COMPUTER MCQ

When we declare an array variable without initialization, only a variable is created to hold the reference. Consider this statement.

In Java, what can we not specify at the same time while declaring an array?

How much size does it takes initially when an array is initialized while creating?

Which operator need not be used when an array is initialized while creating?

Which statement is used to declare a 1-D array with three laments to specify the initial values of data elements with 90, 70, 77’?

In Java, by using which of the following one are initial values of data elements separated?

By which of the following, a 1-D array can be initialized using comma separated values of data elements in Java?

What is an array, so that its elements are initialized?

Which of the following is an array?

Which of the following is a reference variable?

‘Which element does marks [4] specify if we declare an array marks [5]?

Which of the following specify the first element of an array?

If we declare marks [5] array than what will be the index value of marks array?

From where does index value start?

Whose position does index or subscript specify hi an array?

What do we use to refer an element of an array in the square bracket [] after array variable name?

How many bytes ‘mt1 data type requires to store integer values in contiguous locations in memory?

How many bytes, Integer of ‘mt1 data type uses for storage space?

How can an array object named ‘marks’ with the size for 5 elements be created?

Which of the following is a statement to declare an array?

What follows a pair of square brackets to declare a 1-D array?

Which of the following can be seen as a collection of one or more scalar variables?

How can an array object be created?

What process is to be done to create an array?

In Java, which is the object used to manage list of items?

What identifies each element associated with array variable?

To which of the following are all the elements stored in memory using contiguous storage ‘space?

In Java which kind of operations are arrays useful to perform on various elements of the similar type?

Which of the following is used to represent two dimensional data structure like table of rows and columns?

Which of the following is one dimensional data structure that can be used to store list of items like characters and numbers?

Which of the following information can be represented using arrays?

Which of the following are useful to represent vector, matrix and other multi-dimensional data?

Which of the following is a variable representing a collection of homogeneous type of elements?

Which of the following is a composite data type?

Which of the following data types can be used to store a collection of more than one data values?

What are called basic variables also?

Which kind of variable can store only one value at one time?

What type of value is returned when we use get method of Calendar class with constant DAY OF_WEEK as an argument?

If ‘str’ is the object of String class and its content is “Thank GOD”, then what is the value of str. ienght0?

What does ‘length’ refer to for an object of String class?

When an array sale [5] [12] is declared without specifying initial values, what is the initial value of sales[O][O]?

What will expression sales. Length return for an array sales[5][12] ?

What is the size of second dimension in an array sales[5] [12]?

Which of the following refer to the starting index value in arrays?

What is the meaning of length for array variable ?

………….. method return the number of characters lying in the string object.

If the string and parameter str(object) are same then ……….. value is returned.

If two strings are same the using …………… operator different locations are assigned in the memory.

Method getTime() returns ……………. data type.

1-D array of ………….. can be considered as a string.