本文实例讲述了java实现的海盗算法。分享给大家供大家参考，具体如下：
前面介绍了《C#实现的海盗分金算法》，这里再给出一个Java优化版的算法：
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package unit4;
public class Pirate{
private String name;
private int[] schemes;
private int index;
public Pirate(int t,int i) {
name="unknow";
index=i;
schemes=makeSchemes(t);
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getIndex(){return index;}
public int[] getSchemes() {return schemes;}
public int handvote(int table[]) {
return myhandvote(table,index);
}
private int myhandvote(int []t,int i) {
if(t[i]==0) return 0;
if(i==1) return 0;
return 1;
}
public int[] makeSchemes(int t) {
int vote=0;
schemes =new int[t-index];
do{
for(int i=0;i<schemes.length;i++){
schemes[i]=(i+1)%2;
}
for(int i=0;i<schemes.length;i++){
vote=vote+myhandvote(schemes,i);
}
}while(!(2*vote>t/2));
return schemes;
}
}
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package unit4;
public class Judger {
int[] allot;
Pirate[] pirates;
public Judger(Pirate []pirates,int[]a) {
this.pirates=pirates;
allot=a;
}
public int[] getAllot() {
return allot;
}
public void setAllot(int[] allot) {
this.allot = allot;
}
public Pirate[] getPirates() {
return pirates;
}
public void setPirates(Pirate[] pirates) {
this.pirates = pirates;
}
public boolean evaluate(){
int vote=0;
for(int i=0;i<pirates.length;i++){
vote+=pirates[i].handvote(allot);
}
if(2*vote>=pirates.length) return true;
else return false;
}
}
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package unit4;
public class MaxInterest {
public static void main(String[] args) {
int piratecounts=5;
Pirate[]pirates=new Pirate[piratecounts];
for(int i=0;i<piratecounts;i++){
pirates[i]=new Pirate(piratecounts,i);
pirates[i].setName("name"+i);
}
int[]table =pirates[0].getSchemes();
Judger ajudge=new Judger(pirates,table);
if(ajudge.evaluate()){
int[]scheme=ajudge.getAllot();
for(int i=0;i<scheme.length;i++) System.out.println(" "+scheme[i]);
}
}
}
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希望本文所述对大家java程序设计有所帮助。