The answer is false. A union can be nested in a structure . Actually union and structure can be nested in each other which means that nesting union in structure and nesting structure in union, both are possible.
Read moreCan you declare struct and union one inside another?
You can declare a structure or union type separately from the definition of variables of that type , as described in Structure and union type definition and Structure and union variable declarations; or you can define a structure or union data type and all variables that have that type in one statement, as described in …
Read moreWhere we can use structure and union in C?
You use a union when your “thing” can be one of many different things but only one at a time. You use a structure when your “thing” should be a group of other things.
Read moreCan a structure be nested in a union?
The answer is false. A union can be nested in a structure . Actually union and structure can be nested in each other which means that nesting union in structure and nesting structure in union, both are possible.
Read moreWhat is the advantage of union in C?
Advantages of union When you use union, only the last variable can be directly accessed . Union is used when you have to use the same memory location for two or more data members. It enables you to hold data of only one data member. Its allocated space is equal to maximum size of the data member.
Read moreWhat is the main use of union?
The primary use of a union is allowing access to a common location by different data types , for example hardware input/output access, bitfield and word sharing, or type punning. Unions can also provide low-level polymorphism.
Read moreWhat is union and enum in C++?
That is the main difference between structure union and enum in C. … Structure and union are two methods to store multiple variables of different types as a single variable . On the other hand, enum is a data type to declare a set of named constants. All these are user-defined data types.
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