ArslanKathia

// SPDX-License-Identifier: MIT

pragma solidity ^0.8;

contract ifElse{
    //we can't use if and else on contract level
    
    function func(uint _x) public pure returns(string memory){
        string memory val;
        if(_x>100){

ArslanKathia

// SPDX-License-Identifier: MIT

pragma solidity ^0.8;

contract ternaryOperator{
    
    function func(uint _x) public pure returns(string memory){
        string memory val;

ArslanKathia

// SPDX-License-Identifier: MIT

pragma solidity ^0.8;

contract loops{

    function loopss() public pure returns(uint){
        uint count = 0;

         for(uint i=0;i<10;i++){

ArslanKathia

//SPDX-License-Identifier: MIT

pragma solidity ^0.8;

contract fixedSizeArray{

        uint[5] public arr = [10,20,30,50,70];
        uint[10] arr2;
        uint[5] public arr3;

ArslanKathia

// SPDX-License-Identifier: MIT

pragma solidity ^0.8;

contract dynamicSizeArray{

        uint[] public dArray = [10,20,30,40,5,6,7,8,9];

        function func() public {
            //update

ArslanKathia

//SPDX-License-Identifier: MIT

pragma solidity ^0.8;

contract Bytes{
    
    
    //dynamic bytes
    bytes public temp;

ArslanKathia

//SPDX-License-Identifier: MIT

pragma solidity ^0.8;

contract ENUMS{

        enum Status{
            PENDING,
            PROCESSING,
            DELAYED,

ArslanKathia

//SPDX-License-Identifier: MIT
 pragma solidity ^0.8;

 contract Structure{
     //structure are reference type data type which save the address or reference.
     struct Employee{
         string name;
         uint age;
         uint salary;
         address account;

ArslanKathia

//SPDX-License-Identifier: MIT

pragma solidity ^0.8;

struct donate_dts{
    string name;
    uint age;
    string location;
    uint donation; 
}

ArslanKathia

//SPDX-License-Identifier: MIT
pragma solidity ^0.8;

contract A{
    
    uint private x=10;
    uint internal y=100;
    uint public z=200;