Programming Assignments

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Core Java Practical Assignments
Total -5 weeks

Week-1

Q.1 Write a Java program to find the factorial of a number.

Q.2 Write a java program which initialization earning of an employee. The program should 
calculate the income tax to be paid by the employee as per the criteria given below:

Slab rate              IT rate
Upto Rs. 50,000        Nil
Upto Rs. 60,000        10% on additional amount
Upto Rs. 1,50,000      20% on additional amount
Above Rs. 1,50,000     30% on additional amount
Hint: - Run: - java calculates 1,25,000
Result: - income tax is …………………………….

Q.3 Write a program to input n numbers on command line argument and calculate maximum of 
them.

Q.4 Write a program to print the sum and average of the even and odd numbers separately 
given on command line argument.

Q.5 Write a program to print the following pattern given n as argument:- [for input 3]

    1

    2          2

    3          3          3

Week-2

Q.1 Write a program to dynamically initialize memory for storing following values in the following 
    locations:-

    1          2          3          4

    2          4          6

    3          6

    4

Q.2 WAP to print all the prime numbers in an array of n elements by taking command line 
arguments.

Q.3 Design a class for a bank database the database should support the following operations.
    1. Deposit a certain amount into an account,
    2. Withdrawing a certain amount from an account,
    3. Return a value specifying the amount (i.e. balance) in an amount.

Q.4 Define a “Clock” class that does the following: -
    a. Accept hours, minutes and seconds.
    b. Check the validity numbers.
    c. Set the time to AM/PM mode.
  Use necessary constructors and methods to do the above task.

Q.5 Write a program to declare a stack and perform push and pop operation using stack class.

Week-3

Q.1 Write method of date class to support the following:-
    a.Method for validating that the integer-representing month is between 1 & 12 and checking 
      that the day part of the date objects is within the correct range for a month.
    b.Obtaining the next day from a given date.

Q.2 Create a person inherit two classes from it politician & sportsman provide constructors & 
     calculate salary & display functions.

Q.3 Create a abstract class employee, having its properties & abstract function for calculating 
     net salary and displaying the information.  Drive manager & clerk class from this abstract 
     class & implement the abstract method net salary and override the display method.

Q.4 Write a program that should print squares of natural numbers (1,2….10) the square should 
    not go beyond 100, & array size should not store more than 10 elements.  Generate exception
    if range overflow.

Q.5 WAP to create your own exception as NegativeSizeException whenever negative values are 
      put in an array.

Week-4

Q.1 Write a program  to create two threads, one prints “HELLO” and other prints “HI”.

Q.2 Write down a java program to print even and odd numbers series respectively from two 
    threads: t1 and t2 synchronizing on a shared object

    Let t1 print message “ping — >” and t2 print message “,—-pong”.

    Take as command line arguments, the following inputs to the program:
    Sleep Interval for thread t1
    Sleep Interval for thread t2
    Message per cycle
    No of cycles

Q.3 Using methods charAt() & length() of String class, write a program to print the frequency 
    of each character in a string.

    “Hello friend”

    Output should be
    -: 1
    d: 1
    e: 2
    f: 1
   (continued for all character in the string)

Q.4 Write a program to count numbers of words in command line argument.

Q.5 WAP in java to check the input characters for uppercase, lowercase, number of digits and 
    other characters.

Week-5

Q.1 Create an applet to find maximum of 3 numbers taking input from html file by parameter.

Q.2 Write a program to create an Applet having three buttons red,green,blue. On clicking on red 
button the background color should be changed to red,on clicking in blue button the color should 
be changed to blue and so on.

Q.3 Write a program to make connection to a database of Microsoft access, named employee. 
The table has field’s empno, empname, salary, destination, and department. Display all the 
records where department is computer & destination is System Analyst.

Q.4 WAP in java to check the input characters for uppercase, lowercase,number of digits and 
other characters. Write a program insert a record in employee database, the record is inputted 
by user as arguments.

Q.5 A database named student contains name and grade.WAP to access the database and display
the grade of the student who is selected(Display the names in the dropdown list).

Object passing and return based questions

Q.1 WAP in java to create Box class with parameterized constructor with an object arguement 
to initialize length, breadth and height also create a function volume which returns the volume 
of the box and print it in main method.

Q.2 Write  a program in java with class Employee and do the following operations on it
1) Create two constructor default and with Object as parameter to initialize class variables.
2) Create a function calculate which calculates the pf and allownces on the salary of employee 
and return the all values as an object 
3) Print all the employee aobject associated values returned from calculate functions

Q.3 Create a class Student with following operations
1) create parameterized constructor to initialize the objects 
2) create a function isEqual() to check whether the two objects are equal or not which returns
the boolean value and gets two objects
3) print the result in main method if objects are equals or not (take variables as your assumtion)

Loop Based Questions

Q.1 program to print only prime numbers between 1 and 100

Q2 Write a program to print first 20 prime number using java.

Q3 Java program to print the calculation as power of a number to other
e g. input 5 3 
output: 125

Q4 Java program to calculate the HCF of two given positive numbers.

Q5 write a program to take n numbers using command line argument and find the maximum
number and minium number among them

Q6 Java program to print the following patterns
a) 1
  222
 33333
4444444

b) 1
  212
 32123

Python

Java

C

C++

HTML/CSS

Java Script

PHP

SQL

C Programs

Click To read : Full Java tutorial in easy language with examples

Core Java Practical Assignments
Total -5 weeks

Week-1

Object passing and return based questions

Loop Based Questions

Video/ C Introduction

Core Java Practical AssignmentsTotal -5 weeks

Week-1

Object passing and return based questions

Loop Based Questions

Video/ C Introduction

Core Java Practical Assignments
Total -5 weeks