java是要使用的正确图表
我想问一下,对于我的这个项目,什么是正确的UML图。 这是一个Android应用程序。 UML图:
- 类图
- 对象图
- 用例图
- 序列图
- 协作图
- 状态图
- 活动图
- 组件图
- 部署图
以下是安卓应用程序代码(这是一款Tictatcoe游戏):
主要活动。爪哇
package com.example.sample;
import 安卓.app.Activity;
import 安卓.os.Bundle;
import 安卓.view.Menu;
import 安卓.view.View;
import 安卓.widget.Button;
import 安卓.widget.TableLayout;
import 安卓.widget.TableRow;
import 安卓.widget.TextView;
public class MainActivity extends Activity {
// Representing the game state:
private boolean noughtsTurn = false; // Who's turn is it? false=X true=O
private char board[][] = new char[3][3]; // for now we will represent the board as an array of characters
/**
* Called when the activity is first created.
*/
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
setupOnClickListeners();
resetButtons();
}
/**
* Called when you press new game.
*
* @param view the New Game Button
*/
public void newGame(View view) {
noughtsTurn = false;
board = new char[3][3];
resetButtons();
}
/**
* Reset each button in the grid to be blank and enabled.
*/
private void resetButtons() {
TableLayout T = (TableLayout) findViewById(R.id.tableLayout);
for (int y = 0; y < T.getChildCount(); y++) {
if (T.getChildAt(y) instanceof TableRow) {
TableRow R = (TableRow) T.getChildAt(y);
for (int x = 0; x < R.getChildCount(); x++) {
if (R.getChildAt(x) instanceof Button) {
Button B = (Button) R.getChildAt(x);
B.setText("");
B.setEnabled(true);
}
}
}
}
TextView t = (TextView) findViewById(R.id.TextView);
t.setText(R.string.TextView);
}
/**
* Method that returns true when someone has won and false when nobody has.<br />
* It also display the winner on screen.
*
* @return
*/
private boolean checkWin() {
char winner = '\0';
if (checkWinner(board, 3, 'X')) {
winner = 'X';
} else if (checkWinner(board, 3, 'O')) {
winner = 'O';
}
if (winner == '\0') {
return false; // nobody won
} else {
// display winner
TextView T = (TextView) findViewById(R.id.TextView);
T.setText(winner + " wins");
return true;
}
}
/**
* This is a generic algorithm for checking if a specific player has won on a tic tac toe board of any size.
*
* @param board the board itself
* @param size the width and height of the board
* @param player the player, 'X' or 'O'
* @return true if the specified player has won
*/
private boolean checkWinner(char[][] board, int size, char player) {
// check each column
for (int x = 0; x < size; x++) {
int total = 0;
for (int y = 0; y < size; y++) {
if (board[x][y] == player) {
total++;
}
}
if (total >= size) {
return true; // they win
}
}
// check each row
for (int y = 0; y < size; y++) {
int total = 0;
for (int x = 0; x < size; x++) {
if (board[x][y] == player) {
total++;
}
}
if (total >= size) {
return true; // they win
}
}
// forward diag
int total = 0;
for (int x = 0; x < size; x++) {
for (int y = 0; y < size; y++) {
if (x == y && board[x][y] == player) {
total++;
}
}
}
if (total >= size) {
return true; // they win
}
// backward diag
total = 0;
for (int x = 0; x < size; x++) {
for (int y = 0; y < size; y++) {
if (x + y == size - 1 && board[x][y] == player) {
total++;
}
}
}
if (total >= size) {
return true; // they win
}
return false; // nobody won
}
/**
* Disables all the buttons in the grid.
*/
private void disableButtons() {
TableLayout T = (TableLayout) findViewById(R.id.tableLayout);
for (int y = 0; y < T.getChildCount(); y++) {
if (T.getChildAt(y) instanceof TableRow) {
TableRow R = (TableRow) T.getChildAt(y);
for (int x = 0; x < R.getChildCount(); x++) {
if (R.getChildAt(x) instanceof Button) {
Button B = (Button) R.getChildAt(x);
B.setEnabled(false);
}
}
}
}
}
/**
* This will add the OnClickListener to each button inside out TableLayout
*/
private void setupOnClickListeners() {
TableLayout T = (TableLayout) findViewById(R.id.tableLayout);
for (int y = 0; y < T.getChildCount(); y++) {
if (T.getChildAt(y) instanceof TableRow) {
TableRow R = (TableRow) T.getChildAt(y);
for (int x = 0; x < R.getChildCount(); x++) {
View V = R.getChildAt(x); // In our case this will be each button on the grid
V.setOnClickListener(new PlayOnClick(x, y));
}
}
}
}
/**
* Custom OnClickListener for Noughts and Crosses<br />
* Each Button for Noughts and Crosses has a position we need to take into account
*
* @author Lyndon Armitage
*/
private class PlayOnClick implements View.OnClickListener {
private int x = 0;
private int y = 0;
public PlayOnClick(int x, int y) {
this.x = x;
this.y = y;
}
@Override
public void onClick(View view) {
if (view instanceof Button) {
Button B = (Button) view;
board[x][y] = noughtsTurn ? 'O' : 'X';
B.setText(noughtsTurn ? "O" : "X");
B.setEnabled(false);
noughtsTurn = !noughtsTurn;
// check if anyone has won
if (checkWin()) {
disableButtons();
}
}
}
}
}
# 1 楼答案
如果某个图表是绝对明显的,你不需要这样做
但是!在编码之后,你不再需要图表,而是很好的Javadoc
如果这不是你的代码,你想理解它,图表可以帮助你。从画更简单的开始,继续画那些你能理解的最糟糕的
如果是你的代码,你想修改它,就在你想重构的概念上画图表
# 2 楼答案
你需要使用的UML图的正确类型取决于你需要传达什么以及你的目标受众是谁
例如: 1) 如果需要显示流程级别的活动(高级别),我建议使用活动图。这有助于与技术人员、分析师和用户进行沟通
2)如果您想显示流在对象级别是如何发生的,那么序列图将更合适。在这种情况下,目标受众将是开发人员
让我们知道你的意图,我们可以迅速帮你找到最相关的答案