write the definition of a static method named isSorted that receives a fully pop

Question

write the definition of a static method named isSorted that receives a fully populated array of references to object that implement the Comparable interface. It returns an int. The returned value will be = 0 if the object referenced in the array are not sorted. The value will be 1 if the object referenced in the array are in ascending order. On the other hand, the returned value will be 2 if the objects are in descending order. The method also returns 1 for the arrays length 0 or 1, and when all elements equal each other

Explanation / Answer

import java.util.Arrays;

public class dummy

{

public static void main(String[] args)

{

int a[] = {0,1,2};

int n=isSorted(a);

System.out.println("Value returned = "+ n);

}

private static int isSorted(int[] a)

{

int []temp = new int[a.length];

int k=-1;

if (a.length==0 || a.length==1) return 1;

for (int i=0;i<a.length;i++)

if (a[i]==a[0]) k=1;

else { k=0;break; }

if (k==1) return 1;

for (int i=0;i<a.length;i++) temp[i]=a[i];

Arrays.sort(temp);

for (int i=0;i<a.length;i++)

if (a[i]==temp[i]) k=1;

else { k=0;break; }

if (k==1) return 1;

for (int i=0;i<a.length;i++)

if (a[i]==temp[a.length-i-1]) k=1;

else { k=0;break; }

if (k==1) return 2;

return 0;

}

}

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