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welcome back friends this is 27 tutorial on Java fixate in this tutorial we are going to see how to validate fields so this is the multi samurai will remain this rename this first on validate fields save this I will run sand and I will show you know what is the need of validation of fields so whenever so these are the our users so whenever we add any user so there must be ID first name last name email username password date of birth so any out of any one of the field is blank or or one of you when we forget to enter any of the field I mean there must be compulsory or compulsory fields that is the need of validation or validate fields so here we can see this is the these are some fields when we create any user say use of eleven with the first name a last name say B and when we save this it add so it adds into the database so and the email field username password and date of birth date of birth fields are empty so we need to validate these fields whenever these fields are empty it must a
