Given: And the commands: javac Counter.java java ea Counter What is the result?

Question

Exhibit

Options

• A2
• B3
• CNullPointException is thrown at runtime
• DAssertionError is thrown at runtime
• ECompilation fails

• B
  77% (17)
• C
  5% (1)
• D
  14% (3)
• E
  5% (1)

Explanation

The command line javac Counter.java Willcompile the code. The command line java ea Counter Willrun the cod with assertions enabled. Assertion is true because getCount(arr) = 3 and Length of array is 4 The following line: assert (getCount(arr) < arr.length); where the Boolean expression getCount(arr) < arr.length will evaluate to false, will ensure that anAssertionError is thrown at runtime. Note1: The javac command compiles Java source code into Java bytecodes. You then use the Java interpreter -the java command - to interprete the Java bytecodes. Note 2: The java tool launches a Java application. It does this by starting a Java runtime environment, loading aspecified class, and invoking that class's main method. The method declaration must look like the following:public static void main(String args[]) Paramater ea: -enableassertions[:<package name>"..." | :<class name> ] -ea[:<package name>"..." | :<class Enable assertions. Assertions are disabled by default. With no arguments, enableassertions or - ea enablesassertions. Note 3: An assertion is a statement in the JavaTM programming language that enables you to test your assumptionsabout your program. Each assertion contains a boolean expression that you believe will be true when the assertion executes. If it isnot true, the system will throw an error.

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