How to output the contents of a two-dimensional array in Java

Print two-dimensional array

A two-dimensional array is equivalent to a special one-dimensional array

## The first type:

The second type:

The third type:

Print result:

Specialization of Java two-dimensional array

First type:

Print result:

Second type:

Analysis reason:

Third type:

Why the column number of the Java array can not be written, because we can manually specify it

## This is called an irregular two-dimensional array

Print results:

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