length of 2d array c++
int rows = sizeof(arr) / sizeof(arr[0]); // returns rows
int col = sizeof(arr[0]) / sizeof(int); // returns collength of 2d array c++
int rows = sizeof(arr) / sizeof(arr[0]); // returns rows
int col = sizeof(arr[0]) / sizeof(int); // returns col2d array length in java
public static void main(String[] args) {
int[][] foo = new int[][] {
new int[] { 1, 2, 3 },
new int[] { 1, 2, 3, 4},
};
System.out.println(foo.length); //2 // gives count of rows
System.out.println(foo[0].length); //3 // gives count of columns for particular row
System.out.println(foo[1].length); //4
}Copyright © 2021 Codeinu
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