Integer.MAX_VALUE == 2,147,483,647
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Question
What is the size of INT in java?
If i have an int counter that counts the number of rows retrieved from an SQL query... would it be ok if the counter is an "int" if the maximum number of rows is 500,000?
What is the size of 'int' in java?
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Answers
Yes, 'int' variables are represented on 4 bytes and should be suited for counting up more than 500,000 rows. The "int" type allows values from -2147483648 to 2147483647, inclusive.
Alternatively the "long" type is stored in 8 bytes and allows values from -9223372036854775808 to 9223372036854775807, inclusive.
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by: CPColinPosted on 2007-05-07 at 14:04:45ID: 19045981
In Java, an int is 32 bits and signed, so you'll be good up until around two billion (2,000,000,000) rows. If you hit that limit, you can use a long without too much trouble.