Tasks not implemented in Java
Awareness
If Java is a language you like, or are interested in, please inform your fellow members of the Java community; this page can't be emptied without your and their participation.
If Java is a language you like, or are interested in, please inform your fellow members of the Java community; this page can't be emptied without your and their participation.
Tasks not implemented in Java
A
B
C
- Check output device is a terminal
- Colour pinstripe/Printer
- Compiler/Simple file inclusion pre processor
D
E
F
J
K
M
N
O
P
R
- Random sentence from book
- Rosetta Code/Find unimplemented tasks
- Rosetta Code/Rank languages by number of users
S
- SOAP
- Scope/Function names and labels
- Speech synthesis
- Strassen's algorithm
- Suffixation of decimal numbers
- Syntax highlighting using Mediawiki formatting
T
- Terminal control/Cursor movement
- Terminal control/Cursor positioning
- Terminal control/Dimensions
- Terminal control/Hiding the cursor
- Terminal control/Inverse video
- Terminal control/Positional read
- Terminal control/Unicode output
U
Draft tasks not implemented in Java
1
3
A
- ABC incremental counts
- Addition-chain exponentiation
- Append numbers at same position in strings
- Audio overlap loop
B
C
- CLI-based maze-game
- Checksumcolor
- Chess player
- Code Golf: Code Golf
- Common sorted list
- Compiler/Preprocessor
- Compiler/Verifying syntax
- Conjugate a Latin verb
- Continued fraction convergents
- Convert CSV records to TSV
- Coprimes
- Count the coins/0-1
- Create an executable for a program in an interpreted language
- Create your own text control codes
- Cross compilation
D
- Diophantine linear system solving
- Distinct power numbers
- Divide a rectangle into a number of unequal triangles
- Doubly-linked list/Element removal
E
- Eisenstein primes
- Elevator simulation
- Erdős–Woods numbers
- Even numbers which cannot be expressed as the sum of two twin primes
- Extended Straddling Checkerboard
F
- Fibonacci heap
- Find URI in text
- Find squares n where n+1 is prime
- Find words which contain all the vowels
- Find words with alternating vowels and consonants
- Four sides of square
G
H
I
L
- Lagrange Interpolation
- Largest difference between adjacent primes
- Largest palindrome product
- Latin Squares in reduced form/Randomizing using Jacobson and Matthews' technique
- Launch rocket with countdown and acceleration in stdout
- Longest palindromic substrings
- Lucas-Carmichael numbers
- Lunar arithmetic
M
N
- N-queens minimum and knights and bishops
- Names to numbers
- Native shebang
- Neighbour primes
- Number triplets game
- Numbers divisible by their individual digits, but not by the product of their digits.
- Numbers in base 10 that are palindromic in bases 2, 4, and 16
- Numbers in base-16 representation that cannot be written with decimal digits
- Numbers whose binary and ternary digit sums are prime
O
- Odd squarefree semiprimes
- One-two primes
- OpenGL pixel shader
- OpenGL/Utah teapot
- Overloaded operators
P
- Palindromic primes
- Pandigital prime
- Parse EBNF
- Parse command-line arguments
- Penholodigital squares
- Permutations with some identical elements
- Piprimes
- Posit numbers/decoding
- Posit numbers/encoding
- Positive decimal integers with the digit 1 occurring exactly twice
- Price list behind API
- Prime numbers p for which the sum of primes less than or equal to p is prime
- Prime numbers which contain 123
- Prime reciprocal sum
- Prime triplets
- Prime words
- Primes which contain only one odd digit
- Primes with digits in nondecreasing order
- Print itself
- Process SMIL directives in XML data
- Protecting Memory Secrets
R
- Range modifications
- Raster bars
- Recursive descent parser generator
- Red black tree sort
- Remote agent/Agent interface
- Remote agent/Agent logic
- Remote agent/Simulation
- Resistance calculator
- Resistance network calculator
- Rice coding
- Rosetta Code/List authors of task descriptions
- Rosetta Code/Run examples
- Run as a daemon or service
S
- SEND + MORE = MONEY
- Safe and Sophie Germain primes
- Safe mode
- Sanitize user input
- Segmentation fault protection
- Selection bias in clinical sciences
- Self-hosting compiler
- Show the (decimal) value of a number of 1s appended with a 3, then squared
- Simulated annealing
- Simulated optics experiment/Data analysis
- Simulated optics experiment/Simulator
- Sine wave
- Singly-linked list/Element removal
- Singly-linked list/Reversal
- Smallest enclosing circle problem
- Smallest numbers
- Smallest power of 6 whose decimal expansion contains n
- Smallest square that begins with n
- Solve a Rubik's cube
- Solve equations with substitution method
- Solving coin problems
- Sort primes from list to a list
- Sort the letters of string in alphabetical order
- Special divisors
- Special factorials
- Special neighbor primes
- Special pythagorean triplet
- Spoof game
- Steady squares
- Sturmian word
- Substring primes
- Sum of first n cubes
- Sum of square and cube digits of an integer are primes
- Sum of the digits of n is substring of n
- Sum of two adjacent numbers are primes
- Summation of primes
- Sunflower fractal
- Szymański's algorithm
T
- Table creation
- Terminal control/Restricted width positional input/No wrapping
- Terminal control/Restricted width positional input/With wrapping
- Three word location
- Time-based one-time password algorithm
- Triangular numbers
- Triplet of three numbers
U
- URL shortener
- Unicode polynomial equation
- Unique characters
- Unique characters in each string
- Uno (card game)
- Untrusted environment
- Upside-down numbers
- Useless instructions
- User defined pipe and redirection operators
- Using a speech engine to highlight words
V
W
- Wave function collapse
- Waveform analysis/Doh ray me
- Waveform analysis/Top and tail
- Weather routing
- WebGL rotating F
X
Tasks omitted from Java
A
C
- Calendar - for "REAL" programmers
- Check input device is a terminal
- Compile-time calculation
- Create an object at a given address
D
F
H
M
P
R
S
V
End of List
Again, feel free to try your hand at any of the tasks listed on this page.