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How to re-size an array with keeping the previous value in java?
Suppose i have a book class and bookArray class.in book class contains four fields name,id ,publisher and author.
in bookArray class:
book bookArray=new book[20];
i have to save those four fields in the array but after completed the array i should have re-size the array with contains the previous data. How??
I have pass those values from the main class..
Related threads:
You cannot resize arrays in java. If you really need to go with arrays you need to create a new array of the desired size and copy your data over. Instead I would use a list, try and lookup ArrayList in the javadoc, should be exactly what you want.
Rolf
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