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The program given below will test your understanding of Float primitive data types and functions in Java program.
Given below the sample code :
public class SuperClass {
public static void main(String[] args) {
System.out.println(stringConvert("0.3"));
System.out.println(stringConvert("0.3A"));
System.out.println(stringConvert(null));
}

public static boolean stringConvert(String s) {

float factor = 0;
try {
factor = Float.valueOf(s).floatValue();
return true;
} catch (NumberFormatException e) {
System.out.println("Exception in number formatting " + s);
factor = Float.NaN;
} finally {
System.out.println("Finally");
}
return false;
}

}
Find the output of the following code ?

A.	true Finally	B.	true Exception in number formatting 0.3A Finally
C.	true Finally False	D.	Prints : "Finally" and give error message.

Answer and Explanation

Answer:Prints : "Finally" and give error message.

Explanation:
Because the number "0.3A" is not a valid number and also error occurs in converting null to string.

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