Example Code Ch 12-4

question 24

Multiple Choice

Example Code Ch 12-4
The following recursive method recognizes whether a String parameter consists of a specific pattern and returns true if the String has that pattern, false otherwise.
public boolean patternRecognizer(String a)
{
if (a == null) return false;
else if (a.length() == 1 || (a.length() == 2
&& a.charAt(0) == a.charAt(1) ) )
return true;
else if )
return false;
else if )
return patternRecognizer) ;
else return false;
}
-Refer to Example Code Ch 12-4: If the method is called as patternRecognizer(x) where x = "aa", what will the result be?

• A) true
• B) false
• C) NullPointerException
• D) a run-time error
• E) infinite recursion

Understand the definitions and differences between nominal GDP and real GDP.

Learn how to calculate the GDP price index and understand its significance.

Comprehend the process of converting nominal GDP to real GDP to analyze economic conditions.

Determine the inflation rate using the consumer price index (CPI) and understand its impact on the economy.

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