BAEL-974 - Cleverson Santos | cleverson.ssantos1008@gmail.com (#2213)

* Different Types of Bean Injection in Spring code

* Dataclasses in Kotlin

* Revert "Different Types of Bean Injection in Spring code"

This reverts commit 4b747726b93a9f6bf76d6518792fc77e0d5c2fc9.

kotlin/src/main/java/com/baeldung/dataclass/Movie.java

@@ -0,0 +1,88 @@
+package com.baeldung.dataclass;
+
+public class Movie {
+
+    private String name;
+    private String studio;
+    private float rating;
+    
+    public Movie(String name, String studio, float rating) {
+        this.name = name;
+        this.studio = studio;
+        this.rating = rating;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getStudio() {
+        return studio;
+    }
+
+    public void setStudio(String studio) {
+        this.studio = studio;
+    }
+
+    public float getRating() {
+        return rating;
+    }
+
+    public void setRating(float rating) {
+        this.rating = rating;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        
+        result = prime * result + ((name == null) ? 0 : name.hashCode());
+        result = prime * result + Float.floatToIntBits(rating);
+        result = prime * result + ((studio == null) ? 0 : studio.hashCode());
+        
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        
+        if (obj == null)
+            return false;
+        
+        if (getClass() != obj.getClass())
+            return false;
+        
+        Movie other = (Movie) obj;
+        
+        if (name == null) {            
+            if (other.name != null)
+                return false;
+            
+        } else if (!name.equals(other.name))
+            return false;
+        
+        if (Float.floatToIntBits(rating) != Float.floatToIntBits(other.rating))
+            return false;
+        
+        if (studio == null) {
+            if (other.studio != null)
+                return false;
+            
+        } else if (!studio.equals(other.studio))
+            return false;
+        
+        return true;
+    }
+
+    @Override
+    public String toString() {
+        return "Movie [name=" + name + ", studio=" + studio + ", rating=" + rating + "]";
+    }
+}

kotlin/src/main/kotlin/com/baeldung/dataclass/Movie.kt

@@ -0,0 +1,3 @@
+package com.baeldung.dataclass
+
+data class Movie(val name: String, val studio: String, var rating: Float)

kotlin/src/main/kotlin/com/baeldung/dataclass/Sandbox.kt

@@ -0,0 +1,26 @@
+package com.baeldung.dataclass
+
+fun main(args: Array<String>) {
+
+    val movie = Movie("Whiplash", "Sony Pictures", 8.5F)
+
+    println(movie.name) //Whiplash
+    println(movie.studio) //Sony Pictures
+    println(movie.rating) //8.5
+
+    movie.rating = 9F
+
+    println(movie.toString()) //Movie(name=Whiplash, studio=Sony Pictures, rating=9.0)
+
+    val betterRating = movie.copy(rating = 9.5F)
+    println(betterRating.toString()) //Movie(name=Whiplash, studio=Sony Pictures, rating=9.5)
+
+    movie.component1() //name
+    movie.component2() //studio
+    movie.component3() //rating
+
+    val(name, studio, rating) = movie
+
+    fun getMovieInfo() = movie
+    val(namef, studiof, ratingf) = getMovieInfo()
+}