Inheritance/Single: Difference between revisions
→{{header|J}}
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=={{header|J}}==
Here is how this would normally be done:
<lang J>coclass 'Animal'</lang>
<lang J>coclass 'Dog'
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See http://www.jsoftware.com/help/jforc/modular_code.htm
That said, some operations in J -- including coinsert -- will create classes if they did not already exist. So the above may be simplified to:
<lang J>coinsert_Dog_'Animal'
coinsert_Cat_'Animal'
coinsert_Lab_'Dog'
coinsert_Collie_'Dog'</lang>
=={{header|Java}}==
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