how to check the length of array in solidity

The solution for “how to check the length of array in solidity” can be found here. The following code will assist you in solving the problem.

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uint8[3] fixedList;

// fixedList.length => 3


uint8[] dynamicList;

uint8.push(1)

uint8.push(2)

// dynamicList.length => 2// Solidity program to demonstrate

// Push operation

pragma solidity ^0.5.0;  


// Creating a contract

contract Types {  


    // Defining the array

    uint[] data = [10, 20, 30, 40, 50]; 


    // Defining the function to push

    // values to the array

    function array_push(

    ) public returns(uint[] memory,uint256 length){  


        data.push(60);

        data.push(70);

        data.push(80);


        return (data,length);

    }

}// Solidity program to demonstrate

// Push operation

pragma solidity ^0.5.0;  


// Creating a contract

contract Types {  


    // Defining the array

    uint[] data = [10, 20, 30, 40, 50]; 


    // Defining the function to push

    // values to the array

    function array_push(

    ) public returns(uint[] memory){  


        data.push(60);

        data.push(70);

        data.push(80);


        return data;

    }

}
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