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3. The following is an example of __. Please select "A, B, C, D, or E" as correct option.
class Dog
{
int bark() { ... }
}
class Poodle extends Dog
{
double bark() { ... }
}
A. method overloading
B. method overriding
C. method overloading and overriding
D. class overloading
E. class overriding
2. Given the following code, where does the method overloading happen? Please select "A, B, C, D, or E" as correct option.
class Parent
{
public int show() { ... }
public int showIt(int x) { ... }
public int showMe() { ... }
public double showHow() { ... }
public void showAgain() { ... }
}
class Child extends Parent
{
public int show(int x) { ... }
public int showIt(int x) { ... }
public int showMe() { ... }
public int showHow() { ... }
public double showHow() { ... }
}
A. the superclass
B. the Parent class
C. the subclass
D. both the Parent and Child class
E. both the superclass and subclass
1. Given the following code, which method is an example of method overloading? Please select "A, B, C, D, or E" as correct option.
class Parent
{
public int show() { ... }
public int showIt(int x) { ... }
public int showMe() { ... }
public double showHow() { ... }
public void showAgain() { ... }
}
class Child extends Parent
{
public int show(int x) { ... }
public int showIt(int x) { ... }
public int showMe() { ... }
public int showHow() { ... }
public double showHow() { ... }
}
A. show()
B. showIt()
C. showMe()
D. showHow()
E. showAgain()
8. Develop a program by designing a class to represent a bank account. Include the
following members:
Data Members:
Name of the Depositor
Account Number
Type of account
Balance
Methods:
getdetails( ) ---To assign initial values
deposit( ) ---To deposit an amount
withdraw( ) ---To withdraw an amount after checking balance
display( )--- To display the name and balance.
Write a java program to calculate the income of sales person per week.
Itemcode
Item Name
Unit Price
Quantity
121
Shampoo
250.45
3
131
Soap
102.16
2
141
Talcum powder
98.23
3
145
Oxford Dictionary
500.24
4
6. Write a java application that inputs an integer containing only 0‘s and 1’s (i.e. a binary integer) and prints its decimal equivalent.
Write a Java application that ask the user to enter two integers, and prints their sum, product, difference and quotient (division).
[Use Scanner class present in java.util package and nextInt () method to read input].
Write a Java application that inputs from the user the radius of a circle as an integer and prints the circle's diameter, circumference and area using floating point value 3.1459 for pi. You may also use constant Math.PI for the value of pi. Class Math defined in package java.lang.
[Note: Use Scanner class present in java.util package and nextInt () method to red input].
3. Write a Java Application that inputs from the user temperature in Fahrenheit as an float and converts in to its equivalent Celsius temperature and print the result.(Formula:c=(f-32)*5/9)
[Note: Use Scanner class present in java.util package and nextFloat () method to red input].
Create a Spending application to help examine the spending patterns of a user. The application should prompt the user for the amount spent last month on food, clothing, entertainment, and rent, and then displays a table showing the percentage of expenditures in each category.
What operation does the Selection Sort use to move numbers from the unsorted section to the sorted section of the list
Write a function to sort array elements using Selection sort in Descending order .also Compute the best case and worst case time complexity of selection sort.
Write java code to print following diamond patterns. This program must take number of lines from user. If even number is entered than program must ask again user to enter odd number.
