Nathan Hall 5 years ago
parent
commit
f41d81743a

+ 10
- 0
src/main/java/rocks/zipcode/io/quiz4/collections/ComparableTreeSet.java View File

@@ -1,18 +1,28 @@
1 1
 package rocks.zipcode.io.quiz4.collections;
2 2
 
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+import java.util.Set;
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+import java.util.TreeSet;
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+
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 /**
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  * @author leon on 11/12/2018.
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  */
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 public class ComparableTreeSet<_> {
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+
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+
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     public ComparableTreeSet(_... arr) {
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+
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     }
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     public ComparableTreeSet() {
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+
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+        Set<_> set = new TreeSet<>();
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     }
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     public Integer compareTo(ComparableTreeSet<_> o) {
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+
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+
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         return null;
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     }
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 }

+ 32
- 3
src/main/java/rocks/zipcode/io/quiz4/collections/ZipCodeWilmington.java View File

@@ -2,22 +2,30 @@ package rocks.zipcode.io.quiz4.collections;
2 2
 
3 3
 import rocks.zipcode.io.quiz4.objectorientation.Student;
4 4
 
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+import java.util.ArrayList;
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+import java.util.HashMap;
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 import java.util.Map;
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 /**
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  * @author leon on 11/12/2018.
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  */
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 public class ZipCodeWilmington {
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-    private Student student;
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+    private ArrayList<Student> students;
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     private double numberOfHours;
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+    private Student student;
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     public void enroll(Student student) {
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-        this.student = student;
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+        students.add(student);
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     }
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     public Boolean isEnrolled(Student student) {
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-        return null;
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+        if (students.contains(student)){
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+            return true;
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+        }
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+
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+
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+        return false;
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     }
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     public void lecture(double numberOfHours) {
@@ -25,7 +33,28 @@ public class ZipCodeWilmington {
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     }
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     public Map<Student, Double> getStudyMap() {
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+        Map<Student, Double> map = new HashMap<>();
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+
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         return null;
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     }
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+
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+
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+
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+
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+    public Student getStudent() {
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+        return student;
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+    }
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+
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+    public void setStudent(Student student) {
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+        this.student = student;
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+    }
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+
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+    public double getNumberOfHours() {
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+        return numberOfHours;
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+    }
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+
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+    public void setNumberOfHours(double numberOfHours) {
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+        this.numberOfHours = numberOfHours;
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+    }
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 }

+ 16
- 4
src/main/java/rocks/zipcode/io/quiz4/fundamentals/PalindromeEvaluator.java View File

@@ -4,18 +4,30 @@ package rocks.zipcode.io.quiz4.fundamentals;
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 import com.sun.deploy.util.StringUtils;
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 import java.util.ArrayList;
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+import java.util.HashSet;
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 import java.util.List;
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+import java.util.Set;
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 /**
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  * @author leon on 18/12/2018.
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  */
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 public class PalindromeEvaluator {
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     public static String[] getAllPalindromes(String string) {
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-        char[] arr = string.toCharArray();
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-        for (char c : arr){
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-            System.out.println(c);
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+        StringBuilder builder = new StringBuilder();
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+        Set<String> set = new HashSet<>();
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+        for (int i = 0; i < (string.length()/2) + 1; i++) {
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+            if (string.charAt(string.length() - 1 - i) == string.charAt(i)){
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+                builder.append(string.charAt(i) + ",");
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+                builder.append(string.substring(i, string.length()-i) + ",");
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+            }
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+        }
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+
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+        String[] strSet = builder.toString().split(",");
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+        for (String s : strSet){
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+            set.add(s);
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         }
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-        return null;
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+
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+        return set.toArray(new String[0]);
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     }
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     public static Boolean isPalindrome(String string) {

+ 27
- 6
src/main/java/rocks/zipcode/io/quiz4/fundamentals/StringEvaluator.java View File

@@ -1,13 +1,14 @@
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 package rocks.zipcode.io.quiz4.fundamentals;
2 2
 
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-import java.util.ArrayList;
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-import java.util.List;
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+import java.util.*;
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 /**
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  * @author leon on 11/12/2018.
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  */
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 public class StringEvaluator {
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     public static String[] getAllPrefixes(String string) {
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+        Set<String> set = new HashSet<>();
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+
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         StringBuilder builder = new StringBuilder();
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         int index = 0;
@@ -15,16 +16,36 @@ public class StringEvaluator {
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             for (int i = 0; i < string.length(); i++) {
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                 builder.append(string.charAt(i) + ",");
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-                for (int j = 1; j < string.length()-1; j++) {
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-                    builder.append(string.substring(i) + ",");
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+                builder.append(string.substring(i) + ",");
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+                if (i < string.length()/2) {
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+                    builder.append(string.substring(i, string.length() - 1) + ",");
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                 }
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             }
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+            String[] arr = builder.toString().split(",");
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-        return builder.toString().split(",");
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+            for (String s : arr){
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+                set.add(s);
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+            }
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+
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+        return set.toArray(new String[0]);
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     }
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     public static String[] getCommonPrefixes(String string1, String string2) {
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-        return null;
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+            String[] str1 = getAllPrefixes(string1);
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+            String[] str2 = getAllPrefixes(string2);
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+            StringBuilder builder = new StringBuilder();
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+
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+
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+        for (int i = 0; i < str2.length; i++) {
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+            if (Arrays.asList(str1).contains(str2[i])){
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+                builder.append(str2[i] + ",");
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+            }
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+        }
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+
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+
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+
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+
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+        return builder.toString().split(",");
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     }
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     public static String getLargestCommonPrefix(String string1, String string2) {

+ 2
- 0
src/main/java/rocks/zipcode/io/quiz4/objectorientation/PalindromeObject.java View File

@@ -1,5 +1,7 @@
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 package rocks.zipcode.io.quiz4.objectorientation;
2 2
 
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+import com.sun.tools.javac.util.StringUtils;
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+
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 /**
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  * @author leon on 18/12/2018.
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  */

+ 5
- 0
src/main/java/rocks/zipcode/io/quiz4/objectorientation/StringAssembler.java View File

@@ -4,10 +4,15 @@ package rocks.zipcode.io.quiz4.objectorientation;
4 4
  * @author leon on 11/12/2018.
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  */
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 public class StringAssembler {
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+    private Character delimeter;
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+    private String str;
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+
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     public StringAssembler(Character delimeter) {
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+        this.delimeter = delimeter;
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     }
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     public StringAssembler append(String str) {
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+        this.str = str;
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         return null;
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     }
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