The following recursive method get Number Equal searches the array x of n integers for occurrences of the integer val. It returns the number of integers in x that are equal to val. For example, if x contains the 9 integers 1, 2, 4, 4, 5, 6, 7, 8, and 9, then getNumberEqual(x, 9, 4) returns the value 2 because 4 occurs twice in x. public static int getNumberEqual(int x[ ], int n, int val) { if (n < 0) { return 0; } else { if (x{n-1] == val) { return getNumber Equal(x, n-1, val) + 1; else { return getNumber Equal(x, n-l, val); } // end if } // end if > // end getNumber Equal Demonstrate that this method is recursive by listing the criteria of a recursive

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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The following recursive method get Number Equal searches the array x of 'n integers
for occurrences of the integer val. It returns the number of integers in x that are
equal to val. For example, if x contains the 9 integers 1, 2, 4, 4, 5, 6, 7, 8, and 9,
then getNumberEqual(x, 9, 4) returns the value 2 because 4 occurs twice in x.
public static int getNumberEqual(int x[], int n, int val) {
if (n< 0) (
return 0;
}
else {
if (x[n-1) == val) {
return getNumberEqual(x, n-1, val) +1;
}
else {
return getNumber Equal(x, n-1, val);
} // end if
) // end if
} // end get Number Equal
Demonstrate that this method is recursive by listing the criteria of a recursive
solution and stating how the method meets each criterion.
Transcribed Image Text:The following recursive method get Number Equal searches the array x of 'n integers for occurrences of the integer val. It returns the number of integers in x that are equal to val. For example, if x contains the 9 integers 1, 2, 4, 4, 5, 6, 7, 8, and 9, then getNumberEqual(x, 9, 4) returns the value 2 because 4 occurs twice in x. public static int getNumberEqual(int x[], int n, int val) { if (n< 0) ( return 0; } else { if (x[n-1) == val) { return getNumberEqual(x, n-1, val) +1; } else { return getNumber Equal(x, n-1, val); } // end if ) // end if } // end get Number Equal Demonstrate that this method is recursive by listing the criteria of a recursive solution and stating how the method meets each criterion.
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