tryboth.java

一款少见的用swt写的彩票软件

package com.dc.test;
import com.dc.common.Combination;

public class TryBoth{
	public static void main(String[] args){
		
		System.out.println("对整数数组进行部分排列: A(4,3)");
		int[] intArray=new int[4];
		for(int i=0;i<intArray.length;i++){
			intArray[i]=i+1;
		}
		
		Combination intCombination2=new Combination(intArray.length,3);
		while(intCombination2.hasMore()){
			int[] temp=new int[3];
			int[] index1=intCombination2.getNext();
			boolean zero=true;
			for(int i=0,j=0;i<intArray.length;i++){
				if(index1[i]!=0){
					zero=false;
					temp[j++]=intArray[index1[i]*i];
				}				
			}
			if(zero!=true){
				Arrange intArrange=new Arrange(temp.length);
				while(intArrange.hasMore()){
					int[] index2=intArrange.getNext();
					for(int i=0;i<temp.length;i++){
						System.out.print(temp[index2[i]]+" ");
					}
					System.out.println();
				}
			}
			
		}
		
		
		System.out.println("对字符数组进行部分排列；A(4,3)");
		String str="abc";
		char[] chArray=str.toCharArray();
		
		Arrange strArrange=new Arrange(chArray.length);
		while(strArrange.hasMore()){
			char[] temp=new char[3];
			int[] index1=strArrange.getNext();
			boolean zero=true;
			for(int i=0,j=0;i<chArray.length;i++){
				zero=false;
				temp[j++]=chArray[index1[i]];
			}
			if(zero!=true){
				Arrange intArrange=new Arrange(temp.length);
				while(intArrange.hasMore()){
					int[] index2=intArrange.getNext();
					for(int i=0;i<temp.length;i++){
						System.out.print(temp[index2[i]]+" ");
					}
					System.out.println();
				}
			}
		}
	}
}