Program Modeling Flea Experiment in the small Java world

Package Com.chigoe;
House class
Class House {
private int m;//number of rows saved
private int n;//Save column Count
Private int[][] A;

Public house () {//No parameter construction method
m = 10;
n = 10;
for (int i = 0; i < m; i++)
for (int j = 0; J < N; j + +) {
A[I][J] = 0;
}
}
public house (int m,int n) {//With parameter construction method
This.m=n;this.n=n;
A=new Int[m][n];
for (int i = 0; i < m; i++)
for (int j = 0; J < N; j + +) {
A[I][J] = 0;
}
}
public int Getm () {
return m;
}
public int Getn () {
return n;
}
Public int[][] Geta () {
return A;
}
public int getelment (int i,int j) {
return A[I][J];
}
public void setelment (int i,int J,int v) {
A[i][j]=v;
}
Determine if the flea has gone through so the tiles
public Boolean Checkzero () {
for (int i = 0; i < m; i++)
for (int j = 0; J < N; j + +) {
if (a[i][j]==0) {
return true;
}
}
return false;
}
Iterating through an array
public void display () {
for (int i = 0; i < m; i++) {
for (int j = 0; J < N; j + +) {
System.out.print ("+a[i][j]+");
}
System.out.println ();//Meet a line of tiles to wrap
}
}

}

Flea class
public class Tiaozao {

private static final int up=0;
private static final int down=1;
private static final int right=2;
private static final int left=3;
private int x, y;
private int totals;//Save total number of times
Private house ahouse;//that the member variables of this class are themselves, that is, an object of their own.
Public Tiaozao (House h) {
Ahouse=h;
totals=0;
x= (int) (Math.random () *ahouse.getm ());//should be the initial location of randomly generated fleas
y= (int) (Math.random () *ahouse.getn ());

}
public int gettotals () {
return totals;
}
public boolean walk (int direction) {
System.out.println ("x=" +x+ ", y=" +y+ "direction=" +direction ");
switch (direction) {
Case Up:if (y==0) return false;
else{
Ahouse.setelment (x, Y, ahouse.getelment (x, y) +1);
Y=y-1;
return true;
}
Case Down:if (Y==AHOUSE.GETN ()-1) return false;
else{
Ahouse.setelment (x, Y, ahouse.getelment (x, y) +1);
y=y+1;
return true;
}
Case Left:if (x==0) return false;
else{
Ahouse.setelment (x, Y, ahouse.getelment (x, y) +1);
X=x-1;
return true;
}
Case Right:if (X==ahouse.getm ()-1) return false;
else{
Ahouse.setelment (x, Y, ahouse.getelment (x, y) +1);
x=x+1;
return true;
}

Default
SYSTEM.OUT.PRINTLN ("illegal movement");
return true;
}
}
public void Move () {
int nexdirection;
Boolean success;
do{
nexdirection= (int) (Math.random ());
Success=walk (nexdirection);
if (success) {
totals++;
}
}while (Ahouse.checkzero ());
}
public static void Main (string[] args) {

House Ahouse=new House (BIS);
Tiaozao atiaozao=new Tiaozao (ahouse);//object as a parameter, reference data passing
Atiaozao.move ();
Ahouse.display ();
System.out.println ("totals =" +atiaozao.gettotals ());

}

}

Program Modeling Flea Experiment in the small Java world