True or False: int array[]; is a valid array declaration.What values are contain

Question

True or False: int array[]; is a valid array declaration.What values are contained in ar if it's defined: int ar[10] = { 2, 4, 6, 8, 10 };

1. All of the values are garbage
2. 2, 4, 6, 8, 10, and the remaining values are garbage
3. 2, 4, 6, 8, 10, and the remaining values 0
4. 2, 4, 6, 8, 10, 2, 4, 6, 8, 10

Write a function called printAr that will display the values in an array of integers. The function takes two arguments: an array of integers and an integer that represents the number of values to display. The function returns nothing.Complete the following sentence: the unsubscripted name of an array is _____.Suppose that an integer array has been declared to hold 40 elements. At the time that it was declared, the first 25 elements were also initialized. What value will the remaining elements of the array be initialized to?

1. 0
2. 25
3. 40
4. they will not be initialized

The strlen() function returns

1. the number of chars in an array of char, including the null
2. the number of chars in an array of char not including the null
3. the declared number of chars an array can hold

Which of the following is true of the arguments to strcat(s1, s2);? More than one answer may be correct so make sure to select all of the answers that apply.

1. both s1 and s2 must be valid strings
2. only s2 must be a valid string
3. s1 must have room to contain the result
4. only s2 must be a valid string and s1 must have room to contain the result

(2 points)The strcmp function returns ____. More than one answer may be correct so make sure to select all of the answers that apply.

1. 0 if the two strings are equal
2. a negative value if the first argument is alphabetically less than the second
3. a positive value if the first argument is alphabetically greater than the second
4. nothing

Which of the following is a statement that will copy the string str1 into string str2?

1. strcpy( str1, str2 );
2. strcpy( str2, str1 );
3. strcpy( str1 = str2 );
4. strcpy( str2 = str1 );

True or False: strcat(string1, string2); places a null terminated copy of string2 into string1.If a character string will need room to hold a maximum of 80 characters, how should it be defined so that it will be treated as a VALID string?

1. char ar[80];
2. char ar[79];
3. char ar[81];
4. char ar[];

Explanation / Answer

Write a function called printAr that will display the values in an array of integers. The function takes two arguments: an array of integers and an integer that represents the number of values to display. The function returns nothing.
void printAr(int arr[],int length){ int i; for(i=0;i<length;i++){ printf("%d ",arr[i]); } return; }


Complete the following sentence: the unsubscripted name of an array is __an pointer to the first element of the array___


Suppose that an integer array has been declared to hold 40 elements. At the time that it was declared, the first 25 elements were also initialized. What value will the remaining elements of the array be initialized to?

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