📄 trycombination.java
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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();
}
*/
}
}
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