Rewrite the following program using do while loop:

class Test
{
public static void main(String args[])
{
int x,c; 
for(x=10,c=20;c>=10;c=c-2)
{
x++;
System.out.println(x);
} 
}
}

Rewrite the following program using do while:

class Pattern
{
public static void main(String args[])
{
int i,j; 
for(i=5;i>=1;i--)
{
System.out.print(i);
}
System.out.println();
} 
}

Rewrite the following program using while loop:

import java.io.*; 
class Sample
{
public static void main(String args[]) throws IOException
{
int n,r;
InputStreamReader read = new InputStreamReader(System.in); 
BufferedReader in = new BufferedReader(read); 
System.out.println("Enter a number"); 
n=Integer.parseInt(in.readLine());
do
{
r=n%10;
n=n/10;
System.out.println(r);
}
while(n!=0);
}
}

Write the program in Java to display the first ten terms of the following series:

1, 4, 9, 16,