Write a recursive definition of a valid Java identifier.
What will be an ideal response?
A Java-Identifier is a: Letter
or a: Letter followed by a Java-Identifier-Substring
A Java-Identifier-Substring is a: Letter
or a: Digit
or a: Letter followed by a Java-Identifier-Substring
or a: Digit followed by a Java-Identifier-Substring
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In the following function, what is passed to the first parameter?
void f1( int& value1, int value2); int x,y; f1(x,y); a. The value of x b. nothing, it is a void function c. the value of y d. the variable x (or its memory location)
An AVL tree is
A) a binary search tree in which the heights of the subtrees at each node differ by at most one B) a binary tree in which the left and right subtree have heights that differ by at most one C) a priority queue with a balance condition D) a binary tree in which each child is greater than its parent
Select the term below that describes a virtual wallet that can be used for mobile or online payments.
a. symmetric encryption b. e-wallet c. digital wallet d. merchant account
A Mac that can run Windows uses a program named ________, which gives the user a choice of which OS to start when the computer is booted
Fill in the blank(s) with correct word