Restaurant menu2

src/exercises/AlicesWonderland.java

@@ -0,0 +1,34 @@
+package exercises;
+
+import java.util.Scanner;
+
+public class AlicesWonderland {
+    public static void main(String[] args) {
+        String alice = "Alice was beginning to get very tired of sitting by her sister on the bank, " +
+                "and of having nothing to do: once or twice she had peeped into the book her sister was reading, " +
+                "but it had no pictures or conversations in it, 'and what is the use of a book,' thought Alice " +
+                "'without pictures or conversation?'";
+
+        Scanner input = new Scanner(System.in);
+        System.out.println("Pick a word to find: ");
+        String searchTerm = input.nextLine();
+        input.close();
+
+    if(alice.toLowerCase().contains(searchTerm)) {
+        System.out.println("The string includes " + searchTerm + ".");
+        int index = alice.indexOf(searchTerm);
+        int length = searchTerm.length();
+        System.out.println("Your search term is at index " + index + ". Your search term is "  + length + " characters."  );
+        String newSentence = alice.replace(searchTerm, "");
+        System.out.println(newSentence);
+    } else {
+        System.out.println(searchTerm + " is not included in the string.");
+    }
+
+
+
+
+
+
+    }
+}

src/exercises/Array.java

@@ -0,0 +1,53 @@
+package exercises;
+
+import java.util.*;
+
+public class Array {
+    public static void main(String[] args) {
+        int[] intArray = {1, 1, 2, 3, 5, 8};
+
+        for (int i : intArray) {
+            if ( i%2 == 1 ) System.out.println(i);
+        }
+
+
+        String phrase = "I would not, could not, in a box. I would not, could not with a fox. " +
+                "I will not eat them in a house. I will not eat them with a mouse.";
+        String[] words = phrase.split(" ");
+        System.out.println(Arrays.toString(words));
+
+        String[] sentences = phrase.split("\\.");
+        System.out.println(Arrays.toString(sentences));
+
+    }
+
+
+    public static void main(ArrayList<String> arr) {
+
+        Scanner input = new Scanner(System.in);
+
+        String str = "Java convert String to ArrayList";
+
+        // split string by no space
+        String[] strSplit = str.split("");
+
+        // Now convert string into ArrayList
+        ArrayList<String> strList = new ArrayList<>(
+                Arrays.asList(strSplit));
+
+        // Now print the ArrayList
+        for (String s : strList) {
+            System.out.println(s);
+            System.out.println("Enter a word length: ");
+            int numChars = input.nextInt();
+            if (numChars == s.length()) {
+                System.out.println(s);
+            }
+        }
+
+    }
+
+    }
+
+
+

src/exercises/ArrayListPractice.java

@@ -0,0 +1,29 @@
+package exercises;
+
+import java.util.ArrayList;
+
+
+public class ArrayListPractice {
+    public static void main(String[] args) {
+
+        ArrayList<Integer> arr = new ArrayList<>();
+            arr.add(2);
+            arr.add(11);
+            arr.add(12);
+            arr.add(15);
+            arr.add(17);
+            arr.add(22);
+            arr.add(26);
+            arr.add(29);
+            arr.add(31);
+            arr.add(36);
+            int total = 0;
+            for (int integer : arr) {
+                if (integer % 2 == 0) {
+                    total += integer;
+                }
+            }
+        System.out.println(total);
+    }
+
+}

src/exercises/GasUsed.java

@@ -0,0 +1,24 @@
+package exercises;
+
+import java.util.Scanner;
+
+public class GasUsed {
+    public static void main(String[] args){
+        Scanner input = new Scanner(System.in);
+        System.out.println("How many miles did you drive? ");
+        Double miles = input.nextDouble();
+
+
+        Scanner input2 = new Scanner(System.in);
+        System.out.println("How many gallons of gas did you use? ");
+        Double gallons = input2.nextDouble();
+        input.close();
+        input2.close();
+
+        double gallonsPerMile = miles / gallons;
+        System.out.println("You are running on " + gallonsPerMile + " gpm.");
+
+
+    }
+
+}

src/exercises/HashMap.java

@@ -0,0 +1,42 @@
+package exercises;
+
+import java.util.Map;
+import java.util.Scanner;
+
+public class HashMap {
+
+    public static void main(String[] args) {
+
+        java.util.HashMap<String, Integer> classRoster = new java.util.HashMap<>();
+        Scanner input = new Scanner(System.in);
+        String newStudent;
+
+        System.out.println("Enter your students (or ENTER to finish):");
+
+        // Get student names and grades
+        do {
+
+            System.out.print("Student: ");
+            newStudent = input.nextLine();
+
+            if (!newStudent.equals("")) {
+                System.out.print("ID: ");
+                Integer newID = input.nextInt();
+                classRoster.put(newStudent, newID);
+
+                // Read in the newline before looping back
+                input.nextLine();
+            }
+
+        } while(!newStudent.equals(""));
+
+        // Print class roster
+        System.out.println("\nClass roster:");
+
+        for (Map.Entry<String, Integer> student : classRoster.entrySet()) {
+            System.out.println(student.getKey() + " (" + student.getValue() + ")");
+        }
+
+        System.out.println("Number of students in roster: " + classRoster.size());
+    }
+}

src/exercises/HelloWorld.java

@@ -0,0 +1,17 @@
+package exercises;
+
+import java.util.Scanner;
+
+
+public class HelloWorld {
+    public static void main(String[] args) {
+        Scanner input = new Scanner(System.in);
+        System.out.println("Hello, what is your name? ");
+
+        String name = input.nextLine();
+        System.out.println("Hello " + name);
+        input.close();
+
+    }
+
+}

src/exercises/NumericTypes.java

@@ -0,0 +1,24 @@
+package exercises;
+
+import java.util.Scanner;
+
+public class NumericTypes {
+    public static void main(String[] args) {
+
+    Scanner input = new Scanner(System.in);
+    System.out.println("Enter the length of the rectangle: ");
+    Integer length = input.nextInt();
+
+    Scanner input2 = new Scanner(System.in);
+    System.out.println("Enter the width of the rectangle: ");
+    Integer width = input2.nextInt();
+
+    int rectangleArea = length * width;
+    System.out.println("The area of the rectangle is " + rectangleArea);
+
+    input.close();
+    input2.close();
+
+    }
+
+}

src/org/launchcode/java/demos/Hello.java

@@ -4,7 +4,6 @@
  * From "Java Web Development"
  */
 public class Hello {
-    public static void main(String[] args) {
-        System.out.println("Hello, World");
+    public static void main(String[] args) { System.out.println("Hello, World");
     }
 }

src/org/launchcode/java/demos/lsn3classes1/Course.java

@@ -0,0 +1,11 @@
+package org.launchcode.java.demos.lsn3classes1;
+
+import java.util.ArrayList;
+
+public class Course {
+
+    private String subject;
+    private Teacher instructor;
+    private ArrayList<Student> students;
+
+}

src/org/launchcode/java/demos/lsn3classes1/SchoolPractice.java

@@ -1,7 +1,16 @@
 package org.launchcode.java.demos.lsn3classes1;
 
+import org.w3c.dom.ls.LSOutput;
+
 public class SchoolPractice {
     public static void main(String[] args) {
         // Instantiate your Student class for part 2 here!
+        Student nick = new Student("Nick", 12342, 1, 4.0);
+
+        System.out.println(nick.getName());
+        System.out.println(nick);
+
     }
+
+
 }

src/org/launchcode/java/demos/lsn3classes1/Student.java

@@ -10,4 +10,27 @@ public class Student {
     private int numberOfCredits = 0;
     private double gpa = 0.0;
 
+    public Student(String name, int studentId, int numberOfCredits, double gpa) {
+        this.name = name;
+        this.studentId = studentId;
+        this.numberOfCredits = numberOfCredits;
+        this.gpa = gpa;
+    }
+    public void setName(String name) {this.name = name;}
+
+    public void setStudentId(int studentId) {this.studentId = studentId;}
+
+//    public void setGpa(double gpa) {this.gpa = gpa;}
+
+//    public void setNumberOfCredits(int numberOfCredits) {this.numberOfCredits = numberOfCredits;}
+
+    public String getName() {return this.name;}
+
+    private int getStudentId() {return this.studentId;}
+
+    public int getNumberOfCredits() {return this.numberOfCredits;}
+
+    public double getGpa() {return this.gpa;}
+
+
 }

src/org/launchcode/java/demos/lsn3classes1/Teacher.java

@@ -0,0 +1,36 @@
+package org.launchcode.java.demos.lsn3classes1;
+
+public class Teacher {
+
+    private String firstName;
+    private String lastName;
+    private String subject;
+    private int yearsTeaching;
+
+    public Teacher(String firstName, String lastName, String subject, int yearsTeaching) {
+        this.firstName = firstName;
+        this.lastName = lastName;
+        this.subject = subject;
+        this.yearsTeaching = yearsTeaching;
+    }
+
+
+    public void setFirstName(String firstName) {this.firstName = firstName;}
+
+    public void setLastName(String lastName) {this.lastName = lastName;}
+
+    public void setSubject(String subject) {this.subject = subject;}
+
+    public void setYearsTeaching(int yearsTeaching) {this.yearsTeaching = yearsTeaching;}
+
+    public String getFirstName() {return firstName;}
+
+    public String getLastName() { return lastName;}
+
+    public String getSubject() { return subject;}
+
+    public int getYearsTeaching() {return yearsTeaching;}
+
+
+
+}

src/org/launchcode/java/demos/lsn4classes2/Course.java

@@ -1,6 +1,7 @@
 package org.launchcode.java.demos.lsn4classes2;
 
 import java.util.ArrayList;
+import java.util.Objects;
 
 public class Course {
     private String topic;
@@ -10,8 +11,32 @@ public class Course {
     // TODO: Add your custom 'toString' method here. Make sure it returns a well-formatted String rather than
     //  just the class fields.
 
+    public String toString() {
+        String courseReport = String.format("%s is taught by %T", this.topic, this.instructor);
+        return courseReport;
+    }
 
     // TODO: Add your custom 'equals' method here. Consider which fields should match in order to call two
     //  Course objects equal.
+    public boolean equals(Object toBeCompared) {
+        if(toBeCompared == this) {
+            return true;
+        }
 
+        if(toBeCompared == null) {
+            return false;
+        }
+
+        if(toBeCompared.getClass() != getClass()){
+            return false;
+        }
+
+        Course theCourse = (Course) toBeCompared;
+        return theCourse.getCoursetopic() == getCoursetopic();
+    }
+
+    public String getCoursetopic() {
+        return topic;
+    }
 }
+