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Array declaration method: array type [] array name = new array type [array length];

Simultaneous initialization of array declaration: static mode: array type [] array name = {initial1, initial2}; or array type [] array name =new array type []{initial1, initial2};

Call the length property of the array to get the length of the array, which is the array name.length.

An array of length n is subscripted from 0 to n-1, and each element of the array can be accessed through the subscript.

Default values for elements of primitive arrays: byte, short, int, long = 0, double, float = 0.0, boolean = false.

The stack area of a one-dimensional array stores the memory address where the data is stored in the heap area, and the heap area stores the elements.

One-dimensional array assignment: array name [subscript] = data of the array type;

Common array tool classes:

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