Java Math addExact(long x, long y) method
Last Updated :
30 May, 2022
The java.lang.Math.addExact() is a built-in math function in java which returns the sum of its arguments. It throws an exception if the result overflows a long.As addExact(long x, long y) is static, so object creation is not required.
Syntax :
public static long addExact(long x, long y)
Parameter :
a : the first value
b : the second value
Return :
This method returns the sum of its arguments.
Exception :
It throws ArithmeticException - if the result overflows a long
Example :To show working of java.lang.Math.addExact() method.
java
import java.lang.Math;
class Gfg1 {
public static void main(String args[])
{
long x = 9999999999l;
long y = 1l;
System.out.println(Math.addExact(x, y));
}
}
|
Output:
10000000000
java
import java.lang.Math;
class Gfg2 {
public static void main(String args[])
{
long a = Long.MAX_VALUE;
long b = 2l;
System.out.println(Math.addExact(a, b));
}
}
|
Output:
Runtime Error :
Exception in thread "main" java.lang.ArithmeticException: long overflow
at java.lang.Math.addExact(Math.java:809)
at Gfg2.main(File.java:13)
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