Discussion :: Declarations and Access Control
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Which cause a compiler error?
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A.
int[ ] scores = {3, 5, 7};
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B.
int [ ][ ] scores = {2,7,6}, {9,3,45};
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C.
String cats[ ] = {"Fluffy", "Spot", "Zeus"};
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D.
boolean results[ ] = new boolean [] {true, false, true};
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E.
Integer results[ ] = {new Integer(3), new Integer(5), new Integer(8)};
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Answer : Option B
Explanation :
Option B generates a compiler error: <identifier> expected. The compiler thinks you are trying to create two arrays because there are two array initialisers to the right of the equals, whereas your intention was to create one 3 x 3 two-dimensional array.
To correct the problem and make option B compile you need to add an extra pair of curly brackets:
int [ ] [ ] scores = { {2,7,6}, {9,3,45} };
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