trycombination.java

来自「一款少见的用swt写的彩票软件」· Java 代码 · 共 70 行

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

public class TryCombination{
	public static void main(String[] args){
		
		System.out.println("对整数数组进行组合:C(n,n)");
		int[] intArray=new int[4];
		for(int i=0;i<intArray.length;i++){
			intArray[i]=i+1;
		}
		/*
		System.out.println("对整数数组进行组合:C(4,4)");
		Combination intCombination1=new Combination(intArray.length);
		while(intCombination1.hasMore()){
			int[] index=intCombination1.getNext();
			for(int i=0;i<intArray.length;i++){
				if(index[i]!=0){
					System.out.print(intArray[index[i]*i]+" ");
				}				
			}
			System.out.println();
		}
		*/
		System.out.println("对整数数组进行组合:C(4,3)");
		Combination intCombination2=new Combination(intArray.length,3);
		while(intCombination2.hasMore()){
			int[] index=intCombination2.getNext();
			System.out.println();
			System.out.print("得到组合数为:");
			for(int i=0;i<intArray.length;i++){
				
				if(index[i]!=0){
					System.out.println("i值变化为:"+i);
					//System.out.print(intArray[index[i]*i]+" ");
				}				
			}
			System.out.println();
		}
		
		/*
		String str="abcd";
		char[] chArray=str.toCharArray();
		
		System.out.println("对字符数组进行组合:C(4,4)");
		Combination strCombination1=new Combination(chArray.length);
		while(strCombination1.hasMore()){
			int[] index=strCombination1.getNext();
			for(int i=0;i<chArray.length;i++){
				if(index[i]!=0){
					System.out.print(chArray[index[i]*i]+" ");
				}
			}
			System.out.println();
		}
		
		System.out.println("对字符数组进行组合:C(4,3)");
		Combination strCombination2=new Combination(chArray.length,3);
		while(strCombination2.hasMore()){
			int[] index=strCombination2.getNext();
			for(int i=0;i<chArray.length;i++){
				if(index[i]!=0){
					System.out.print(chArray[index[i]*i]+" ");
				}
			}
			System.out.println();
		}
		*/
	} 
}