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Forum Post0 AnswersATM Currency Dispenser
Design and implement the ATM cash dispenser. User will request for some amount and you have to return the currency note and its count.

Example1: You have the following notes in ATM

2000-1, 500-5,200-4 and 100 - 4
Input - 1700
Output: 500-3,200-1

1: You have the following notes in ATM

2000-1, 500-1,200-4 and 100 - 0
Input - 600
Output:200-3
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30) Does constructor return any value?
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29) How many types of constructors are used in Java?
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28) Give an example of Pointers use in Java class.
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27) What is the advantage of using inheritance?
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26) How can we create copy of a Java object?
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25) There are two types of classes named classA and classB. Both the classes contain in the same package. Can classA private member can be accessed by an object of classB?
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24) Can a class have two methods with the same name?
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23) How have the objects of a class been created if no constructor is defined in the class?
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22) What is the reason for using Break in each case of a Switch statement?
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21) How can we implement any code before the main method?
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20) What are the two methods of executing multi-threading in Java?
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19) In java why strings are known as Immutable?
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18) What is the difference between Vector and an array?
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17) Can string be a data type in Java?
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16) Is it possible for us to override static methods of a class?
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15) When is the class constructor invoked?
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14) Does main() method in java return any data?
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13) What are known as Java Packages? What is the significance of packages?
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12) What is known as the base class in Java from which all the classes are derived?
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11) What is known as a ternary operator? Provide an example.
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10) How will you generate random numbers in Java?
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9) Explain the difference between float and double variables in Java?
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8) What is known as a final keyword in Java? Give an example
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7) What is known as infinite loop? Explain how infinite loop is declared?
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6) Explain the difference between break and continue statement?
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5) What is a singleton class? Give an example
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4) What is the purpose of static variables and static methods?
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3) What is known as data encapsulation and explain it’s significance?
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2) What is the difference between an Inner class and a Subclass?
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