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I am having a block - I am writing a program that will receive a series of numbers entered in by the user. I need to test to make sure that the number is not negative but also that I truly have a number (not a letter or special character). The first part is easy if (numbEntered[x] <0)...

I am trying to write a program where the user enters in the average and actual rainfall amounts for 12 months. Then the system will display the month, actual, average and the difference in a table layout - Month Actual Average Difference Jan 5 3 2 Feb...

I have a static method I wrote: public static Money add(Money money1, Money money2) { int newDollars = money1.getDollars() + money2.getDollars(); int newCents = money1.getCents() + money2.getCents(); if (newCents >= 100) { newDollars++; newCents -= 100; } return new Money(newDollars...

I am trying to write a get method: public void getGasConsumed() { int gals = miles/fuelEffiency; return gals; } when I try to compile it I get the following error: cannot return a value from method whose result type is void return gals; I am not understanding the problem - any help...

I have a program that I need to convert the existing methods to get and set methods but I am struggling with how to do this. I have one set in place. Can anyone help in changing some of the others to get or set as appropriate? Any help is appreciated. TJ Here is the code: import...

I am trying to right a program that calculates MPG of a car and then resets the odometer. I set up a class for the odometer and then am trying to call in the different methods into main. Here is the odometer class: import java.util.Scanner; public class Odometer { public int milesDriven...

I am trying to right a program that calculates MPG of a car and then resets the odometer. I set up a class for the odometer and then am trying to call in the different methods into main. Here is the odometer class: import java.util.Scanner; public class Odometer { public int milesDriven...

I am writing a program that based on what you enter will determine how much your change will be - it then displays the total of each coin. The problem is my math - the dimes are not computing right so it gives back more nickles then necessary. Can someone set me straight here. I think other...

I am new to Java so I am trying to write some simple applications that I will need to enhance later for a new project I need to implement. The program I am writing should be simple. It removes one word from a statement and changes it with another. I thought a simple getChars would do it but...