Java Programming

                                                                                                                Practice Set: Unit 4 1. What are the uses of super keyword in Java? Explain with a suitable example. 2. What are the various uses of final keyword in java? An abstract method can not be declared final. Why? 3. Differentiate between Abstract class and Interface. What do you mean by Functional interface and Lambda Expression?  ...

                                                                 Mock Test-1 -----------------------------------------------------------------------------------------------------------------------------   1 (a) Write a program that reads 10 integers between 1 and 100 and counts the occurrences of each. Assume the input ends with 0.                                                         ...

1. Write a program to create a class Voter which contains attributes name, date_of_birth and voter_id and voter has a Voter_Card. Provide appropriate constructor to initialize all the attributes of the Voter but voter id must be assigned automatically only when the age of the voter is greater than or equal to 18 years. VoterCard is a nested class with attributes voter_id and Voter_name. Make sure that voter card is created only when user is a valid voter and if it is already created then must not be assigned the new voter id. 2. Write a program to define two interfaces UGC and AICTE both having a default method int getAdmission() to take the admission and an abstract method String payFee(). getAdmission() in UGC must ask the percentage in qualifying exam and if the percentage >= 60 then generate the registration number and return. getAdmission() is AICTE must ask the user to join the counseling after 5 days and display the date of counseling and return the counseling token numb...