Multidimensional array in java [duplicate]

Question

int [][] a = {{1,2,},{3,4}};
int [][] a = {{1,2},{3,4}};

i have two Multidimensional arrays in java. I want to know what's the exact difference in both of them.just see there is a comma after 2 in first one.

Evgeniy Dorofeev · Accepted Answer · 2015-03-02 08:03:26Z

2

JLS 10.6. Array Initializers: A trailing comma may appear after the last expression in an array initializer and is ignored.

answered Mar 2, 2015 at 8:03

Evgeniy Dorofeev

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Andy Turner · Accepted Answer · 2015-03-02 08:01:58Z

1

There is no difference. The extra comma might be useful if you are formatting your elements one per line, so that every element appears the same.

answered Mar 2, 2015 at 8:01

Andy Turner

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