BAEL-4936: Completed artcile Abstract class with default method vs interface

2021-05-16 09:32:20 +05:30
parent 44fd4f91b4
commit 3f1778907a
5 changed files with 97 additions and 0 deletions
@@ -0,0 +1,13 @@
+package com.baeldung.interfaceVsAbstractClass;
+
+public class ChidlCircleInterfaceImpl implements CircleInterface {
+    private String color;
+
+    public String getColor() {
+        return color;
+    }
+
+    public void setColor(String color) {
+        this.color = color;
+    }
+}
@@ -0,0 +1,5 @@
+package com.baeldung.interfaceVsAbstractClass;
+
+public class ChildCircleClass extends CircleClass {
+
+}
@@ -0,0 +1,27 @@
+package com.baeldung.interfaceVsAbstractClass;
+
+import java.util.Arrays;
+import java.util.List;
+
+public abstract class CircleClass {
+
+    private String color;
+    private List<String> allowedColors = Arrays.asList("RED", "GREEN", "BLUE");
+
+    public boolean isValid() {
+        if (allowedColors.contains(getColor())) {
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+    public String getColor() {
+        return color;
+    }
+
+    public void setColor(String color) {
+        this.color = color;
+    }
+
+}
@@ -0,0 +1,16 @@
+package com.baeldung.interfaceVsAbstractClass;
+
+import java.util.Arrays;
+import java.util.List;
+
+public interface CircleInterface {
+    List<String> allowedColors = Arrays.asList("RED", "GREEN", "BLUE");
+
+    public default boolean isValid(String color) {
+        if (allowedColors.contains(color)) {
+            return true;
+        } else {
+            return false;
+        }
+    }
+}