The method isprime(int a) written in java language is used to judge whether an integer a is a prime number. If it is a prime number, the method returns 1, otherwise it returns 0.
int？ isPrime(int？ a)？ {
If (a<2)
Return? 0;
for(int？ I = 2； ? I & lta；; ? i++)？ {
If (a%2==0)
Break;
}
If (i & gt=a)
Return? 1;
Return? 0;
}