// SPDX-License-Identifier: MIT
pragma solidity ^0.8.10;
contract Array { // Several ways to initialize an array uint[] public arr; uint[] public arr2 = [1, 2, 3]; // Fixed sized array, all elements initialize to 0 uint[10] public myFixedSizeArr; function get(uint i) public view returns (uint) { return arr[i]; } // Solidity can return the entire array. // But this function should be avoided for // arrays that can grow indefinitely in length. function getArr() public view returns (uint[] memory) { return arr; } function push(uint i) public { // Append to array // This will increase the array length by 1. arr.push(i); } function pop() public { // Remove last element from array // This will decrease the array length by 1 arr.pop(); } function getLength() public view returns (uint) { return arr.length; } function remove(uint index) public { // Delete does not change the array length. // It resets the value at index to it's default value, // in this case 0 delete arr[index]; } function examples() external { // create array in memory, only fixed size can be created uint[] memory a = new uint[](5); }
}