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how do i do validation in java i want only the user to insert the letters x and X if not to display a message........actually i dont know how to do a validation in java can some one help
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i have a feild where the user must insert only integer values not chars..if they insert a char an error messege should appear..how can i do this and what is the code to do it
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hi, can anybody write a simple java program for the following pleasee.. coz i have loads of projects in my skool and i have to submit this within 2 days..coz i have to design an interface for this too "there are 20 houses 15 small houses and 5 big houses.if …
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