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How to Find Array Length in Java

Jonny
By Jonny
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How to Find Array Length in Java

In Java, the length of an array can be found using the .length property. This property returns the number of elements in the array. Here’s an example:

java
int[] numbers = {1, 2, 3, 4, 5};
int length = numbers.length; // Returns 5
System.out.println("Array length: " + length);

Note that length is a field, not a method, so it does not require parentheses. For multidimensional arrays, the .length property can be used on each dimension to find the length of individual arrays:

java
int[][] matrix = {{1, 2}, {3, 4}, {5, 6}};
System.out.println(matrix.length); // Returns 3 (rows)
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