数据结构java源代码,Java代码结构

求程序代码（java版的数据结构）

3个class，运行UI.java。

******

public class CircuitException extends Exception {public CircuitException(){}}

*****

import java.util.LinkedList;

public class GPS {

public static final int MAX = 65535;

public GPS(int maxSize){

graph = new Graph(maxSize);

}

public GPS(){

graph = new Graph();

}

public Graph graph;

public static void main(String args[]){

GPS gps = new GPS();

try {

gps.graph.addEdge("a", "b", 1);

gps.graph.addEdge("a", "c", 1);

gps.graph.addEdge("b","d" , 1);

gps.graph.addEdge("c","d" , 1);

gps.graph.addEdge("d","e" , 1);

gps.graph.addEdge("d","f" , 1);

gps.graph.addEdge("e","t" , 2);

gps.graph.addEdge("f","t" , 1);

LinkedList list = gps.graph.getPath("a", "d");

for(int i = 0 ; i list.size() ; i++){

System.out.print(list.get(i));

}System.out.println();

} catch (CircuitException e) {

System.out.println("出现了自环！");

}

gps.graph.showGraph();

System.out.println(gps.graph.gap);

}

public class Graph{

public int Zuidazhi = 50;

public int changdu = 0;

public Jiao[] vertex;

public double gap;

public Graph(){

vertex = new Jiao[Zuidazhi];

}

public Graph(int maxSize){

this.Zuidazhi = maxSize;

vertex = new Jiao[maxSize];

}

public void addVertex(String name){

vertex[changdu++] = new Jiao(name);

}

public void addEdge(String v1, String v2,double edge) throws CircuitException{

//先找到v1；

if(v1.equals(v2))

throw new CircuitException();

Jiao from = null;

Jiao to = null;

for(int i = 0 ; i changdu ; i++){

if(vertex[i].name.equals(v1)){

from = vertex[i];

}else if(vertex[i].name.equals(v2)){

to = vertex[i];

}

}

if(from == null){

this.addVertex(v1);

from = this.vertex[changdu-1];

}

if(to == null){

this.addVertex(v2);

to = this.vertex[changdu-1];

}//已经找到v1和v2；

//没有检测是否v1 v2边已经存在！

//加入边。

Jiao v1adj = new Jiao(v2);

v1adj.edge = edge;

Jiao v2adj = new Jiao(v1);

v2adj.edge = edge;

//添加联系

//检查联系是否已经存在

Jiao temp = from;

while(temp.next!=null){

Jiao temppar = temp;

temp = temp.next;

if(temp.name.equals(v1adj.name)){

temppar.next = temp.next;

}

}

v1adj.next = from.next;

from.next = v1adj;

//v2adj.next = to.next;

//to.next = v2adj;

}

//假设要找的必然存在，不用想是否不在

public LinkedList getPath(String v1 ,String v2){

int count = 0;

//System.out.println(count++);

boolean found[] = new boolean[changdu];

double distance[] = new double[changdu];

int to = 0;

Jiao from = null;

for(int i = 0 ; i changdu ; i++){

found[i] = false;

distance[i] = MAX;

}

for(int i = 0 ; i changdu ; i++){

if(vertex[i].name.equals(v1)){//找到始发地

from = vertex[i];

distance[i] = 0;

found[i] = true;

//System.out.println(count++);

}

if(vertex[i].name.equals(v2)){//找到目的地

to = i;

//System.out.println(count++);

}

}

//必须先准备好路径！

Jiao forCount = from;

int degree = 0;

while(forCount!=null){

degree++;

forCount=forCount.next;

}

LinkedList[] list = new LinkedList[degree];

int [] mark = new int[degree];

for(int i = 0 ; i degree ; i++){

list[i]=new LinkedList();

mark[i]=MAX;

}

int test=0;

int count2 = 0;

int count3 = 0;

//System.out.println(count+++"xx");

while(!found[to]test++100){

//System.out.println(count+++"FIRST");

//开始时from到所有都是最大值。

//找到标记了的节点

//找标记了的节点邻接的未标记的节点。

//得到最短的边，并标记。

//更新现有路径

double min = MAX;

int address = -1;

int father = -1;

for(int i = 0 ; i changdu ; i++){//对于已经找到的顶点寻找最小的往后的距离。

if(found[i]){//找到了的。

Jiao temp = vertex[i];

while(temp!=null){//vertex的邻接顶点~~

//先看temp的号码~

int tempNumber = -1;

for(int j = 0 ; j changdu ; j++){

if(vertex[j].name.equals(temp.name)){

tempNumber = j;

break;

}

}

if(!found[tempNumber]){//如果是还没有找到的~

double dist = distance[i]+temp.edge;

if(dist min){

min = dist;

father = i;

//System.out.println(" "+min);

address = tempNumber;

}

}

temp = temp.next;

}

}

}found[address] = true;

distance[address] = min;

//添加到已有路径中去！

//知道father

for(int i = 0 ; i degree ; i++){

if(list[i].isEmpty()||list[i].getLast().equals(vertex[father].name)){

list[i].addLast(vertex[address].name);

break;

}

}

}

for(int i = 0 ; i degree ; i++){

if(list[i].isEmpty())

continue;

else{

if(list[i].getLast().equals(v2)){

gap=0;

//先求出gap

Jiao pre = from;

Jiao nex = null;

for(int j = 0 ; j list[i].size() ; j++){

for(int k = 0 ; k changdu ; k++){

if(vertex[k].name.equals(list[i].get(j))){

nex = vertex[k];break;

}

}

while(pre.next!=null){//找到下一个的长度

pre = pre.next;

//System.out.println(nex.name +"nex.name");

if(pre.name.equals(nex.name)){

gap+=pre.edge;

//System.out.println(" gap2 "+gap);

}

}

pre = nex;

}

//System.out.println(gap+"gap");

return list[i];

}

}

}

return null;

}

public void showGraph(){

Jiao temp;

for(int i = 0 ; i changdu ; i++){

temp = vertex[i];

while(temp!=null){

System.out.print(temp.name+temp.edge+" ");

temp = temp.next;

}System.out.println();

}System.out.println("Show Over!");

}

}

public class Jiao{

public String name;

public Jiao next = null;

public double edge;

public Jiao(String name){

this.name = name;

}

}

}

******

import java.awt.EventQueue;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.util.LinkedList;

import javax.swing.JButton;

import javax.swing.DefaultListModel;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JList;

import javax.swing.JOptionPane;

import javax.swing.JScrollPane;

import javax.swing.JSeparator;

import javax.swing.JTextField;

import javax.swing.SwingConstants;

public class UI extends JFrame implements ActionListener{

private JTextField textField_5;

private JTextField textField_4;

private JList list_1;

private JList list;

private JTextField textField_1;

private JTextField textField_3;

private JTextField textField_2;

private JTextField textField;

private DefaultListModel model = new DefaultListModel();

private DefaultListModel model_1 = new DefaultListModel();

/**

* Launch the application

* @param args

*/

public static void main(String args[]) {

EventQueue.invokeLater(new Runnable() {

public void run() {

try {

UI frame = new UI();

frame.setVisible(true);

} catch (Exception e) {

e.printStackTrace();

}

}

});

}

/**

* Create the frame

*/

public UI() {

super();

setTitle("GPS寻路");

getContentPane().setLayout(null);

setBounds(100, 100, 500, 375);

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

final JScrollPane scrollPane = new JScrollPane();

scrollPane.setBounds(11, 36, 221, 193);

getContentPane().add(scrollPane);

list = new JList(model);

scrollPane.setViewportView(list);

final JScrollPane scrollPane_1 = new JScrollPane();

scrollPane_1.setBounds(253, 36, 218, 193);

getContentPane().add(scrollPane_1);

list_1 = new JList(model_1);

scrollPane_1.setViewportView(list_1);

final JLabel label = new JLabel();

label.setText("从");

label.setBounds(10, 249, 24, 18);

getContentPane().add(label);

final JLabel label_1 = new JLabel();

label_1.setText("到");

label_1.setBounds(11, 273, 24, 18);

getContentPane().add(label_1);

textField = new JTextField();

textField.setBounds(50, 247, 103, 22);

getContentPane().add(textField);

textField_2 = new JTextField();

textField_2.setBounds(50, 271, 103, 22);

getContentPane().add(textField_2);

final JLabel label_2 = new JLabel();

label_2.setText("距离");

label_2.setBounds(11, 297, 37, 18);

getContentPane().add(label_2);

textField_3 = new JTextField();

textField_3.setBounds(50, 295, 103, 22);

getContentPane().add(textField_3);

final JButton button = new JButton();

button.setText("添加");

button.setBounds(155, 250, 73, 28);

getContentPane().add(button);

final JButton button_1 = new JButton();

button_1.setText("删除");

button_1.setBounds(155, 285, 73, 28);

getContentPane().add(button_1);

final JLabel label_3 = new JLabel();

label_3.setText("距离：");

label_3.setBounds(253, 297, 39, 18);

getContentPane().add(label_3);

textField_1 = new JTextField();

textField_1.setBounds(293, 295, 86, 22);

getContentPane().add(textField_1);

final JButton button_2 = new JButton();

button_2.setText("显示路径");

button_2.setBounds(385, 249, 86, 68);

getContentPane().add(button_2);

final JLabel label_4 = new JLabel();

label_4.setText("路径表示");

label_4.setBounds(11, 10, 66, 18);

getContentPane().add(label_4);

final JLabel label_5 = new JLabel();

label_5.setText("最佳路径");

label_5.setBounds(253, 12, 66, 18);

getContentPane().add(label_5);

//

button.addActionListener(this);

button_1.addActionListener(this);

button_2.addActionListener(this);

final JLabel label_6 = new JLabel();

label_6.setText("从");

label_6.setBounds(253, 249, 24, 18);

getContentPane().add(label_6);

textField_4 = new JTextField();

textField_4.setBounds(293, 247, 86, 22);

getContentPane().add(textField_4);

final JLabel label_7 = new JLabel();

label_7.setText("到");

label_7.setBounds(253, 273, 24, 18);

getContentPane().add(label_7);

textField_5 = new JTextField();

textField_5.setBounds(293, 271, 86, 22);

getContentPane().add(textField_5);

final JSeparator separator = new JSeparator();

separator.setOrientation(SwingConstants.VERTICAL);

separator.setBounds(239, 10, 8, 317);

getContentPane().add(separator);

}

@Override

public void actionPerformed(ActionEvent e) {

// TODO Auto-generated method stub

if(e.getActionCommand().equals("添加")){

try{String from = textField.getText();

String to = textField_2.getText();

if(from.equals(to)){

JOptionPane.showMessageDialog(null, "始点与终点不能相同");

return;

}

if(from.equals("")||to.equals("")){

JOptionPane.showMessageDialog(null, "添加不能为空");

return;

}for(int i = 0 ; i model.size() ; i ++){

if(model.get(i).toString().substring(0, model.get(i).toString().indexOf(":")).equals(

from+"-"+to))

model.remove(i);

}

double length = Double.parseDouble(textField_3.getText());

model.addElement(from+"-"+to+": "+length);

}catch(Exception e1){

JOptionPane.showMessageDialog(null, "距离为数字值");

}

}

if(e.getActionCommand().equals("删除")){

for(int i = 0 ; i model.size() ; i++){

if(list.isSelectedIndex(i))

model.remove(i);

}

}

if(e.getActionCommand().equals("显示路径")){

try{

model_1.removeAllElements();

GPS gps = new GPS();

String full,from,to;

double length;

for(int i = 0 ; i model.size() ; i++){

full = model.get(i).toString();

from = full.substring(0,full.indexOf("-"));

to = full.substring(full.indexOf("-")+2,full.lastIndexOf(":"));

length = Double.parseDouble(full.substring(full.indexOf(":")+1, full.length()-1));

//System.out.println(from);

//System.out.println(to);

try {

gps.graph.addEdge(from, to, length);

System.out.println(from +" "+ to);

} catch (CircuitException e1) {

System.out.println("有环存在");

}

}LinkedList list = gps.graph.getPath(textField_4.getText(), textField_5.getText());

model_1.addElement(textField_4.getText());

for(int i = 0 ; i list.size() ; i++){

model_1.addElement(list.get(i));

}//计算路径长度

textField_1.setText(""+gps.graph.gap);

}catch(Exception e1){

JOptionPane.showMessageDialog(null, "没有找到有关节点");

}

}

}

}

相关问答

Q1: java数据结构 gui编程。效果图在下面。有大神会么？跪求源代码！也不需要完全跟图一样。能实现功

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

import javax.swing.event.*;

public class DSExample {

    public static void main(String[] args) {

        EventQueue.invokeLater(new Runnable(){

            @Override public void run(){

                final JFrame frame = new JFrame("Java数据结构");

                frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

                final Box hbox = Box.createHorizontalBox();

                final JButton stackButton = new JButton("堆栈");

                final JButton queueButton = new JButton("队列");

                final JButton stringButton = new JButton("串");

                final JButton recurButton = new JButton("递归");

                final JButton treeButton = new JButton("树");

                final JButton graphButton = new JButton("图");

                final JButton opButton = new JButton("数据操作");

                final JButton expButton = new JButton("表达式");

                hbox.add(stackButton);

                hbox.add(queueButton);

                hbox.add(stringButton);

                hbox.add(recurButton);

                hbox.add(treeButton);

                hbox.add(graphButton);

                hbox.add(opButton);

                hbox.add(expButton);

                final Box vbox = Box.createVerticalBox();

                vbox.add(new JLabel("代码区域"));

                final JTextArea codeArea = new JTextArea();

                vbox.add(new JScrollPane(codeArea));

                final JPanel opPanel = new JPanel(new GridLayout(4,2));

                final JButton pushButton = new JButton("数据入队");

                final JButton popButton = new JButton("数据出队");

                final JButton headButton = new JButton("队头元素");

                final JButton tailButton = new JButton("队尾元素");

                final JTextField pushData = new JTextField();

                final JTextField popData = new JTextField();

                final JTextField headData = new JTextField();

                final JTextField tailData = new JTextField();

                opPanel.add(pushData);

                opPanel.add(pushButton);

                opPanel.add(popData);

                opPanel.add(popButton);

                opPanel.add(headData);

                opPanel.add(headButton);

                opPanel.add(tailData);

                opPanel.add(tailButton);

                opPanel.setBorder(BorderFactory.createTitledBorder("操作"));

                frame.add(hbox, BorderLayout.PAGE_START);

                frame.add(opPanel, BorderLayout.LINE_END);

                frame.add(vbox, BorderLayout.CENTER);

                frame.pack();

                frame.setVisible(true);

            }

        });

    }

}

Q2: 数据结构 java

应该是char

public void outprint( ) { // 本方法调用后输出的结果是什么？

Queue Q=new Queue();

String x=”e” , y=”c”;

Q. enqueue (“h”);

Q. enqueue (“r”);

Q. enqueue (y); //到此，Q中元素：'h'、'r'、'c'

x=(String)Q. dequeue (); //'h'出去，x='h'，Q中元素：'r'、'c';

Q. enqueue (x); //x进去，Q中元素：'r'、'c'、'h

x=(String)Q. dequeue (); //'r'出去，x='r'，Q中元素：'c'、'h'

Q. enqueue (“a”); //'a'进去，Q中元素：'c'、'h'、'a'

while(!Q.isEmpty()){

y =(String)Q. dequeue ();

System.out.print(y); } //所以，while循环应打印出cha

System.out.println(x); //x='r'，最终输出char

}

Q3: 关于数据结构（java）的一个代码

描述栈抽象数据类型的SStack接口的声明

public interfaceSStackE //栈接口

{

boolean isEmpty(); //判断是否空栈，若空栈返回true

boolean push(E element); //元素element入栈，若操作成功返回true

E pop(); //出栈，返回当前栈顶元素，若栈空返回null

E get(); //取栈顶元素值，未出栈，若栈空返回null

}

顺序栈类具体操作方法的声明：

importdataStructure.linearList.SStack;

public classSeqStackE implements SStackE

//顺序栈类

{

private Object value[]; //存储栈的数据元素

private int top; //top为栈顶元素下标

public SeqStack(int capacity) //构造指定容量的空栈

{

this.value = newObject[Math.abs(capacity)];

this.top=-1;

}

public SeqStack() //构造默认容量的空栈

{

this(10);

}

public boolean isEmpty() //判断是否空栈，若空栈返回true

{

return this.top==-1;

}

public boolean push(E element) //元素element入栈，若操作成功返回true

{

if (element==null)

return false; //空对象（null）不能入栈

if (this.top==value.length-1) //若栈满，则扩充容量

{

Object[] temp = this.value;

this.value = newObject[temp.length*2];

for (int i=0; itemp.length;i++)

this.value[i] = temp[i];

}

this.top++;

this.value[this.top] = element;

return true;

}

public E pop() //出栈，返回当前栈顶元素，若栈空返回null

{

if (!isEmpty())

return (E)this.value[this.top--];

else

return null;

}

public E get() //取栈顶元素值，未出栈，栈顶元素未改变

{

if (!isEmpty())

return (E)this.value[this.top];

else

return null;

}

public String toString() //返回栈中各元素的字符串描述

{

String str="{";

if (this.top!=-1)

str +=this.value[this.top].toString();

for (int i=this.top-1; i=0; i--)

str += ","+this.value[i].toString();

return str+"} ";

}

实例引用public static void main(String args[])

{

SeqStackString stack = newSeqStackString(20);

System.out.print("Push: ");

char ch='a';

for(int i=0;i5;i++)

{

String str =(char)(ch+i)+"";

stack.push(str);

System.out.print(str+" ");

}

System.out.println("\n"+stack.toString());

System.out.print("Pop : ");

while(!stack.isEmpty()) //全部出栈

System.out.print(stack.pop().toString()+" ");

System.out.println();

}

Q4: java数据结构

对于栈，我给你总结下：

栈（stack）：限定仅在表尾进行插入或删除操作的线。

表尾-栈顶（top），表头-栈底（bootom）

特点：先进后出（filo），或后进先出（lifo）。

至于你的问题实现代码如下（复制可以直接使用）：

public static void main(String[] args) {

StackNumber a = new StackNumber();

a.add(1);

a.add(2);

a.add(3);

a.add(4);

StackNumber b = new StackNumber();

b.add(5);

b.add(6);

b.add(7);

b.add(8);

//上面是给栈a、b添加元素

//下面两个for循环可以分别遍历出栈a、b

for (int i = 0; i a.size(); i++) {

System.out.println(a.get(i));

}

System.out.println("--------------------");

for (int i = 0; i b.size(); i++) {

System.out.println(b.get(i));

}

System.out.println("--------------------");

//将 A 中的 4转移到 B中去 然后把 3 POP出来

//第一步：先将A中的4抛出来(现在4是在栈顶，可以直接抛出，如果不在栈顶，则要另写方法)

/*这句可以取到元素“4”在栈中的位置，然后移除

* Number log= a.search(4);

System.out.println("CCC"+log);

a.remove(a.search(3));*/

a.pop();

//将元素4加载到B栈

b.push(4);

//第二步：把 3 POP出来

a.pop();

for (int i = 0; i a.size(); i++) {

System.out.println(a.get(i));

}

System.out.println("--------------------");

for (int i = 0; i b.size(); i++) {

System.out.println(b.get(i));

}

System.out.println("--------------------");

}

Q5: 算法 数据结构编程（java语言）

private void sort(int[] list)

{

int[] sortlist=new int[21];

for(int i=1;i=20;i++)

sortlist[i]=-1;

for(int i=0;ilist.Length;i++)

{

sortlist[list[i]]=list[i];

}

for(int i=0;isortlist.Length;i++)

{

if(sortlist[i]!=-1)

{

输出sortlist[i];

}

}

因为已知最大值，所以遍历算法计算次数为常数，所以算法复杂度为1