Check that the given CharSequence is neither {@code null} nor of length 0. Note: Will return {@code true} for a CharSequence that purely consists of w

Returns the sibling of the node, as well as the side it is on e.g 20 (A) / \ 15(B) 25(C)

Delete any character in a given String. @param inString the original String @param charsToDelete a set of characters to delete.

Split a String at the first occurrence of the delimiter. Does not include the delimiter in the result. @param toSplit the string to split @param de

Copy the given Collection into a String array. The Collection must contain String elements only. @param collection the Collection to copy @return the

Case 1 is when there's a double black node on the root Because we're at the root, we can simply remove it and reduce the blac

Returns a boolean indicating if the node has children

Check whether the last unknown block a peer advertised is not yet known. */

Our node 'switches' places with the old child Assigns a new parent to the node. If the new_parent is None, this means that ou

Simply removes a leaf node by making it's parent point to a NIL LEAF

Given a red child node, determine if there is a need to rebalance (if the parent is red) If there is, rebalance it

Normalize the path by suppressing sequences like "path/.." and inner simple dots. <p>The result is convenient for path comparison. For other uses, not

Convenience method to return a Collection as a delimited (e.g. CSV) String. E.g. useful for {@code toString()} implementations. @param coll the Col

Take a String which is a delimited list and convert it to a String array. <p>A single delimiter can consists of more than one character: It will still

Returns the number of NOT NIL children the node has

Check whether the given String is empty. <p>This method accepts any Object as an argument, comparing it to {@code null} and the empty String. As a con

Replace all occurences of a substring within a string with another string. @param inString String to examine @param oldPattern String to replace @p

Find the last common ancestor two blocks have. * Both pa and pb must be non-NULL. */

Case 2 applies when the parent is BLACK the sibling is RED the sibling's children are BLACK or NIL

Case 3 deletion is when: the parent is BLACK the sibling is BLACK the sibling's children are BLACK

If the parent is red and the sibling is black with no red children, simply swap their colors DB-Double Black

Case 5 is a rotation that changes the circumstances so that we can do a case 6 If the closer node is red and the outer BLACK or NIL,

Case 6 requires SIBLING to be BLACK OUTER NODE to be RED Then, does a right/left rotation on the sibling

Finds a place for the value in our binary tree

Receives a node with 0 or 1 children (typically some sort of successor) and removes it according to its color/children :param

Loop through each case recursively until we reach a terminating case. What we're left with is a leaf node which is ready to be delete

Convenience method to return a String array as a delimited (e.g. CSV) String. E.g. useful for {@code toString()} implementations. @param arr the ar

Convert a CSV list into an array of Strings. @param str the input String @return an array of Strings, or the empty array in case of empty input

Returns a boolean indicating if the given value is present in the tree

Check whether the given CharSequence has actual text. More specifically, returns {@code true} if the string not {@code null}, its length is greater th

Quote the given String with single quotes. @param str the input String (e.g. "myString") @return the quoted String (e.g. "'myString'"), or {@code nul

Tokenize the given String into a String array via a StringTokenizer. Trims tokens and omits empty tokens. <p>The given delimiters string is supposed t

Trim all occurences of the supplied leading character from the given String. @param str the String to check @param leadingCharacter the

Trim leading whitespace from the given String. @param str the String to check @return the trimmed String @see java.lang.Character#isWhitespace

* Calculates the block height and previous block's median time past at * which the transaction will be considered final in the context of BIP 68. *

Requires cs_main

Update pindexLastCommonBlock and add not-in-flight missing successors to vBlocks, until it has * at most count entries. */

Requires cs_main. Returns a bool indicating whether we requested this block.

Requires cs_main

Update tracking information about which blocks a peer is assumed to have. */

Append the given String to the given String array, returning a new array consisting of the input array contents plus the given String. @param array t

Apply the given relative path to the given path, assuming standard Java folder separation (i.e. "/" separators). @param path the path to star

Convenience method to return a String array as a CSV String. E.g. useful for {@code toString()} implementations. @param arr the array to display @ret

Capitalize a {@code String}, changing the first letter to upper case as per {@link Character#toUpperCase(char)}. No other letters are changed. @param

Given a value, return the closest value that is equal or bigger than it, returning None when no such exists

Convenience method to return a Collection as a CSV String. E.g. useful for {@code toString()} implementations. @param coll the Collection to display

Convenience method to convert a CSV string list to a set. Note that this will suppress duplicates. @param str the input String @return a Set of Strin

Concatenate the given String arrays into one, with overlapping array elements included twice. <p>The order of elements in the original arrays is prese

Check whether the given CharSequence contains any whitespace characters. @param str the CharSequence to check (may be {@code null}) @return {@code tr

Count the occurrences of the substring in string s. @param str string to search in. Return 0 if this is null. @param sub string to search for. Return

Delete all occurrences of the given substring. @param inString the original String @param pattern the pattern to delete all occurrences of @return t

Test if the given String ends with the specified suffix, ignoring upper/lower case. @param str the String to check @param suffix the suffix to loo