To determine which declaration is correct, let's analyze each option:

1. **int long;**: This is incorrect because `long` cannot be declared like this; it is a data type modifier and should follow `int` like `long int`.

2. **char int;**: This is incorrect because `int` is not a valid type that can follow `char` in this manner. You cannot combine two different types in this way.

3. **int length;**: This is correct. `length` is a valid variable name, and `int` is a standard data type in programming.

4. **float double;**: This is incorrect. Similar to the first option, `double` cannot be declared directly after `float`. If you want to declare a `double`, it should be done separately or by declaring `double` as a type by itself.

### Final Answer
The correct declaration is `int length;`.

Question

To determine which declaration is correct, let's analyze each option:

1. **int long;**: This is incorrect because `long` cannot be declared like this; it is a data type modifier and should follow `int` like `long int`.

2. **char int;**: This is incorrect because `int` is not a valid type that can follow `char` in this manner. You cannot combine two different types in this way.

3. **int length;**: This is correct. `length` is a valid variable name, and `int` is a standard data type in programming.

4. **float double;**: This is incorrect. Similar to the first option, `double` cannot be declared directly after `float`. If you want to declare a `double`, it should be done separately or by declaring `double` as a type by itself.

### Final Answer
The correct declaration is `int length;`.

Knowee AI · Accepted Answer

To determine which declaration is correct, let's analyze each option:

1. **int long;**: This is incorrect because `long` cannot be declared like this; it is a data type modifier and should follow `int` like `long int`.

2. **char int;**: This is incorrect because `int` is not a valid type that can follow `char` in this manner. You cannot combine two different types in this way.

3. **int length;**: This is correct. `length` is a valid variable name, and `int` is a standard data type in programming.

4. **float double;**: This is incorrect. Similar to the first option, `double` cannot be declared directly after `float`. If you want to declare a `double`, it should be done separately or by declaring `double` as a type by itself.

### Final Answer
The correct declaration is `int length;`.

Which one of the following declarations is correct?Select one:int long;char int;int length;float double;

Question

Which one of the following declarations is correct?

Solution

Final Answer

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