I suggest you look up a video for it ofc
Answer:dna.java
import java.util.Scanner;
public class dna
public static boolean isvalid(String s)
for (int i = 0; i< s.length()="" ;="">
if(s.charAt(i) != 'C' && s.charAt(i) != 'G' && s.charAt(i) != 'A' && s.charAt(i) != 'T' )
return false;
return true;
public static double countc(String s)
double c = 0;
for (int i = 0; i< s.length()="" ;="">
if(s.charAt(i) == 'C' )
c = c+1;
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hope that helps
Answer:
well the definition of cyberspace is the notional environment in which communication over computer networks occurs.
Explanation:
or in other words a virtual computer world