TheAlgorithms/Java

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Code / MessageTypeSeverityTags
Invalid root
validation error input-validation, index-out-of-bounds, graph, dynamic-programming
slant height must be greater than 0
validation error validation, maths, geometry, precondition, illegal-argument
Table is empty, cannot delete.
exception warning hashmap, cuckoo-hashing, state, input-validation
Values array cannot be empty or null
exception error math, validation, illegal-argument, statistics, null-check
Array contains negative integers.
exception error sorting, non-negative-domain, input-validation
- is not a card number
validation error validation, luhn, credit-card, input-validation, format
Empty stack. Nothing to pop
exception error stack, empty-state, java, datastructures, linked-list
Invalid key matrix. Determinant is zero modulo 26.
exception error cryptography, ciphers, hill-cipher, java, validation, linear-algebra, illegalargumentexception
Side Length must be greater than 0
validation error validation, maths, geometry, precondition, illegal-argument
Given range of values is invalid!
validation error validation, maths, precondition, range, illegal-argument
Input expression cannot be null.
exception error stacks, brackets, null-check, validation, illegalargument
Number of hash functions and bit array size must be greater…
validation error java, datastructures, bloom-filter, construction, illegalargument
Weight capacity should not be negative.
validation error knapsack, negative-capacity, input-validation, java
imageWidth should be greater than zero
validation error validation, graphics, image, input-validation
Input cannot be null or empty
validation error number-conversion, input-validation, octal, null-check
Invalid BCD digit
validation error bit-manipulation, bcd, encoding, argument-validation, illegalargumentexception
Self-loops are not allowed
exception error graph, graph-coloring, input-validation
Day must be between 1 and 31.
exception error date, zellers-congruence, range-validation, argument-validation
Gravity must be positive
exception error java, physics, parameter-validation, pendulum, constructor, illegal-argument
k must be >= 1
validation error graph, validation, argument-range, yens, k-shortest-paths
${position}
exception error linked-list, index-out-of-bounds, data-structure, off-by-one, java
Number of nodes must be between 1 and + MAX_NODES
validation error validation, pagerank, graph, input-validation, capacity
Number of variables cannot be negative.
exception error sat, input-validation, argument-validation
Please call solve() before checking for a solution.
panic error sat, state-machine, api-misuse
Points array cannot be empty
exception error tree, invalid-argument, java, datastructures, kdtree, empty-state
saturation should be between 0 and 1
validation error color-conversion, input-validation, hsv, range-check
Encoded text contains invalid characters
exception error compression, huffman, binary, validation, illegal-argument
Invalid Base64 character
validation error conversions, base64, rfc-4648, character-validation, java
maxStep should be greater than zero
validation error validation, graphics, fractal, iteration, input-validation
Decimal number cannot be negative.
validation error number-conversion, input-validation, octal, range-check
Edge vertex out of range
exception error graph, indexing, input-validation
hue should be between 0 and 360
validation error color-conversion, input-validation, hsv, range-check
Invalid node in edge
exception error tree, invalid-argument, java, datastructures, centroid-decomposition, indexing
Length must be greater than 0
validation error validation, maths, geometry, precondition, illegal-argument
Total nodes must be between 1 and + MAX_NODES
validation error validation, pagerank, graph, input-validation, capacity
additivePersistence() does not accept negative values
exception error math, persistence, invalid-argument, negative-value
Maze must not be null or empty.
validation error backtracking, matrix, null-check, argument-validation, illegalargumentexception
MULTIPLE_NEGATIVES
Invalid Input. Multiple 'Negative's detected.
 validation error java, words-to-number, grammar, negative
sylvester() does not accept negative numbers or zero.
exception error math, recursion, input-validation, argument-validation
Keys and frequencies cannot be null
validation error null-check, array, dynamic-programming, input-validation
Key must not be null.
exception error search, nullable, input-validation, null-check
Target must be non-negative
exception error recursion, input-validation, illegal-argument, backtracking
invalid character
exception error conversions, base-conversion, character-validation, java
Bit length must be at least
validation error cryptography, ciphers, elgamal, java, security, validation, illegalargumentexception
Buffer size must be positive
validation error java, datastructures, circular-buffer, construction, illegalargument
The index must be less than the number of elements.
exception error selection, index-out-of-bounds, off-by-one, input-validation
Adjacency list must not be null
validation error null-check, graph, input-validation, list
Cannot peek from an empty stack.
exception error stack, empty-state, java, datastructures
Edges cannot be null
exception error tree, null-argument, java, datastructures, centroid-decomposition, precondition
Vertex is out of bounds
exception error graph, graph-coloring, indexing, input-validation
Encrypted message should be a multiple of 64 characters in…
validation error cryptography, ciphers, des, java, validation, illegalargumentexception
Input array cannot be null or empty.
exception error prefix-sum, input-validation, illegal-argument, data-structure
MinPriorityQueue is empty. Cannot peek.
exception error priority-queue, empty-state, data-structure, precondition, java
value should be between 0 and 1
validation error color-conversion, input-validation, hsv, range-check
Neighbor index out of bounds
validation error input-validation, index-out-of-bounds, graph
Number must be zero to set!
exception error math, builder, runtime-exception, state-validation
octaveCount must be >= 1
validation error validation, perlin-noise, procedural-generation, input-validation, iteration
Cannot enqueue null data
exception error queue, data-structure, null-check, input-validation, java
Key must not be empty
exception error cipher, xor, validation, illegal-argument
Index: , Size
exception error dynamic-array, index-bounds, off-by-one
Input lists must not be null.
exception error merge, linked-list, null-check, data-structure, precondition, java
Input n must be non-negative
validation error fibonacci, negative-input, input-validation, java
NULL_INPUT
Invalid Input. 'null' or empty input provided
 validation error java, words-to-number, null-input, input-validation
Capacity matrix must not be null or empty
validation error null-check, graph, input-validation, matrix
Frequencies cannot be negative
validation error input-validation, array, negative-values, dynamic-programming
imageHeight should be greater than zero
validation error validation, graphics, image, fractal, input-validation
Key cannot be null
validation error java, fifo-cache, null-check, argument-validation, cache
Segment list must not be null
validation error null-check, geometry, input-validation, list
Unit cannot be null.
validation error time-conversion, input-validation, null-check
Base must be between 2 and 36
validation error number-conversion, input-validation, range-check
inputUnit must be different from outputUnit.
validation error java, unit-conversion, input-validation, illegalargument
The element to be deleted does not exist!
exception error linked-list, not-found, data-structure, java
Cannot extract from an empty heap
exception error heap, max-heap, empty-state, checked-exception
Damping factor must be between 0 and 1
validation error validation, pagerank, input-validation, range, numeric
Number of vertices cannot be negative
exception error graph, graph-coloring, input-validation
Object distance must be non-zero.
exception error physics, input-validation, illegal-argument, divide-by-zero, thin-lens
successors and predecessors must not be null
validation error graph-algorithm, argument-validation, null-check, dfs
Capacity matrix must be square
validation error graph-algorithm, argument-validation, matrix-shape, gomory-hu-tree
Input data contains invalid characters. Only uppercase A-Z…
exception error cryptography, ciphers, java, validation, string, illegalargumentexception
Message must be smaller than the prime modulus p.
validation error cryptography, ciphers, elgamal, java, validation, biginteger, illegalargumentexception
successors must not be null
validation error graph-algorithm, argument-validation, null-check, dfs
Invalid row indices
exception error prefix-sum, input-validation, index-out-of-bounds, matrix, off-by-one
Queue capacity must be greater than 0
exception error queue, data-structure, constructor, capacity, input-validation, java
Weights matrix must not be null or empty
validation error graph, validation, null-check, empty-input, yens
Costs must be non-negative
validation error graph-algorithm, argument-validation, value-constraint, assignment-problem
Stack is empty, cannot pop element
exception error stack, empty-state, java, datastructures
Capacities must be non-negative
validation error graph-algorithm, argument-validation, value-constraint, max-flow, push-relabel
Invalid column indices
exception error prefix-sum, input-validation, index-out-of-bounds, matrix, off-by-one
Invalid input parameters
exception error randomized, monte-carlo, input-validation, illegal-argument, generic-message
Utility class
exception warning utility-class, reflection, instantiation, design
Cannot delete from empty heap
exception error heap, empty-state, data-structure, precondition, java
red should be between 0 and 255
validation error color-conversion, input-validation, rgb, range-check
The index must not be negative.
exception error selection, index-out-of-bounds, off-by-one, input-validation
Value and weight arrays must be of the same length.
validation error knapsack, array-mismatch, input-validation, java
Array is empty
validation error validation, array, input-validation, empty-state
Please call solve() before fetching the solution.
panic error sat, state-machine, api-misuse
Input array must be sorted.
exception error search, precondition, sorted-input, input-validation
Keys and frequencies must have the same length
validation error input-validation, array, length-mismatch, dynamic-programming
length must be non-negative
exception error cryptography, ciphers, one-time-pad, java, validation, illegalargumentexception
Iterations must be at least 1
validation error validation, pagerank, iteration, input-validation