BAEL-823 Iterating over enum values in Java (#1886)

* Example Code For Evaluation Article

This is an example code for the evaluation article on "Different Types of Bean Injection in Spring"

* Added unit tests

* Minor changes to application context

* BAEL-823 Iterating over enum values in Java

* Removed code committed for evaluation article

core-java/src/main/java/com/baeldung/java/enumiteration/DaysOfWeekEnum.java

@@ -0,0 +1,31 @@
+package com.baeldung.java.enumiteration;
+
+import java.util.stream.Stream;
+
+public enum DaysOfWeekEnum {
+	SUNDAY("off"), 
+	MONDAY("working"), 
+	TUESDAY("working"), 
+	WEDNESDAY("working"), 
+	THURSDAY("working"), 
+	FRIDAY("working"), 
+	SATURDAY("off");
+
+	private String typeOfDay;
+
+	DaysOfWeekEnum(String typeOfDay) {
+		this.typeOfDay = typeOfDay;
+	}
+	
+	public String getTypeOfDay() {
+		return typeOfDay;
+	}
+
+	public void setTypeOfDay(String typeOfDay) {
+		this.typeOfDay = typeOfDay;
+	}
+
+	public static Stream<DaysOfWeekEnum> stream() {
+		return Stream.of(DaysOfWeekEnum.values());
+	}
+}

core-java/src/main/java/com/baeldung/java/enumiteration/EnumIterationExamples.java

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+package com.baeldung.java.enumiteration;
+
+import java.util.EnumSet;
+
+public class EnumIterationExamples {
+	public static void main(String[] args) {
+		System.out.println("Enum iteration using forEach:");
+		EnumSet.allOf(DaysOfWeekEnum.class).forEach(day -> System.out.println(day));
+
+		System.out.println("Enum iteration using Stream:");
+		DaysOfWeekEnum.stream().filter(d -> d.getTypeOfDay().equals("off")).forEach(System.out::println);
+
+		System.out.println("Enum iteration using for loop:");
+		for (DaysOfWeekEnum day : DaysOfWeekEnum.values()) {
+			System.out.println(day);
+		}
+	}
+}