Consider the following code, which is a portion of SomeClass. The instance variable is initialized by the constructor. The method is supposed to multiply the value passed as a parameter by the instance variable and update the value of the instance variable.

However, there is a problem. Re-write this code, without renaming any variable names, to resolve the problem.

private int number;

public void multiplyNumbers(int number)
{
number = number * number;
System. out. println("The local variable is: " + number);
System. out. println("The instance variable is: " + number);
}

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Assume the existence of a bankaccount class. define a derived class, savingsaccount that contains two instance variables: the first a double, named interestrate, and the second an integer named interesttype. the value of the interesttype variable can be 1 for simple interest and 2 for compound interest. there is also a constructor that accepts two parameters: a double that is used to initialize the interestrate variable, and a string that you may assume will contain either "simple", or "compound", and which should be used to initialize the interesttype variable appropriately. there should also be a pair of functions getinterestrate and getinteresttype that return the values of the corresponding data members (as double and int respectively).

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