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Editorial Team
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Asked: 2026-05-19T23:21:53+00:00

I have a Command Class as below public class DistrictCommand { private Integer districtId;

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I have a Command Class as below

public class DistrictCommand {
private Integer districtId;
@NotBlank
private String code;
@NotBlank
@RegExp("^[A-Za-z]*[A-Za-z]$")
private String name;
@NotBlank
private String stateName;
@NotNull
private Long pincode;

}

Here i want to validate the pincode,if i leave the pincode field empty,am getting message as specified in resource bundle, but if i want to validate it that, it should only accept numbers and no characters, what annotation should i use? and also if i enter only 1 number it should display as enter exact 6 digits or min 0f 4 digits.

@Min and @Max validate the range but not the number of digits entered? how to do this….Kindly help me ???pl …

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1 Answer

  1. Editorial Team

    @Min and @Max validate the range but
    not the number of digits entered? how
    to do this….Kindly help me ???pl …

    That’s because a pin code can have meaningful leading zeros. You’d better consider it as a string with a ^[0-9] regexp. It does not have to be a number really. It is a number in real life because it is entered through numeric keypads.

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