,n);
}
void display()
{
System.out.println("Principal"+"\t"+"Rate"+"\t"+"Time"+"\t"+"Amount");
System.out.println(p+"\t"+r+"\t"+n+"\t"+a);
}
void main()
{
bank b=new bank();
b.accept();
b.calculate();
b.display();
} } APPEARS IN
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