Consider a Class That Uses the Following Variables to Implement

question 14

Multiple Choice

Consider a class that uses the following variables to implement an array-based stack:
String [ ] s = new String[100];
Int top = -1;// Note top == -1 indicates stack is empty
A method that implements a String peek() operation can be written as

• A) if (top == -1)
• Throw new RuntimeException("Empty Stack");
• Else
• Return s[top -1];
• B) if (top > -1.
• Return s[top];
• Else
• Throw new RuntimeException("Empty Stack".;
• C) top --;
• If (top == -1.
• Throw new RuntimeException("Empty Stack".;
• Else
• Return s[top];
• D) if (top == 0.
• Throw new RuntimeException("Empty Stack".;
• Else
• {
• Top --;
• Return s[top];
• }

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Definitions:

Interest Rate

The cost of borrowing money or the reward for saving, typically expressed as a percentage of the principal amount annually.

Equilibrium Rate

The price or level at which supply and demand in a particular market are equal.

Usury Law

Legislation designed to regulate interest rates by setting a maximum rate that can be charged on loans and credit.

Interest Rate

The cost of borrowing money, expressed as a percentage of the amount loaned, which lenders charge borrowers or the rate earned by depositors.