Strings in Java

Use the following data file to answer this question which represents one long strand of DNA: http://www.cs.duke.edu/~rodger/GRch38dnapart.fa. How many times does the codon CTG appear in this strand of DNA?

224

Use the following data file to answer this question: http://www.cs.duke.edu/~rodger/GRch38dnapart.fa. How many genes in this file are longer than 60?

23

Use the following data file to answer this question: http://www.cs.duke.edu/~rodger/GRch38dnapart.fa. How many genes in this file have cgRatio greater than 0.35?

40

Use the following data file to answer this question: http://www.cs.duke.edu/~rodger/GRch38dnapart.fa. What is the length of the longest gene in the collection of genes found in this file?

489

Use the following data file to answer this question: http://www.cs.duke.edu/~rodger/GRch38dnapart.fa. How many genes are in this file?

69

Consider the following mystery method. public String mystery(String dna) { int pos = dna.indexOf("T"); int count = 0; int startPos = 0; String newDna = ""; if (pos == -1) { return dna; } while (count < 3) { count += 1; newDna = newDna + dna.substring(startPos,pos); startPos = pos+1; pos = dna.indexOf("T", startPos); if (pos == -1) { break; } } newDna = newDna + dna.substring(startPos); return newDna; } Which of the following best describes what it does?

The method mystery is given a string and it returns a string which is the same string but with the first three T's removed.

Consider finding all the YouTube links on a web page. What is the video for the second YouTube link on the web page http://www.dukelearntoprogram.com/course2/data/manylinks.html about? 1 point

Turkeys, Ducks and Quails