enhance hashCode and equals methods

- intelliJ generated methods

src/main/java/evironment/antGame/AntState.java

@@ -65,22 +65,22 @@ public class AntState implements State, Visualizable {
 
     @Override
     public boolean equals(Object obj){
-        if(obj instanceof AntState){
+        if (this == obj) return true;
-            AntState toCompare = (AntState) obj;
+        if (obj == null || getClass() != obj.getClass()) return false;
-            if(!this.pos.equals(toCompare.pos) || !this.hasFood == toCompare.hasFood){
-                return false;
-            }
-            for (int i = 0; i < toCompare.knownWorld.length; i++) {
-                for (int j = 0; j < toCompare.knownWorld[i].length; j++) {
-                    if(!this.knownWorld[i][j].equals(toCompare.knownWorld[i][j])){
-                        return false;
-                    }
 
-                }
+        AntState toCompare = (AntState) obj;
-            }
+        if(!this.pos.equals(toCompare.pos) || !this.hasFood == toCompare.hasFood){
-            return true;
+            return false;
         }
-        return  super.equals(obj);
+        for (int i = 0; i < toCompare.knownWorld.length; i++) {
+            for (int j = 0; j < toCompare.knownWorld[i].length; j++) {
+                if(!this.knownWorld[i][j].equals(toCompare.knownWorld[i][j])){
+                    return false;
+                }
+
+            }
+        }
+        return true;
     }
 
     @Override

src/main/java/evironment/jumpingDino/DinoState.java

@@ -5,6 +5,7 @@ import lombok.AllArgsConstructor;
 import lombok.Getter;
 
 import java.io.Serializable;
+import java.util.Objects;
 
 @AllArgsConstructor
 @Getter
@@ -13,20 +14,21 @@ public class DinoState implements State, Serializable {
 
     @Override
     public String toString() {
-        return Integer.toString(xDistanceToObstacle);
+        return "DinoState{" +
+                "xDistanceToObstacle=" + xDistanceToObstacle +
+                '}';
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        DinoState dinoState = (DinoState) o;
+        return xDistanceToObstacle == dinoState.xDistanceToObstacle;
     }
 
     @Override
     public int hashCode() {
-        return this.xDistanceToObstacle;
+        return Objects.hash(xDistanceToObstacle);
-    }
-
-    @Override
-    public boolean equals(Object obj) {
-        if(obj instanceof DinoState){
-            DinoState toCompare = (DinoState) obj;
-            return toCompare.getXDistanceToObstacle() == this.xDistanceToObstacle;
-        }
-        return  super.equals(obj);
     }
 }

src/main/java/evironment/jumpingDino/DinoStateWithSpeed.java

@@ -0,0 +1,36 @@
+package evironment.jumpingDino;
+
+import lombok.Getter;
+
+import java.util.Objects;
+
+@Getter
+public class DinoStateWithSpeed extends DinoState{
+    private int obstacleSpeed;
+
+    public DinoStateWithSpeed(int xDistanceToObstacle, int obstacleSpeed) {
+        super(xDistanceToObstacle);
+        this.obstacleSpeed = obstacleSpeed;
+    }
+
+    @Override
+    public String toString() {
+        return "DinoStateWithSpeed{" +
+                "obstacleSpeed=" + obstacleSpeed +
+                "} " + super.toString();
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (!(o instanceof DinoStateWithSpeed)) return false;
+        if (!super.equals(o)) return false;
+        DinoStateWithSpeed that = (DinoStateWithSpeed) o;
+        return getObstacleSpeed() == that.getObstacleSpeed();
+    }
+    
+    @Override
+    public int hashCode() {
+        return Objects.hash(super.hashCode(), getObstacleSpeed());
+    }
+}