best book for data structures and algorithms in java

List operation code is small but more error-prone, is more suitable for the interview place. Code implementation /** * Source Name: Mylinklist.java * Date: 2014-09-05 * program function: Java list operation * Copyright: [emailprotected] * A2bgeek */import Java.util.Sta Ck;public class Mylinklist {class Linknode"Data structures and

; J ) {System.out.print (A[j]+ " "); } System.out.println (""); } //Bubble Sort Public voidBubblesort () {intOut , in; for(out = nElems-1, out > 1; out--) { for(in = 0; in ) { if(A[in] > a[in + 1]) {swap (in,+ 1); } } } } //Insert Sort Public voidInsertionsort () {intin, out; //Out are dividing line for(out = 1; out ) { //Remove marked item Longtemp =A[out]; //start shifts at outin =Out ; wh

) { +Temp[i] =key; -}Else { theTemp[i] = This. table[i-1];Bayi } the } the - This. Table =temp; - } the the Public intSearchindex (intkey) { the intn = key/m-1; the intStart =-1; - intLength =-1; the //Find index location the for(inti = 0; I This. Indextable.size (); i++) { the if(n = = This. Indextable.get (i). Index) {94Start = This. Indextable.get (i). Start; theLength = This. Indextable.get (i). len

Stacks and queuesStack (last in, first out)Stack, which allows access to only one data item: The last inserted data item.Stacks can be used to check the matching problems of parentheses and parse mathematical expressions, similar to those used in the compilation principle.The operation of the picture is actually summed up: 1. Read the left delimiter into the stack, 2. The right delimiter is read to match th

) + (N-2) +...+1 = N (N-1)/2When the value of N is very large, the algorithm compares the number of N2/2 times, ignoring minus 1.Assuming that the data is random, it is possible to swap locations each time, possibly without swapping, assuming a probability of 50%, then the number of interchanges is N2/4. However, if the worst-case scenario is that the initial data is reversed, the position is swapped for ea

(6321/101)-Ten * (int (6321/102)) = 632-630 = 2;K3 = Int (6321/102)-Ten * (int (6321/103)) = 63-60 = 3;K4 = Int (6321/103)-Ten * (int (6321/104)) = 6-0 = 6;A: Example: Radixsort.javaQ: What is the efficiency of cardinality sequencing?A: All you have to do is copy the original data items from the array to the list and copy them back. If there are 10 data items, there are 20 copies. The number of copies is p

(e e);//replace element in collection * "9" void Add (e e);//At the previous position of the current index or the current Adds a new element to the collection at the back of the index position. *//whether or not to add new elements before or after the current index position depends on whether you are traversing sequentially or in reverse order * If it is {@link#next}, insert at the previous position of the current position *//if it is {@link#previous} to inser

]; while (end>start) { while (end>startarrys[key)//If there is nothing smaller than the key value, compare next until there is a smaller swap position than the key value, And then compare it back to the past End--; if (arrys[end]) { arrys[end]; arrys[arrys[start]; arrys[tmp; } while (end>startarrys[start]) Start+ +; if (arrys[key) {

is too small, may be back overflow, if too large, but also cause a waste of performance, and the list is dynamically allocated, there is no problem. Therefore, generally do not use barrels.6. SummaryA hash table is based on an array, similar to the storage form of a key-value, where the keyword value is mapped to an array subscript by a hash function, which is called a conflict if a keyword is Hashiha to an occupied cell. There are two ways to resolve conflicts: The Open Address method and the

() method in the Bubblesort.java program (listing 3.1) with the Oddevensort () method . Make sure it runs in a sort of different amount of data, and that you need to figure out the number of two scans. Parity Ordering is actually useful in multiprocessor environments where the processor can process each odd pair at the same time, and then handle even pairs at the same time. Because the odd pairs are independent of each other, each pair can be compar

Structure textbooks outside China share a common feature, that is, their first chapter is not about the data structure, but the basic principles of software engineering. I personally think this is very necessary. Especially for most people who have never been familiar with programming, the data structure is the first course that comes into contact with programming to learn the basic software engineering pr

Method Public BooleanDeleteLongvalue) { intj =find (value); if(j==Nelems) { return false; } Else { for(intK=j; k) {A[k]= A[k+1]; } nelems--; return true; } } //Binary Method Search Public intFindLongSearchkey) { intlowerbound = 0; intUpperbound = nElems-1; intCurin; while(true) {Curin= (lowerbound + upperbound)/2; if(a[curin]==Searchkey) { returnCurin;//found it } Else if

modify the code in main () without modifying the higharray class. This method requires the second array. The group data items are sorted in reverse order at the end of sorting. (This method is used to select a variant of sorting in "simple sorting" in Chapter 3rd .) 2.4 modify the orderedarray. Java program (list 2.4) so that the insert (), delete () and find () methods use binary lookup, as is recommended

of red-Haishi. But they can't all be full, so the height of the 2-3-4 tree is roughly log2 (n+1) and log2 (n+1)/2. Reducing the height of the 2-3-4 tree makes it shorter to find than red-Haishi.On the other hand, each node has more data items to view, which increases the lookup time. Because a linear search is used in a node to view data items, the multiple of the lookup time is proportional to M, which is

the left to find an element that is larger than the base element, stop, the two elements are exchanged until two pointers meet, the end of the cycle * pointer point to the The position is where the datum element should be located in the collection * eg * {8,-2, 3, 9, 0, 1, 7, 6} * Benchmark * First bm=8 * end = Lengt h-1 = 7 * start=0 * End--, We found 6:8 small, end pointer stopped, current index is j=7 * start++, until element 9 stops, current index i=3 * Exchange the elements corresp

-array with only one data item, and the other sub-array containing N-1 data items.A: in this case, the benefits of partitioning are gone, and the execution efficiency of the algorithm is reduced to O (N2). In addition to being slow, there is another potential problem, and when the number of partitions increases, the number of calls to the recursive method increases, and each method call increases the size o

(String)); }Second, the use of the stack-delimiter matching.public int charat (char c) {for (int i = 0; i will ({Press into the stack once, once encountered)}] will be compared with the popup element, if it matches, then match. If not)}], the left sign of the stack pops up and the hint is where the specific right symbol type is missing. This is a tool that can be implemented using stacks.Stack of data into the stack and the time complexity of the

can put in *, in Put +, that is abc*+.A * (b+c) turn suffix:Read a, read *, later found (can not be placed *, (B+C * Priority High, read, followed by), can be changed to bc+, and a * together, that is abc+*.This is a queue, but the structure to use is the stack, because it comes in. The arithmetic here does not have to be pressed into the stack, directly output.a+b-c Turn suffix:Direct output A, read +, stack empty press into the stack, then output B, stack non-empty, pop +, read to-,+ priority

1. HashMap Overview HashMap is an asynchronous implementation of the map interface based on a hash table (Hashtable is similar to HashMap, the only difference being that the method in Hashtalbe is thread-safe, that is, synchronous). This implementation provides all the optional mapping operations and allows NULL values and NULL keys to be used. This class does not guarantee the order of mappings, especially if it does not guarantee that the order is immutable. 2. Four points of attention on Has

, while (!thestack.isempty ()) {int Currentvertex = Thestack.peek (); int v = Getadjunvisitedvertex (Currentvertex); if (v = =-1) {Thestack.pop ();} else{vertexlist[v].wasvisited = True;thestack.push (v);d Isplayvertex (Currentvertex);d Isplayvertex (v); System.out.print ("");}} Search complete, initialize, for the next search for (int i = 0; i 5. SummaryThe graph is made up of vertices connected by edges, which can represent many real world situations, including aircraft routes, electronic circ