Page 183 - CA_Blue( J )_Class10
P. 183
System.out.println("Grade A");
else
if(m>70)
System.out.println("Grade B");
else
if(m>50)
System.out.println("Grade C");
else
System.out.println("Grade D");
}
}
}
33. Write a menu-driven program to print the following series:
th
i. 1,4,9,……n term
2
6
4
ii. a ,a ,a ,……n term
th
Ans. import java.util.*;
class series_switchcase
{
public static void main () {
Scanner sc = new Scanner (System.in);
int i, n, a, ch;
System.out.print("Enter n : ");
n=sc.nextInt();
System.out.println("1. Series 1");
System.out.println("2. Series 2");
System.out.println("Enter your choice :");
ch=sc.nextInt();
switch(ch)
{
case 1: for(i=1;i<=n;i++)
{
System.out.print(i*i);
}
break;
case 2: System.out.print("Enter a : ");
a=sc.nextInt();
for(i=1;i<=n;i++)
{
System.out.print(Math.pow(a,(i*2))+ " , " );
}
break;
default: System.out.println("Wrong Choice");
}
}
}
34. Write a program to print the sum of numbers that ends with 3 and the square of numbers that are multiples of 4. The program
will continuously input value as long as the user wants.
Ans. import java.util.*;
class sum_product
{
public static void main () {
Scanner sc = new Scanner (System.in);
int m, s=0, p = 1;
boolean cod=true;
char a = ' ';
while(cod)
{
181
Iterative constructs in Java 181

