Coursera Courses

For The First Solution CLICK HERE

For The Sixth Solution CLICK HERE

For The Fifth Solution CLICK HERE

For The Fourth Solution CLICK HERE

For The Third Solution CLICK HERE

For The First Answer CLICK HERE

For The Fifth Answer CLICK HERE

For The Fifth Answer CLICK HERE

For The Fourth Answer CLICK HERE

For The Third Answer CLICK HERE

a For The Second Answer Click HERE

/**  * Write a description of URLFINDER here.  *  * @author (your name)  * @version (a version number or a date)  */ import edu.duke.*; import java.io.*; public class URLFINDER {     public void asd(){         URLResource file = new URLResource("http://www.dukelearntoprogram.com/course2/data/manylinks.html");         for ( String item : file.words() ) {             String itemLower = item.toLowerCase();             int pos = itemLower.indexOf("youtube.com");             if ( pos != -1 ) {                 int beg = item.lastIndexOf("\"", pos);                 int end = ...

import edu.duke.*; import java.io.*; public class TagFinder{     public String findProtein(String dna){         int start = dna.indexOf("atg");         int stop = dna.indexOf("tag", start +3);         if (start == -1){             return "no starton protein found";         }                if ((stop-start)%3==0){             return dna.substring(start,stop+3);         }         else{             return"not not a protein because of Divisible factor";         }     }     public...

A For The Second Solution CLICK  HERE

import edu.duke.*; import java.io.File; public class GrayScaleConverter {     //started with the image i wanted(inImage)     public ImageResource makeGray(ImageResource inImage){     //I Made a blank image of the same size         ImageResource outImage = new ImageResource(inImage.getWidth(),inImage.getHeight());     //for each pixelin outImage         for(Pixel pixel : outImage.pixels()){     //look at the corresponding pixel in inImage             Pixel inPixel = inImage.getPixel(pixel.getX(),pixel.getY());     //compute inPixel's red + inPixel's blue + inpixel's green     //divide that sum by 3(call it average)     int average = (inPixel.getRed()+inPixel.getGreen()+inPixel.getBlue())/3;     //set pixel's red to average  ...

import edu.duke.*; import java.io.*; public class imageSaver {     public void doSave(){         DirectoryResource dr = new DirectoryResource();         for(File f : dr.selectedFiles()){             ImageResource image = new ImageResource(f);             String fname = image.getFileName();             String newfname = "copy-" + fname;             image.setFileName(newfname);             image.draw();             image.save();         }     }     }

import edu.duke.*; import java.io.File; public class GrayScaleConverter {     //started with the image i wanted(inImage)     public ImageResource makeGray(ImageResource inImage){     //I Made a blank image of the same size         ImageResource outImage = new ImageResource(inImage.getWidth(),inImage.getHeight());     //for each pixelin outImage         for(Pixel pixel : outImage.pixels()){     //look at the corresponding pixel in inImage             Pixel inPixel = inImage.getPixel(pixel.getX(),pixel.getY());     //compute inPixel's red + inPixel's blue + inpixel's green     //divide that sum by 3(call it average)     int average = (inPixel.getRed()+inPixel.getGreen()+inPixel.getBlue())/3;     //set pixel's red to average  ...

/**  * Write a description of GrayScaleConverter here.  *  * @author (your name)  * @version (a version number or a date)  */ import edu.duke.*; public class GrayScaleConverter {     //started with the image i wanted(inImage)     public ImageResource makeGray(ImageResource inImage){     //I Made a blank image of the same size         ImageResource outImage = new ImageResource(inImage.getWidth(),inImage.getHeight());     //for each pixelin outImage         for(Pixel pixel : outImage.pixels()){     //look at the corresponding pixel in inImage             Pixel inPixel = inImage.getPixel(pixel.getX(),pixel.getY());     //compute inPixel's red + inPixel's blue + inpixel's green     //divide that sum by 3(call it average)    ...

/**  * Write a description of greyscale here.  *  * @author (your name)  * @version (a version number or a date)  */ import edu.duke.*; import java.io.*; public class greyscale {     public void checkdir(){             DirectoryResource dr = new DirectoryResource();                 for (File f : dr.selectedFiles())         {                     System.out.println(f);         }     }         }