Page 322 - CA_Blue( J )_Class9
P. 322
Ans. class pattern
{
public static void main()
{
int i,j;
for(i=1;i<=5;i++)
{
for(j=1;j<=i;j++)
{
if(i%2==0)
{
System.out.print("&");
}
else
{
System.out.print("$");
}
}
System.out.println();
}
}
}
Question 8. [15]
Write a program to input number of lines and print the Floyd's Triangle using while loop.
1
2 3
4 5 6
7 8 9 10
Ans. import java.util.*;
class while_floyd
{
public static void main()
{
Scanner sc= new Scanner(System.in);
int i,j,n,k=1;
System.out.print("Enter number of lines : ");
n=sc.nextInt();
i=1;
while(i<=n)
{
j=1;
while(j<=i)
{
System.out.print(k+" ");
k++;
j++;
}
i++;
System.out.println();
}
}
}
320 Touchpad Computer Applications-IX

