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a. Write a java program to calculate area of a rectangle.
b. Write a java program to calculate the area of circle.
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a. Write a java program to check even or odd.
b. Write a java program to swap two numbers using third variable.
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a. write a java program to display even numbers between 1 to n.
b. Write a java program to display grade of the student by entering 5 subjects marks and calculating percentage of marks with the following conditions:
Percentage Grade >80 A+ >70 A >60 B+ >50 B >40 C >35 D otherwise F (Jan 19)
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a. Write a java program to check whether given number is +ve, -ve or zero. (Jan 23)
b. Write a java program to display biggest of three numbers using nested if else. (Feb 6)
- a. Write a java program to find factorial of a number. (Feb 6)
- a. Write a menu driven program to calculate addition, multiplication and division of 2 numbers and also find the remainder using java. (Feb 7)
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a. Suppose we are calculating weekly sale of a girl. If x is the number of products sold in a week her weekly salary is given by
{ 4x + 100 for x < 40 } Salary = { 300 for x = 40 } { 4.5x + 150 for x > 40 }
Write a java program. (Feb 9)
- a. Write a java program to count the even numbers and odd numbers within the range of 1 to n. (Feb 9)
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a. Write a java program to find square root, and logarithm using inbuilt Math class function. (Feb 9)
b. Write a java program to find
$x^y$ , and maximum of x and y using inbuilt Math class function. (Feb 9)
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a. Write a java program to display multiplication table for n numbers of rows and columns as follows: (Feb 13)
1 2 3 4 . . n 2 4 6 8 3 6 9 12 4 8 12 16 . . n
b. Write a java program to find power of
$2^n$ . (Feb 14)
- a. Write a program to find reverse of an integer number. (Feb 20)
- a. Write a java program by defining a class Rectangle with 2 methods getdata() and rectArea() and instantiate with an object to find area of a Rectangle. (Feb 21)
- a. Write a java program to define a class Rectangle to calculate area of a rectangle and use constructor. (Feb 23)
- a. Write a java program by defining a class Arithmetic_operator with methods add(), multiplication(), division() and subtraction() for two variables. (Feb 27)
- a. Write a java program with class Employee and its members emp_details() and salary(), name, emp_id, address, salary. Display the details and salary of three employee. (Feb 27)
- a. Define a class Room with method area() and another class Bedroom with extending the feature of Room class, along with a method volume(). Calculate area volume of a room by performing simple single Inheritance. (Feb 28)
- a. Write a java program to find biggest of two numbers by nesting of methods. (March 1)
- a. Write a java program to find the area of a square and rectangle by overloading constructor method. (March 1)
- a. Write a java program to show the use of methods overriding. By defining a class super with method display() and a subclass sub with method display(). (March 5)
- a. Write a java program to overload a method area for finding out area of a square, rectangle and circle. (March 8)
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a. Define a class Employee with member variables employee_no, name, address and a constructor method and another class Worker with data members no_of_hours and a constructor method. Perform required inheritance and display employee workers details (atleast 3 workers details). (March 12)
class Employee{ } class Worker extends Employee{ }
- a. Write a java program by defining an interface Area and two classes Rectangle and Circle to implement it for finding area of a Circle and a Rectangle. (March 12)
- a. Write a program to show how the concept of multiple inheritance can be illustrated in java using interface. (March 20)
- a. Write a program to show method overriding by defining a class Figure with method area(), constructor and a sub class Rectangle with another method area() for finding area of a rectangle. Override the method area() in Figure class. (April 2)
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a. Sort an array in descending order. (April 9)
b. Read an array of n elements and calculate average of the elements. (April 3)
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a. Write a java program to display two dimensional multiplication table as follows: (April 9)
1 2 3 4 5 6 7 8 9 10 2 4 6 8 10 12 14 16 18 20 3 6 9 12 15 18 21 24 27 30 4 8 12 16 20 24 28 32 36 40 5 10 15 20 25 30 35 40 45 50 6 12 18 24 30 36 42 48 54 60 7 14 21 28 35 42 49 56 63 70 8 16 24 32 40 48 56 64 72 80 9 18 27 36 45 54 63 72 81 90 10 20 30 40 50 60 70 80 90 100
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a. Create the java packages as follows (April 10)
pack1/ pack2/ | | |--- class A |--- class X |--- class B |--- class Y |--- pack3/ | | | |--- class E | |--- class D