@validated Example

Order.java

public class Order {

    @NotBlank(groups = {ValidationCheckOrder.class})
    private String orderId;

    @Email(groups = {ValidationCheckEmail.class})
    @NotBlank(groups = {ValidationCheckEmail.class})
    private String email;

}

RestController.java

@PostMapping(value = "/order")
public String stepOne(@Validated(Order.ValidationCheckOrder.class) Order order) {...}

@PostMapping(value = "/email")
public String stepTwo(@Validated(Order.ValidationCheckEmail.class) Order order) {...}