@Embeddable
public class Address {
    private String street;
    private String city;
    private String zipCode;
}

@Embeddable
public class Address {
    private String street;
    private String city;
    private String zipCode;
}

@Entity
public class User {
    @Id
    private Long id;

    @Embedded
    private Address homeAddress;

    @Embedded
    @AttributeOverrides({
        @AttributeOverride(name = "street", column = @Column(name = "work_street")),
        @AttributeOverride(name = "city", column = @Column(name = "work_city"))
    })
    private Address workAddress;
}

public class Task100325 {
    public static void print(int a) {
        System.out.println("int: " + a);
    }

    public static void print(double a) {
        System.out.println("double: " + a);
    }
    public static void print(float a) {
        System.out.println("float: " + a);
    }

    public static void main(String[] args) {
        print(10);
        print(10L);
    }
}

@Entity
public class User {
    @Id
    private Long id;

    @Embedded
    private Address address;
}

@Inheritance(strategy = InheritanceType.SINGLE_TABLE)
@DiscriminatorColumn(name = "type", discriminatorType = DiscriminatorType.STRING)
public class Vehicle { ... }

@Inheritance(strategy = InheritanceType.JOINED)
public class Vehicle { ... }

@Inheritance(strategy = InheritanceType.TABLE_PER_CLASS)
public class Vehicle { ... }

@Entity
@Inheritance(strategy = InheritanceType.SINGLE_TABLE)
@DiscriminatorColumn(name = "type", discriminatorType = DiscriminatorType.STRING)
public class Vehicle {
    @Id
    private Long id;
    private String manufacturer;
}

@Entity
@DiscriminatorValue("CAR")
public class Car extends Vehicle {
    private int numberOfSeats;
}

@Entity
@DiscriminatorValue("TRUCK")
public class Truck extends Vehicle {
    private double payloadCapacity;
}

@Entity
@Inheritance(strategy = InheritanceType.JOINED)
public class Vehicle {
    @Id
    private Long id;
    private String manufacturer;
}

@Entity
public class Car extends Vehicle {
    private int numberOfSeats;
}

@Entity
public class Truck extends Vehicle {
    private double payloadCapacity;
}
Стратегия TABLE_PER_CLASS
java
Copy
@Entity
@Inheritance(strategy = InheritanceType.TABLE_PER_CLASS)
public class Vehicle {
    @Id
    private Long id;
    private String manufacturer;
}

@Entity
public class Car extends Vehicle {
    private int numberOfSeats;
}

@Entity
public class Truck extends Vehicle {
    private double payloadCapacity;
}

public class Task110325 {
    public static void main(String[] args) {
        String str = "Hello, Java!";
        String result = str.substring(str.indexOf("J"), str.length() - 2).toUpperCase();
        System.out.println(result);
    }
}

@Entity
@Inheritance(strategy = InheritanceType.SINGLE_TABLE)
@DiscriminatorColumn(name = "vehicle_type", discriminatorType = DiscriminatorType.STRING, length = 20)
public class Vehicle {
    @Id
    private Long id;
    private String manufacturer;
}

@Entity
@DiscriminatorValue("CAR")
public class Car extends Vehicle {
    private int numberOfSeats;
}

@Entity
@DiscriminatorValue("TRUCK")
public class Truck extends Vehicle {
    private double payloadCapacity;
}

@Entity
@Inheritance(strategy = InheritanceType.SINGLE_TABLE)
@DiscriminatorColumn(name = "vehicle_type", discriminatorType = DiscriminatorType.STRING, length = 20)
public class Vehicle {
    @Id
    private Long id;
    private String manufacturer;
}

@Entity
@DiscriminatorValue("CAR")
public class Car extends Vehicle {
    private int numberOfSeats;
}

@Entity
@DiscriminatorValue("TRUCK")
public class Truck extends Vehicle {
    private double payloadCapacity;
}