CodeCrucks

CodeCrucks

Programs List: Java

Java Programs: Basic

  1. Write Java program to print “Hello World!”
  2. Write Java program to add two numbers
  3. Write Java program to find average of two numbers
  4. Write Java program to find absolute value of number
  5. Write Java program to print number, its square and cube
  6. Write Java program to demonstrate use of formatting (%0.2d, %0.4f)
  7. Write Java program to demonstrate use of data types (int, float, char, double)
  8. Write Java program to print size of all data types
  9. Write Java program to print ASCII value of entered character
  10. Write Java program to read input from keyboard
  11. Write Java program to convert case of entered character

Java Programs: Operators

  1. Write Java program to demonstrate various arithmetic operation (+, -, *, /, %, ^)
  2. Write Java program to demonstrate comparison operator (<, >, <=, >=, ==, !=)
  3. Write Java program to demonstrate logical operator (&&, ||, ! )
  4. Write Java program to demonstrate increment / decrement operator (++, –)
  5. Write Java program to demonstrate compound operator (+=, -=, *=, /=)
  6. Write Java program to demonstrate bit wise operator (&, |, <<, >>, ~)
  7. Write Java program to demonstrate ternary operator (?)
  8. Write Java program to find quotient and remainder of number
  9. Write Java program to swap two numbers
  10. Write Java program to Add two different time

Java Programs: Area and Volume

  1. Write Java Program to Find Diameter, Circumference and Area of Circle
  2. Write Java Program to Find Area of Triangle
  3. Write Java Program to Find Area of an Isosceles Triangle
  4. Write Java Program to Find Area of an Equilateral Triangle
  5. Write Java Program to Find Area and Perimeter of a Square
  6. Write Java Program to Find Area and Perimeter of Rectangle
  7. Write Java Program to Find Area and Perimeter of a Rhombus
  8. Write Java Program to Compute Volume and Surface Area of a Cube
  9. Write Java Program to Compute Volume and Surface Area of a Cuboid
  10. Write Java Program to Compute Volume and Surface Area of a Cone
  11. Write Java Program to Compute Volume and Surface Area of Sphere
  12. Write Java Program to Compute Volume and Surface Area of a Cylinder

Java Programs: Equations

  1. Write Java Program to Find Roots of Quadratic Equation
  2. Write Java Program to Compute Simple Interest
  3. Write Java Program to Compute Gross Salary From Basic, DA and HRA
  4. Write Java Program to Convert From Celsius to Fahrenheit
  5. Write Java Program to Convert From Fahrenheit to Celsius
  6. Write Java Program to Convert Minutes to Hours
  7. Write Java Program to Convert Days to Year, Month, Week and day

Java Programs: If-Else

  1. Write Java Program to Check if Given Number is Positive
  2. Write Java Program to Check if Given Character is Vowel or Consonant
  3. Write Java Program to Check Given Year is Leap Year or Not
  4. Write Java Program to Check if Given Number is Odd or Even
  5. Write Java Program to Find Maximum Number From Two Numbers
  6. Write Java Program to Scan Age of Candidate and Print if He/She is Eligible for Driving Licence or Not
  7. Write Java Program to Print Gender (‘F’, ‘f’: Female,…)
  8. Write Java Program to Check Type of Triangle
  9. Write Java Program to Check if Triangle is Valid or Not using Angles
  10. Write Java Program to Check if Triangle is Valid or Not using Sides
  11. Write Java Program to Find Largest of Three Numbers.
  12. Write Java Program to Print the Grade Based on Percentage
  13. Write Java Program to Check if Given Number is Integer or Float

Java Programs: Switch-Case

  1. Write Java Program to Check if Given Number is Odd or Even using Switch Case
  2. Write Java Program to Print Day Based on Given Number using Switch Case
  3. Write Java Program to Print Gender using Switch Case (‘F’, ‘f’: Female,…) 
  4. Write Java Program to Implement Calculator  Using Switch Case

Java Programs: For Loop

  1. Write Java Program to Print “Hello world” 10 Times using For loop
  2. Write Java Program to Print First n Numbers using For loop
  3. Write Java Program to Print First n Numbers in Reverse Order using For loop
  4. Write Java Program to print odd numbers between 1 to n using For loop
  5. Write Java Program to print first n odd numbers using For loop
  6. Write Java Program to Add All Numbers up To n  using For loop (1 + 2 + 3 + …. + n)
  7. Write Java Program to display a-z characters using For loop
  8. Write Java Program to print multiplication table of 5 using For loop (5 x 1 = 5)
  9. Write Java Program to print multiplication table of n up to m using For loop
  10. Write Java Program to Find Factorial of n using For loop
  11. Write Java Program to Print Fibonacci Series using For loop
  12. Write Java Program to print nPr using For loop
  13. Write Java Program to print nCr using For loop
  14. Write Java Program to count number of digits in given number using For loop
  15. Write Java Program to Add Digits of Number using For loop
  16. Write Java Program to print First Digit of Number using For loop
  17. Write Java Program to print First and Last Digit of a Number using For loop
  18. Write Java Program to Swap First and Last Digit of a Number using For loop
  19. Write Java Program to Reverse The Number using For loop
  20. Write Java Program to Print Numbers Between 1 and n Divisible By m using For loop
  21. Write Java Program to Print All Divisor of Number using For loop
  22. Write Java Program to Check if Given Number is Prime or Not using For loop
  23. Write Java Program to Print First n Prime Numbers using For loop
  24. Write Java Program to Print All Prime Numbers Between 1 and n using For loop
  25. Write Java Program to Print All Prime Numbers Between n and m using For loop
  26. Write Java Program to Check If Given Number is Palindrome or Not using For loop
  27. Write Java Program to Print First n Palindrome Numbers using For loop
  28. Write Java Program to Print All Palindrome Numbers Between 1 and n using For loop
  29. Write Java Program to Print All Palindrome Numbers Between n and m using For loop
  30. Write Java Program to Check if Give Number is Armstrong or Not using For loop
  31. Write Java Program to Print First n Armstrong Numbers using For loop
  32. Write Java Program to print all Armstrong numbers Between 1 and n using For loop
  33. Write Java Program to print all Armstrong numbers Between n and m using For loop
  34. Write Java Program to Check the Number is a Krishnamurthy Number using For loop
  35. Write Java Program to Check if Given Number is Perfect Square or Not using For loop
  36. Write Java Program to Check Number is a Prime, Armstrong, or Perfect Square using For loop
  37. Write Java Program to Print if Numbers Are Same or Not by Comparing Individual Digits. using For loop
  38. Write Java Program to Find GCD Two Numbers using For loop
  39. Write Java Program to Find LCM of Two Numbers using For loop
  40. Write Java Program to Find All Factors of Number using For loop
  41. Write Java Program to Find Prime Factors of Number using For loop

Java Programs: While Loop

  1. Write Java Program to Print “Hello world” 10 Times using While loop
  2. Write Java Program to Print First n Numbers using While loop
  3. Write Java Program to Print First n Numbers in Reverse Order using While loop
  4. Write Java Program to print odd numbers between 1 to n using While loop
  5. Write Java Program to print first n odd numbers using While loop
  6. Write Java Program to Add All Numbers up To n  using While loop (1 + 2 + 3 + …. + n)
  7. Write Java Program to display a-z characters using While loop
  8. Write Java Program to print multiplication table of 5 using While loop (5 x 1 = 5)
  9. Write Java Program to print multiplication table of n up to m using While loop
  10. Write Java Program to Find Factorial of n using While loop
  11. Write Java Program to Print Fibonacci Series using While loop
  12. Write Java Program to print nPr using While loop
  13. Write Java Program to print nCr using While loop
  14. Write Java Program to count number of digits in given number using While loop
  15. Write Java Program to Add Digits of Number using While loop
  16. Write Java Program to print First Digit of Number using While loop
  17. Write Java Program to print First and Last Digit of a Number using While loop
  18. Write Java Program to Swap First and Last Digit of a Number using While loop
  19. Write Java Program to Reverse The Number using While loop
  20. Write Java Program to Print Numbers Between 1 and n Divisible By m using While loop
  21. Write Java Program to Print All Divisor of Number using While loop
  22. Write Java Program to Check if Given Number is Prime or Not using While loop
  23. Write Java Program to Print First n Prime Numbers using While loop
  24. Write Java Program to Print All Prime Numbers Between 1 and n using While loop
  25. Write Java Program to Print All Prime Numbers Between n and m using While loop
  26. Write Java Program to Check If Given Number is Palindrome or Not using While loop
  27. Write Java Program to Print First n Palindrome Numbers using While loop
  28. Write Java Program to Print All Palindrome Numbers Between 1 and n using While loop
  29. Write Java Program to Print All Palindrome Numbers Between n and m using While loop
  30. Write Java Program to Check if Give Number is Armstrong or Not using While loop
  31. Write Java Program to Print First n Armstrong Numbers using While loop
  32. Write Java Program to print all Armstrong numbers Between 1 and n using While loop
  33. Write Java Program to print all Armstrong numbers Between n and m using While loop
  34. Write Java Program to Check the Number is a Krishnamurthy Number using While loop
  35. Write Java Program to Check if Given Number is Perfect Square or Not using While loop
  36. Write Java Program to Check Number is a Prime, Armstrong, or Perfect Square using While loop
  37. Write Java Program to Check if All Digits of Number Are Same or Not using While loop
  38. Write Java Program to Find GCD Two Numbers using While loop
  39. Write Java Program to Find LCM of Two Numbers using While loop
  40. Write Java Program to Find All Factors of Number using While loop
  41. Write Java Program to Find Prime Factors of Number using While loop

Java Programs: Number System / Base Conversion

  1. Write C Program to Convert Decimal to Binary
  2. Write C Program to Convert Decimal to Octal
  3. Write C Program to Convert Decimal to Hexadecimal
  4. Write C Program to Convert Binary to Decimal
  5. Write C Program to Convert Binary to Octal
  6. Write C Program to Convert Binary to Hexadecimal
  7. Write C Program to Convert Octal to Binary
  8. Write C Program to Convert Octal to Decimal
  9. Write C Program to Convert Octal to Hexadecimal
  10. Write C Program to Convert Hexadecimal to Binary
  11. Write C Program to Convert Hexadecimal to Octal
  12. Write C Program to Convert Hexadecimal  to Decimal

Java Programs: Array

  1. Write Java Program to Initialize an Array in Program and Print it
  2. Write Java Program to Scan and Print Array of Size n
  3. Write Java Program to Print Array in Reverse Order
  4. Write Java Program to Find Number of Elements in Array
  5. Write Java Program to Add All the Elements of an Array
  6. Write Java Program to Find an Element From an Array (Linear Search)
  7. Write Java Program to Find Average of Elements of an Array
  8. Write Java Program to find Mean, Variance and Standard Deviation of an Array
  9. Write Java Program to Check if Given Array is Sorted or Not
  10. Write Java Program to Find Maximum and Minimum From Array
  11. Write Java Program to Find Second Smallest and Second Largest Element from an Array
  12. Write Java Program to Count Positive, Negative and Zeros in an Array
  13. Write Java Program to Sum Positive and Negative Elements in Array
  14. Write Java Program to Compare Two Arrays
  15. Write Java Program to Count Odd and Even Numbers in Given Array
  16. Write Java Program to Count Occurrence of Given Element in an Array
  17. Write Java Program to Replace Array Elements by Given Value
  18. Write Java Program to Delete Duplicate Element From an Array
  19. Write Java Program to Delete Element From an Array by Value
  20. Write Java Program to Delete Element From an Array by Location
  21. Write Java Program to Insert an element in an Array at Given Location
  22. Write Java Program to Implement Binary Search

Java Programs: Matrix

  1. Write Java Program to Initialize 3 x 3 Matrix and Print it
  2. Write Java Program to Scan and Print 3 x 3 Matrix 
  3. Write Java Program to Add Two Matrices of Size 3 X 3.
  4. Write Java Program to Multiply Two Matrices of Size 3 X 3.
  5. Write Java Program to Find Norm and Trace of Matrix of Size 3 X 3.
  6. Write Java Program to Find Row Sum and Column Sum of Matrix of Size 3 X 3.
  7. Write Java Program to Find Sum of Diagonal, and Non Diagonal Elements of 3X3 Matrix
  8. Write Java Program to Traverse Matrix Helically.
  9. Write Java Program to Check if Given Matrix is Magic Matrix or Not
  10. Write Java Program to Print Lower and Upper Triangle of Matrix
  11. Write Java Program to Compute Transpose of Matrix

Java Programs: String

  1. Write Java Program to Initialize and Print String
  2. Write Java Program to Scan and Print String
  3. Write Java Program to Find Length of String
  4. Write Java Program to Reverse String
  5. Write Java Program to Count Number of Occurrence of Character in String
  6. Write Java Program to Compare Two Strings
  7. Write Java Program to Copy String in Another String
  8. Write Java Program to Concat Two Strings
  9. Write Java Program to Check if Given String is Palindrome or Not
  10. Write Java Program to Delete White Spaces From the String
  11. Write Java Program to Remove all Vowels From String
  12. Write Java Program to Count Vowel, Consonant and White Space from String.
  13. Write Java Program to Convert String in Upper Case, Lower Case and Toggle Case
  14. Write Java Program to Delete Given Character From the String
  15. Write Java Program to Insert Sub String at Specific Location
  16. Write Java Program to Find Sub String from the Given String
  17. Write Java Program to Count Occurrence of Word in Given String
  18. Write Java Program to Remove Given Word From the String
  19. Write Java Program to check valid username and password (print: success or failure)

Java Programs: Recursion

  1. Write Java Program to Add Two Numbers using Recursion
  2. Write Java Program to Add Digits of Number using Recursion
  3. Write Java Program to Find Factorial of Number Using Recursion
  4. Write Java Program to Find Fibonacci Series Using Recursion
  5. Write Java Program to Find Maximum Number From Array Using Recursion
  6. Write Java Program to Add First n Numbers using Recursion
  7. Write Java Program to Find Sum of All Array Elements Using Recursion
  8. Write Java Program to Search Element From Array Using Recursion
  9. Write Java Program to perform Binary Search using Recursion
  10. Write Java Program to Find GCD of Two Numbers using Recursion
  11. Write Java Program to Find LCM of Two Numbers using Recursion
  12. Write Java Program to Find the Sum of Natural Numbers using Recursion
  13. Write Java Program to Reverse a Number Using Recursion
  14. Write Java Program to Reverse a String Using Recursion
  15. Write Java Program to Check if Given Number is Palindrome or Not using Recursion
  16. Write Java Program to Check if Given String is Palindrome or Not using Recursion
  17. Write Java Program to Calculate the Power using Recursion