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Java Math.subtractExact() method

The java.lang.Math.subtractExact() returns the difference of the arguments. It will throw an exception if the result overflows either int or long.

Syntax

Parameter

Return

  • If one of the arguments is Integer.MIN_VALUE or Long.MIN_VALUE, it will throw an ArithmeticException.

Example 1

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Output:

542

Example 2

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Output:

Exception in thread "main" java.lang.ArithmeticException: integer overflow
	at java.lang.Math.subtractExact(Math.java:829)
	at SubtractExactExample2.main(SubtractExactExample2.java:8)

Example 3

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Output:

Exception in thread "main" java.lang.ArithmeticException: long overflow
	at java.lang.Math.subtractExact(Math.java:849)
	at SubtractExactExample3.main(SubtractExactExample3.java:8)

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