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final solutions to chapter 5 exercises
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‎.vscode/launch.json‎

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{
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// Use IntelliSense to learn about possible attributes.
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// Hover to view descriptions of existing attributes.
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// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
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"version": "0.2.0",
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"configurations": [
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{
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"type": "node",
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"request": "launch",
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"name": "Launch via NPM",
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"runtimeExecutable": "npm",
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"runtimeArgs": [
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"run-script",
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"debug"
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],
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"port": 9229
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},
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{
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"type": "node",
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"request": "launch",
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"name": "Launch Program",
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"program": "${file}"
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}
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]
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}

‎Exercise Solutions/Chapter 5/5-6 solution.txt‎

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Q #3: "rattle"
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Q #4: ik
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rattle
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ping zoop
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boo-wa-ha-ha

‎Exercise Solutions/Chapter 5/BottlesOfBeer.java‎

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public class BottlesOfBeer {
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public static void beerBottles(int num) {
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if(num == 0) {
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System.out.println("No bottles of beer on the wall,");
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System.out.println("no bottles of beer,");
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System.out.println("ya' cant take one down, ya can't pass it around,");
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System.out.println("'cause thre are no more bottles of beer on the wall!");
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} else {
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System.out.println(num + " bottles of beer on the wall,");
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System.out.println(num + " bottles of beer,");
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System.out.println("ya' take one down, ya' pass it around,");
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System.out.println(num + " bottles of beer on the wall.");
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beerBottles(num -1);
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}
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}
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public static void main(String[] args) {
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beerBottles(99);
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}
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}

‎Exercise Solutions/Chapter 5/NumberGuess.java‎

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import java.util.Scanner;
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import java.util.Random;
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public class NumberGuess {
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public static void main(String[] args) {
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Random random = new Random();
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int randomNumber = random.nextInt(100) + 1;
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findUserNumber(randomNumber);
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}
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public static void findUserNumber(int randomNumber) {
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System.out.println("Please Enter a number between 0 and 100 ");
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Scanner in = new Scanner(System.in);
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int userNumber = in.nextInt();
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System.out.printf("Your number is: %d\n", userNumber);
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checkDifference(userNumber, randomNumber);
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}
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public static void checkDifference(int userNumber, int randomNumber) {
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if(userNumber == randomNumber) {
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System.out.println("Your number is correct!");
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}
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else if(userNumber > randomNumber) {
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System.out.println("Your number is too high, guess again!");
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findUserNumber(randomNumber);
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} else {
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System.out.println("Your number is too low, guess again!");
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findUserNumber(randomNumber);
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}
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}
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}

‎Exercise Solutions/Chapter 5/OneStatement.java‎

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public class OneStatement {
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public static void main(String[] args){
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positiveSingleDigit(4);
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}
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public static void positiveSingleDigit(int num) {
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if(num > 0 && num < 10){
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System.out.println("Positive single digit number.");
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}
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}
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}

‎Exercise Solutions/Chapter 5/checkFermatExercise.java‎

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public class checkFermatExercise {
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public static void checkFermat(int a, int b, int c, int n) {
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int aPower = (int) Math.pow(a, n);
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int bPower = (int) Math.pow(b, n);
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int cPower = (int) Math.pow(c, n);
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if(n > 2 && aPower + bPower == cPower) {
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System.out.println("Holy smokes, Fermat was wrong!");
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} else {
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System.out.println("No, that doesn't work");
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}
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}
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public static void main(String[] args) {
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checkFermat(15, 2, 3, 4);
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}
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}
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‎ch04/PrintTime.java‎

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printTime(hour, minute);
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}
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}git
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}
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‎ch05/Countup.java‎

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public class Countup {
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public static void main(String[] args) {
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System.out.println("Countup beginning");
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countup(3);
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}
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public static void countup(int n) {
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if (n == 0) {
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System.out.println("Blastoff!");
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} else {
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countup(n - 1);
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System.out.println(n);
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}
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}
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}

‎npm-debug.log‎

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0 info it worked if it ends with ok
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1 verbose cli [ 'C:\\Program Files\\nodejs\\node.exe',
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1 verbose cli 'C:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js',
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1 verbose cli 'run-script',
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1 verbose cli 'debug' ]
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2 info using npm@3.10.10
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3 info using node@v6.11.2
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4 verbose stack Error: ENOENT: no such file or directory, open 'c:\Users\Chris\Documents\Think Java\ThinkJavaCode\package.json'
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4 verbose stack at Error (native)
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5 verbose cwd c:\Users\Chris\Documents\Think Java\ThinkJavaCode
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6 error Windows_NT 6.3.9600
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7 error argv "C:\\Program Files\\nodejs\\node.exe" "C:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "run-script" "debug"
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8 error node v6.11.2
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9 error npm v3.10.10
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10 error path c:\Users\Chris\Documents\Think Java\ThinkJavaCode\package.json
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11 error code ENOENT
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12 error errno -4058
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13 error syscall open
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14 error enoent ENOENT: no such file or directory, open 'c:\Users\Chris\Documents\Think Java\ThinkJavaCode\package.json'
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15 error enoent ENOENT: no such file or directory, open 'c:\Users\Chris\Documents\Think Java\ThinkJavaCode\package.json'
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15 error enoent This is most likely not a problem with npm itself
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15 error enoent and is related to npm not being able to find a file.
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16 verbose exit [ -4058, true ]

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