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#format wiki #language en #pragma section-numbers off = Using Java Classes in Jython = DocumentationAndEducation <<TableOfContents>> ---- === Array === Posted to the Jython-users mailing list by Alfonso Reyes on October 14, 2007<<BR>> Here is an example of a 3D array. I am not fully satisfied with this implementation but to anybody starting with Jython and Java arrays will clarify lots of things. To do:<<BR>> - the class should automatically instantiate and return the array<<BR>> - a print method that can print the class or any arrays operating outside the class {{{#!python """ 3D array with class """ from java.lang.reflect import Array import java class multi: def __init__(self, i, j, k): self.m = i; self.n = j; self.p = k self.arr = Array.newInstance(java.lang.Double.TYPE, [self.m, self.n, self.p] ) def get(self): return self.arr def out(self): print "printing multidimensional array inside class" for i in range(0, self.m, 1): for j in range(0, self.n, 1): for k in range(0, self.p,1): print self.arr[i][j][k], def out(arr,m,n,p): # TO-DO: one method that can print a class-array and a bare array print "printing multidimensional array" for i in range(0, m, 1): for j in range(0, n, 1): for k in range(0, p,1): print arr[i][j][k], tArr = multi(4,3,5) uArr = tArr.get() print uArr tArr.out() uArr[0][0][0] = 7.77 uArr[3][2][4] = 7.77 out(uArr,4,3,5) # read what the array contains }}} |
Using Java Classes in Jython
Contents
Array
Posted to the Jython-users mailing list by Alfonso Reyes on October 14, 2007
Here is an example of a 3D array. I am not fully satisfied with this implementation but to anybody starting with Jython and Java arrays will clarify lots of things.
To do:
- the class should automatically instantiate and return the array
- a print method that can print the class or any arrays operating outside the class
1 """ 3D array with class
2
3 """
4 from java.lang.reflect import Array
5 import java
6
7 class multi:
8 def __init__(self, i, j, k):
9 self.m = i; self.n = j; self.p = k
10 self.arr = Array.newInstance(java.lang.Double.TYPE, [self.m, self.n, self.p] )
11
12 def get(self):
13 return self.arr
14
15 def out(self):
16 print "printing multidimensional array inside class"
17 for i in range(0, self.m, 1):
18 for j in range(0, self.n, 1):
19 for k in range(0, self.p,1):
20 print self.arr[i][j][k],
21 print
22 print
23 print
24
25
26 def out(arr,m,n,p):
27 # TO-DO: one method that can print a class-array and a bare array
28 print "printing multidimensional array"
29 for i in range(0, m, 1):
30 for j in range(0, n, 1):
31 for k in range(0, p,1):
32 print arr[i][j][k],
33 print
34 print
35 print
36
37
38 tArr = multi(4,3,5)
39 uArr = tArr.get()
40
41 print uArr
42 tArr.out()
43 uArr[0][0][0] = 7.77
44 uArr[3][2][4] = 7.77
45 out(uArr,4,3,5) # read what the array contains