// SPDX-License-Identifier: MIT

pragma solidity ^0.8.13; contract Primitives { bool public boo = true; /* uint stands for unsigned integer, meaning non negative integers different sizes are available uint8 ranges from 0 to 2 ** 8 - 1 uint16 ranges from 0 to 2 ** 16 - 1 ... uint256 ranges from 0 to 2 ** 256 - 1 */ uint8 public u8 = 1; uint public u256 = 456; uint public u = 123; // uint is an alias for uint256 /* Negative numbers are allowed for int types. Like uint, different ranges are available from int8 to int256 int256 ranges from -2 ** 255 to 2 ** 255 - 1 int128 ranges from -2 ** 127 to 2 ** 127 - 1 */ int8 public i8 = -1; int public i256 = 456; int public i = -123; // int is same as int256 // minimum and maximum of int int public minInt = type(int).min; int public maxInt = type(int).max; address public addr = 0xCA35b7d915458EF540aDe6068dFe2F44E8fa733c; /* In Solidity, the data type byte represent a sequence of bytes. Solidity presents two type of bytes types : - fixed-sized byte arrays - dynamically-sized byte arrays. The term bytes in Solidity represents a dynamic array of bytes. It’s a shorthand for byte[] . */ bytes1 a = 0xb5; // [10110101] bytes1 b = 0x56; // [01010110] // Default values // Unassigned variables have a default value bool public defaultBoo; // false uint public defaultUint; // 0 int public defaultInt; // 0 address public defaultAddr; // 0x0000000000000000000000000000000000000000 }

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.13; contract Primitives { bool public boo = true; /* uint stands for unsigned integer, meaning non negative integers different sizes are available uint8 ranges from 0 to 2 ** 8 - 1 uint16 ranges from 0 to 2 ** 16 - 1 ... uint256 ranges from 0 to 2 ** 256 - 1 */ uint8 public u8 = 1; uint public u256 = 456; uint public u = 123; // uint is an alias for uint256 /* Negative numbers are allowed for int types. Like uint, different ranges are available from int8 to int256 int256 ranges from -2 ** 255 to 2 ** 255 - 1 int128 ranges from -2 ** 127 to 2 ** 127 - 1 */ int8 public i8 = -1; int public i256 = 456; int public i = -123; // int is same as int256 // minimum and maximum of int int public minInt = type(int).min; int public maxInt = type(int).max; address public addr = 0xCA35b7d915458EF540aDe6068dFe2F44E8fa733c; /* In Solidity, the data type byte represent a sequence of bytes. Solidity presents two type of bytes types : - fixed-sized byte arrays - dynamically-sized byte arrays. The term bytes in Solidity represents a dynamic array of bytes. It’s a shorthand for byte[] . */ bytes1 a = 0xb5; // [10110101] bytes1 b = 0x56; // [01010110] // Default values // Unassigned variables have a default value bool public defaultBoo; // false uint public defaultUint; // 0 int public defaultInt; // 0 address public defaultAddr; // 0x0000000000000000000000000000000000000000 }