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Which one of the following does NOT describe anArrayList? Select...

Which one of the following does NOT describe an ArrayList?

Select one:

a. It can be used in a for-each loop.

b. It has a numbered sequence of elements.

c. It provides efficient random access to its elements.

d. Its elements can be a primitive type.

e. The number of its elements can change.


Which one of the following does NOT describe an array?

Select one:

a. It can be used in a for-each loop.

b. It has a numbered sequence of elements.

c. It provides efficient random access to its elements.

d. Its elements can be a primitive type.

e. The number of its elements can change.


Consider the following Java method. Which term best describes what this method computes?

static void doSomething(int[][] a) {

   int n = a.length;

   for (int j = 0; j < n; j++) {

       for (int i = j+1; i < n; i++) {

           int aij = a[i][j];

           a[i][j] = a[j][i];

           a[j][i] = aij;

       }

   }

}

Select one:

a. average

b. maximum

c. minimum

d. sum

e. transpose

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