Add models.

src/main/java/space/kklochko/jdbc_hospital_example/models/Department.java

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+package space.kklochko.jdbc_hospital_example.models;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+import java.util.ArrayList;
+import java.util.UUID;
+
+@AllArgsConstructor
+@Data
+public class Department {
+    UUID id;
+    String name;
+    String location;
+    String phone;
+}
+

src/main/java/space/kklochko/jdbc_hospital_example/models/Indicator.java

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+package space.kklochko.jdbc_hospital_example.models;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+import java.sql.Timestamp;
+import java.util.UUID;
+
+@AllArgsConstructor
+@Data
+public class Indicator {
+    UUID id;
+    String type;
+    String values;
+    Timestamp timestamp;
+
+    public Indicator(String type, String values, Timestamp timestamp){
+        setType(type);
+        setValues(values);
+        setTimestamp(timestamp);
+    }
+}
+

src/main/java/space/kklochko/jdbc_hospital_example/models/Patient.java

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+package space.kklochko.jdbc_hospital_example.models;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+import java.util.ArrayList;
+import java.util.UUID;
+
+@AllArgsConstructor
+@Data
+public class Patient {
+    UUID id;
+    String name;
+    int age;
+    String phone;
+}
+