code to calculate the number of days between two dates

2 Answers  

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code to set the main window's size

0 Answers  

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program to show a progress bar

0 Answers   Infosys,

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how to determine which Mouse Button was pressed

1 Answers  

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could you please tell me for what javac, javax,swing,awt.*; are using. what is the meaning and differences. and also there are 4 access modifiers in java. public, private, protected, default. what is the meaning of these 4 access modifiers and difference. public is the access modifier void means return data type disp() means function name what mean by static

1 Answers   Infosys,

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how to convert between arrays and strings

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how to create a Custom Scrollbar

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determine which key was pressed and its type

1 Answers  

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write a function to validate a given date

1 Answers  

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code to images to rollover

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i am making a purchase sheet in html ,it contain names of product(by selecting checkboxes),quantity(textbox) and price(checbox), by using java script i am restricting the user to prevent them to enter the wrong data ,so i made the servlet were i am only able to prevent them to enter the page in empty field , so my doubt is how do you prevent them how to enter non numerical data in quantity field

2 Answers   Infosys,

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validation code / function to allow only Letters in a text box

1 Answers  

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