Difference between Structure And Union in C Tamil - linto.in

<h1>Difference between Structure and Union </h1> <table class="lin-table"> <thead> <tr> <th>Structure</th> <th>Union</th> </tr> </thead> <tbody> <tr> <td> Keyword : struct </td> <td> Keyword : union </td> </tr> <tr> <td> Each member in a structure occupies and uses its own memory space </td> <td> All the members of a union use the same memory space </td> </tr> <tr> <td> More memory space is required since each member is stored in a separate memory locations </td> <td> Less memory space is required since all member is stored in the same memory locations </td> </tr> <tr> <td> All the members of a structure can be initialized </td> <td> Only the first member of an union can be initialized </td> </tr> <tr> <td> The variables that make up the structure are called Structure variable </td> <td> The variables that make up the union are called union variable </td> </tr> <tr> <td> Individual structure elements are referred through the use of .(dot or membership) operator </td> <td> Individual union elements are referred through the use of .(dot or membership ) operator </td> </tr> <tr> <td> Structure is a user-defined data type. </td> <td> Union is a user-defined data type. </td> </tr> <tr> <td> Possible to have one structure within another structure </td> <td> Unions within union is possible </td> </tr> </tbody> </table>

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