| Language: | Java |
| Difficulty Level: | Easy |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:30:00 |
Write a program which takes input as string and check if it is palindrome or not.If the string and the reverse of string are same then we say string is palindrome.
| Language: | Java |
| Difficulty Level: | Medium |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:30:00 |
A binary number is written as combination of 1's and 0's.
Binary number 100 indicates 4.
Write a program which accepts a number and prints whether it is binary or not.
For Ex:
| Language: | Java |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:30:00 |
Complete the following program which takes input as a number and converts it into string format.Initially arrays of string are given just use it for your logic.
Scenario will be:
| Language: | Java |
| Difficulty Level: | Easy |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:30:00 |
Write a program which converts all lowercase letter in a sentence to uppercase.
For. Ex:
1) Consider a sentence "welcome to Programr!"
its uppercase conversion is "WELCOME TO PROGRAMR!"
| Language: | Java |
| Difficulty Level: | Medium |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:30:00 |
Write a program which accepts two integers as a minimum and maximum limit and calculates total of how many 1s were their within the limit.
For ex:
1) if user input 1 11 then it should print 4.
| Language: | Java |
| Difficulty Level: | Medium |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:30:00 |
Write a program to takes two matrix(3*3) array as inputs and calculate the multiplication of both matrix.
Example :
1. If two matrix are :
Matrix 1st :
1 2 3
4 5 6
7 8 1
| Language: | Java |
| Difficulty Level: | Easy |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:30:00 |
A very simple challenge.
Write a program which accepts an Integer which is an Angle and prints the Quadrant number in which it is.
For Ex.
1) if user input 30 then it should print 1.
| Language: | Java |
| Difficulty Level: | Easy |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:30:00 |
Complete the following program:
two string arrays are given one is for names and other is for equivalent last names of the celebrities.
| Language: | Java |
| Difficulty Level: | Medium |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:30:00 |
Complete the program which takes date in number format and then makes its addition of the digits until the
last digit remains single and the print the number as lucky number . eg if input is 777
| Language: | Java |
| Difficulty Level: | Medium |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:30:00 |
Write a program which takes inputs of length and width of rectangle as integer and print the rectangle.
Example:
1.If width = 10 and height = 5 then the rectangle is :
**********
| Language: | Java |
| Difficulty Level: | Easy |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 1:00:00 |
Complete the following program of statement reverse. Program will take
string as a input and will print it in reverse form like given below:
example1:
Enter the Statement:
this is programr
| Language: | Java |
| Difficulty Level: | Easy |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:30:00 |
Write a program which calculates the sum of natural numbers which are divisible by 3 and 5 less than the number given as input.
for ex.
1) If user input 10 then output will be 23.
| Language: | Java |
| Difficulty Level: | Easy |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:15:00 |
Write a program which takes input as a string and sort all the alphabets in string.
Example :
1.If user gives input "helloword" then output string should be "dehllloorw".
| Language: | Java |
| Difficulty Level: | Easy |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:30:00 |
A very simple challenge for a beginner.
Write a program which validates whether the given input year is Leap or Not Leap.
For Ex:
1) if user inputs 2008 then program should print "Leap".
| Language: | Java |
| Difficulty Level: | Easy |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Pass rate: | 75 % |
| Time limit: | 0:30:00 |
Problem: You are known for your integrity in distributing pastries at parties. You are often called to parties to evenly distribute pastries to those present.
| Language: | Java |
| Difficulty Level: | Easy |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:15:00 |
Write a program to take input integer array and a single integer number and find out the occurrence of this number in the array.
Example :
| Language: | Java |
| Difficulty Level: | Easy |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:10:00 |
Write a program which takes input integer array which contains positive and negative numbers and find out the average of positive and
average of negative numbers.
Example :
| Language: | Java |
| Difficulty Level: | Easy |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:30:00 |
Write a program which accepts an integer as a decimal number and prints its octal form.
An Octal number can be expressed as a combination of 0 to 7 no.
For Ex :
1) If user input 81.
| Language: | Java |
| Difficulty Level: | Medium |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:30:00 |
Complete the following program which takes number as a input and prints the
Fibonacci series up to that range.
(Help: Fibonacci series
| Language: | Java |
| Difficulty Level: | Medium |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:30:00 |
Write a program to take integer value as input and print Pascal Triangle till input value.
Example :
1.If user gives 4 as input integer value then the pascal triangle should be :
___1_
__1_1_
| Language: | Java |
| Difficulty Level: | Easy |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Pass rate: | 75 % |
| Time limit: | 0:30:00 |
| Language: | Java |
| Difficulty Level: | Medium |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:30:00 |
Write a program to calculate Wind chill.
Accept temperature (in Fahrenheit) and the wind speed as input and calculate wind chil using given formula.
| Language: | Java |
| Difficulty Level: | Easy |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:15:00 |
Write a program which takes input Hours, Minutes, Seconds as integer and Calculates the total number of seconds.
Examples:
| Language: | Java |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:30:00 |
The below program takes 2 numbers as input.
Modify it to display the greater of the two numbers.
Note:
Write down your logic in between two commented blocks
| Language: | Java |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:30:00 |
The program below has 2 variables, number and number2.
Its output is:
"Multiplication of the 2 numbers is: 0".
| Language: | Java |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:30:00 |
Write a program which takes input as string and then implement the logic to reverse this string.
Example :
1.If string is "programr" then the output should be:
rmargorp
| Language: | Java |
| Difficulty Level: | Hard |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:30:00 |
An algorithm given by Lothar Collatz produces sequences of integers, and is described as follows:
Step 1: Choose an arbitrary positive integer A as the first item in the sequence.
| Language: | Java |
| Difficulty Level: | Easy |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:30:00 |
Write a program which takes two integers N and M and produces last samples of N of the integers from N-1 to N-M.
for Ex:
1) if user inputs N = 10 M = 4 output will be 9 8 7 6
| Language: | Java |
| Difficulty Level: | Medium |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:30:00 |
Sexy Pairs are nothing but those pairs which contains prime numbers with difference of 6.
Consider 5 is a prime no. and adding 6 into 5 makes 11 which is also a prime no.
| Language: | Java |
| Difficulty Level: | Medium |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:30:00 |
Complete the following program which accepts a list of input numbers and then accept the
| Language: | Java |
| Difficulty Level: | Easy |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:15:00 |
Write a program which takes array of 10 elements as input and reverse the elements in the array without using any other array.
Example :
| Language: | Java |
| Difficulty Level: | Medium |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:30:00 |
Amicable numbers are two different numbers, such that the sum of the proper divisors of each is equal to the other number.
Consider a number 220
| Language: | Java |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:30:00 |
Write a java program with the following things done.
1.) Complete the logic of the program to check whether the number is prime or not.
| Language: | Java |
| Difficulty Level: | Easy |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Pass rate: | 75 % |
| Time limit: | 0:30:00 |
Write the definition of a class named PanicException that supports the specification of a message.
| Language: | Java |
| Difficulty Level: | Easy |
| Questions: | 5 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Pass rate: | 75 % |
| Time limit: | 0:30:00 |
Complete the definition of a method isReverse whose two parameters are arrays of integers of equal size. The method returns true if and only if one array is the reverse of the other.
| Language: | Java |
| Difficulty Level: | Easy |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Pass rate: | 75 % |
| Time limit: | 0:30:00 |
| Language: | Java |
| Difficulty Level: | Easy |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Pass rate: | 75 % |
| Time limit: | 0:30:00 |
Problem: Your sister's family is over at your place for dinner. While playing with your niece, you decide to play a little game of adding animals.
| Language: | Java |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:30:00 |
Complete the following incomplete program or write down your own code for
matrix column addition where you have already given 10x10 matrix.
| Language: | Java |
| Difficulty Level: | Easy |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:30:00 |
A very simple challenge for beginners
Write a program which accepts a number and prints its factorial.
Factorial of a number can be expressed as product of numbers from 1 to that given number.
| Language: | Java |
| Difficulty Level: | Medium |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:30:00 |
Write a program which accepts elements for a matrix of size 3x3 i.e. 9 elements and show transpose matrix for it.
For ex:
1) If given elements are 1,2,3,4,5,6,7,8,9 then Its matrix will be
| Language: | Java |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:30:00 |
complete the following simple code of date sorting in which program will take two dates from the user and will print the dates in ascending order.
Scenario is given below
| Language: | Java |
| Difficulty Level: | Easy |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:30:00 |
Write a program which calculates the sum of all odd numbers upto a particular limit.
The limit will be an input to the program.
Examples:
| Language: | Java |
| Difficulty Level: | Easy |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:30:00 |
Write a program which takes input as odd integer and print a Diamond shape using * (Multiplication or Star)sign.
Example:1
If user gives input 5 then the output should be:
--*
-***
| Language: | Java |
| Questions: | 1 |
| Attempts allowed: | Unlimited |
| Available: | Always |
| Time limit: | 0:30:00 |
Complete the switch-case block in the below program.
Rules:
if entered_number is 1 then choice should be set to "one"
if entered_number is 2 then choice should be set to "two"
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