GA LaunchCodeEducation#2

src/main/java/org/launchcode/techjobs/oo/CoreCompetency.java

@@ -1,55 +1,13 @@
 package org.launchcode.techjobs.oo;
 
-import java.util.Objects;
-
-public class CoreCompetency {
-
-    private int id;
-    private static int nextId = 1;
-    private String value;
-
-    public CoreCompetency() {
-        this.id = nextId;
-        nextId++;
-    }
+// CoreCompetency now extends JobField
+public class CoreCompetency extends JobField {
 
+    // Constructor that accepts a value and passes it to the superclass
     public CoreCompetency(String value) {
-        this();
-        this.value = value;
-    }
-
-    // Custom toString, equals, and hashCode methods:
-
-    @Override
-    public String toString() {
-        return value;
-    }
-
-    @Override
-    public boolean equals(Object o) {
-        if (this == o) return true;
-        if (!(o instanceof CoreCompetency)) return false;
-        CoreCompetency that = (CoreCompetency) o;
-        return id == that.id;
+        super(value);  // Call to the JobField constructor to initialize the 'value' field
     }
 
-    @Override
-    public int hashCode() {
-        return Objects.hash(id);
-    }
-
-    // TODO: Use the "Generate" tool to add a getter and setter for the 'value' field but
-    //  ONLY a getter for the 'id' field.
-
-    public String getValue() {
-        return value;
-    }
-
-    public int getId() {
-        return id;
-    }
-
-    public void setValue(String value) {
-        this.value = value;
-    }
+    // No need to redefine equals, hashCode, toString, getId, or getValue methods,
+    // since these are inherited from JobField
 }

src/main/java/org/launchcode/techjobs/oo/Employer.java

@@ -1,55 +1,12 @@
 package org.launchcode.techjobs.oo;
 
-import java.util.Objects;
-
-public class Employer {
-
-    private int id;
-    private static int nextId = 1;
-    private String value;
-
-    public Employer() {
-        id = nextId;
-        nextId++;
-    }
+public class Employer extends JobField {
 
+    // Constructor that accepts a value and passes it to the JobField superclass
     public Employer(String value) {
-        this();
-        this.value = value;
-    }
-
-    // Custom toString, equals, and hashCode methods:
-
-    @Override
-    public String toString() {
-        return value;
-    }
-
-    @Override
-    public boolean equals(Object o) {  // Two objects are equal if they have the same id.
-        if (this == o) return true;
-        if (!(o instanceof Employer)) return false;
-        Employer employer = (Employer) o;
-        return getId() == employer.getId();
-    }
-
-    @Override
-    public int hashCode() {
-        return Objects.hash(getId());
-    }
-
-    // Getters and Setters:
-
-    public int getId() {
-        return id;
-    }
-
-    public String getValue() {
-        return value;
-    }
-
-    public void setValue(String value) {
-        this.value = value;
+        super(value); // Call the JobField constructor to initialize 'value'
     }
 
-}
+    // No need to redefine equals, hashCode, toString, getId, or getValue methods,
+    // since these are inherited from JobField
+}

src/main/java/org/launchcode/techjobs/oo/Job.java

@@ -2,6 +2,7 @@
 
 import java.util.Objects;
 
+
 public class Job {
     // Field declarations
     private int id;

src/main/java/org/launchcode/techjobs/oo/JobField.java

@@ -1,4 +1,54 @@
 package org.launchcode.techjobs.oo;
 
-public class JobField {
-}
+import
+java.util.Objects;
+
+public abstract class JobField {
+    private int id;
+    private static int nextId = 1;
+    private String value;
+
+    // Constructor initializing only id
+    public JobField() {
+        this.id = nextId;
+        nextId++;
+    }
+
+    // Constructor initializing id and value
+    public JobField(String value) {
+        this();
+        this.value = value;
+    }
+
+    // Getters and setters for 'id' and 'value'
+    public int getId() {
+        return id;
+    }
+
+    public String getValue() {
+        return value;
+    }
+
+    public void setValue(String value) {
+        this.value = value;
+    }
+
+    // Custom equals and hashCode methods, if needed
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        JobField jobField = (JobField) o;
+        return id == jobField.id;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(id);
+    }
+
+    @Override
+    public String toString() {
+        return value;
+    }
+}

src/main/java/org/launchcode/techjobs/oo/Location.java

@@ -1,59 +1,16 @@
 package org.launchcode.techjobs.oo;
 
+// Import Objects utility for equals and hashCode
 import java.util.Objects;
 
-public class Location {
-
-    private int id;
-    private static int nextId = 1;
-    private String value;
-
-    public Location() {
-        id = nextId;
-        nextId++;
-    }
+// Location now extends JobField
+public class Location extends JobField {
 
+    // Constructor that accepts a value and passes it to the superclass
     public Location(String value) {
-        this(); // This calls the default constructor to initialize 'id'
-        this.value = value; // Assign the passed 'value' to the 'value' field
-    }
-
-    // TODO: Add a constructor that takes a string as a parameter and assigns it to the 'value' field. The
-    //  constructor should also call the empty constructor in order to initialize the 'id' field.
-
-
-    // Custom toString, equals, and hashCode methods:
-
-    @Override
-    public String toString() {
-        return value;
-    }
-
-    @Override
-    public boolean equals(Object o) {
-        if (this == o) return true;
-        if (!(o instanceof Location)) return false;
-        Location location = (Location) o;
-        return getId() == location.getId();
-    }
-
-    @Override
-    public int hashCode() {
-        return Objects.hash(getId());
-    }
-
-    // Getters and Setters:
-
-    public int getId() {
-        return id;
-    }
-
-    public String getValue() {
-        return value;
-    }
-
-    public void setValue(String value) {
-        this.value = value;
+        super(value);  // Call to the JobField constructor to initialize the 'value' field
     }
 
-}
+    // No need to redefine equals, hashCode, toString, getId, or getValue methods,
+    // since these are inherited from JobField
+}