Answer:
public class PostAccount
{
public void withdraw(float savings)
{
if (savings >=0 )
{
IllegalArgumentException exception
= new IllegalArgumentException("Savings cannot be negative");
throw exception;
}
balance = savings - withdraw;
}
}
Explanation:
IllgalArgumentException is a type of NumberFormatException of runtime exception. Here in the program we have created an object of IllgalArgumentException class and after that we have thrown the error to show the condition if it does not satisfy the if condition.
Answer:
I say when u don't know the answer completly.
Answer:
myDoubles.add(75.6);
Explanation:
ArrayList<Double> myDoubles = new ArrayList<Double>();
myDoubles.add(10.8);
myDoubles.add(92.46);
myDoubles.add(75.6);
The above code creates a double ArrayList called myDoubles. We add 10.8 and 92.46 initially. After these numbers, 75.6 is added to the myDoubles using <em>add</em> method (You need to type the list name, ".", and the method name to add the number)
Answer:
See explaination for program code.
Explanation:
inputFileName = input("Input filename: ") outputFileName = input("Output filename: ") inputFile = open(inputFileName, "r") outputFile = open(outputFileName, "w") count = 1 for line in inputFile: newLine = str(count).rjust(4, " ") + "> " + line outputFile.write(newLine) print(newLine) count += 1
