Question

write a program in java to accept a number and display the new number after removing all the zeros

Answer 1

class demo

{

public static void main(String args[])

{

int num;

String s,ss;

Scanner sc=new Scanner();

System.out.println(“Enter a no.”);

num=sc.nextInt();

s=String.valueOf(num); //convert the integer into string

ss=s.replaceAll(“0”,””); //replacing all 0 with nothing

num=Integer.parseInt(ss); //string to integer back

System.out.println(num);

}

}

Answer 2

Answer:

//Write a program to accept a no. & display the new number after removing all zeros.

class Zero

{

public static void main(int n)

{

int rem=0,p,x,z=0,r=0,rev=0;

while(n>0)

{

rem=n%10;

if(rem==0)

{

x=rem;

}

else

{

p=rem;

rev=rev*10+p;

}

n=n/10;

}

while(rev>0)

{

z=rev%10;

r=r*10+z;

rev=rev/10;

}

System.out.println(“The new no.=”+r);

}

}

Explanation: Hope u understand it