Q-
1.
Input
number of calls, calculate and print the bill.
For
first 50 calls 0
For
next 150 calls 1 Re/Call
For
next 150 calls .75 p/Call
For
next 150 calls .60 p/Call
Over
500 calls .5 p/Call
Add
: Rs. 180 as rent and 12.05% as service tax.
//Telephone
Bill
import
java.io.*;
public
class Elec_Bill
{
public static void main(String args[])throws
IOException
{
int call;
double bill=0;
BufferedReader Br=new
BufferedReader(new InputStreamReader(System.in));
System.out.print("Enter no
of calls : ");
call=Integer.parseInt(Br.readLine());
if(call<=50)
{
bill=180;
}
else if(call<=200)
{
bill=180+(call-50)*1 ;
}
else if(call<=350)
{
bill=180+(100*1)+(call-150)*0.75 ;
}
else if(call<=500)
{
bill=180+(100*1)+(150*0.75)+(call-350)*0.6 ;
}
else
{
bill=180+(100*1)+(150*0.75)+(150*0.6)+(call-500)*0.5;
}
bill=bill+(bill*12.05/100.0);
System.out.println("\n\tThe Telephone bill is Rs."+bill);
}
}
Q-2.
a)
Largest of two number
b)
Largest of three Number
//largest
of three using logical operator
import
java.io.*;
public
class Large
{
public static void main(String args[])throws
IOException
{
int a,b,c;
BufferedReader Br=new
BufferedReader(new InputStreamReader(System.in));
System.out.print("Enter
First No. : ");
a=Integer.parseInt(Br.readLine());
System.out.print("Enter
Second No. : ");
b=Integer.parseInt(Br.readLine());
System.out.print("Enter
Third No. : ");
c=Integer.parseInt(Br.readLine());
Large2(a,b);
Large3(a,b,c);
}
public static void Large2(int a, int b)
{
if(a>b)
{
System.out.println("\n\t"+a+" is the largest");
}
else
{
System.out.println("\n\t"+b+"
is the largest");
}
}
public static void Large3(int a, int
b,int c)
{
if(a>b && a>c)
{
System.out.println("\n\t"+a+" is the largest");
}
else if(b>c)
{
System.out.println("\n\t"+b+" is the largest");
}
else
{
System.out.println("\n\t"+c+" is the largest");;
}
}
}
Program
using ternary operator
Q-1.
a)
Largest of two number
public class Ternary_Operator
{
public static void main(String
args[])
{
int a=10,b=20;
System.out.println("The largest between a and b
("+a+","+b+") = "+(a>b?a:b));
}
}
b)
Largest of three Number
import java.io.*;
public class Ternary_Operator_1
{
public static void main(String
args[])throws IOException
{
int a=10,b=20,c=5;
BufferedReader Br=new
BufferedReader(new InputStreamReader(System.in));
System.out.print("Enter First No. : ");
a=Integer.parseInt(Br.readLine());
System.out.print("Enter Second No. : ");
b=Integer.parseInt(Br.readLine());
System.out.print("Enter Third No. : ");
c=Integer.parseInt(Br.readLine());
System.out.println("The largest between a and b
("+a+","+b+","+c+") = "+(a>b?(a>c? a :
c):(b>c?b:c)));
}
}
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