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Text lesson

decrementExact()

Example

Decrease various numbers by one.

System.out.println(Math.decrementExact(12002));
System.out.println(Math.decrementExact(18));
System.out.println(Math.decrementExact(32));
System.out.println(Math.decrementExact(947));

Definition and Usage

The decrementExact() method subtracts 1 from a given integer and throws an exception if an overflow occurs, ensuring accurate results and preventing potential errors.

Syntax

One of the following:

public static int decrementExact(int x)

public static long decrementExact(long x)

Parameter Values

Parameter	Description
x	Needed: An integer to be decremented from.

Technical Details

Returns:	An int or long value representing an integer that is decreased by one.
Throws:	ArithmeticException occurs if the decrement operation leads to an overflow.
Java Version:	1.8+