Page History

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• For byte, from –128 to 127, inclusive
• For short, from –32,768 to 32,767, inclusive
• For int, from –2,147,483,648 to 2,147,483,647, inclusive
• For long, from –9,223,372,036,854,775,808 to 9,223,372,036,854,775,807, inclusive
• For char, from \u0000 to \uffff inclusive, that is, from 0 to 65,535

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A related pitfall is the use of the Math.abs() method that takes a parameter of type int and returns its absolute value. Because of the asymmetry between the two's complement representation of negative and positive integer values (Integer.MAX_VALUE is 2147483647 2,147,483,647 and Integer.MIN_VALUE is -2,147,483,648, which means there is one more negative integer than positive integers), there is no equivalent positive value (+2,147,483,648) for Integer.MIN_VALUE. ConsequenlyConsequently, the Math.abs() returns Integer.MIN_VALUE when the value of its argument is Integer.MIN_VALUE; this may surprise many programmers.

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