Computer Science Chp. 7 Test Questions

TRUE

A sorting algorithm is a technique for scanning through an array and rearranging its contents in some specific order.

FALSE

A sorting algorithm is used to locate a specific item in a larger collection of data.

FALSE

Java limits the number of dimensions that an array may have to 15.

TRUE

An ArrayList object automatically expands in size to accommodate the items stored in it.

FALSE

An array can hold multiple values of several different data types simultaneously.

FALSE

If a[] and b[] are two integer arrays, the expression a == b compares the array contents.

TRUE

Java does not limit the number of dimensions that an array may have.

TRUE

Objects in an array are accessed with subscripts, just like any other data type in an array.

TRUE

Once an array is created, its size cannot be changed.

TRUE

The String[] args parameter in the main method header allows the program to receive arguments from the operating system command-line.

TRUE

To compare the contents of two arrays, you must compare the elements of the two arrays.

TRUE

Any items typed on the command-line, separated by space, after the name of the class are considered to be one or more arguments that are to be passed into the main method.

TRUE

When an array of objects is declared, but not initialized, the array values are set to null.

TRUE

Declaring an array reference variable does not create an array.