print reverse of a number(using java)
// a=125 ans-521;
class reverse
{
public static void main(String args[])
{
int no=125, rev=0,b=0;
while(no>0)
{
b=n0%10;
no=no/10;
rev=rev *10+b;
}
System.out.println(rev);
}
}
How to print 9,99,8,89,7,79....
/ common way to write int a=9,n=10 ; // n value you can take anything for(int i=1;i<=n;i++) { if(i%2==1) { System.out.print(a); } else { System.out..print(a*10+9); a--; }}
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