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please i need this in java

please i need this in java

Database System Concepts
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
Problem 1PE
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please i need this in java 

No_of_Characters = 256
 
 
 
def Harspool(string, size):
 
Char = [-1]*No_of_Characters
 
for i inrange(size):
 
Char[ord(string[i])] = i
 
return Char
 
 
 
def search(text, pattern):
 
m = len(pattern)
 
n = len(text)
 
Char = Harspool(pattern, m)
 
s = 0
 
while(s <= n-m):
 
j = m-1
 
 
 
while j>=0and pattern [j]== text [s+j]:
 
j -= 1
 
 
 
if j<0:
 
print('your required pattern occured at position = {}'.format(s))
 
s += (m-Char[ord(text[s+m])] if s+m<n else 1)
 
else:
 
s += max(1, j-Char[ord(text[s+j])])
 
 
 
def main():
 
text = "KINGDOM_OF_SAUDIA_ARABIA_JAZAN_UNIVERSITYJAZANU"
 
pattern = 'RSITY'
 
search(text, pattern)
 
 
 
if __name__ == '__main__':
 
main()
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