java求0—7所能组成的奇数个数

public class CountTest {

/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
int i = 7;
System.out.println("0—" + i + "所能组成的奇数个数：");
count(i);
}

public static int count(int num) {
if(num == 0)
return 0;
if(num == 1)
return 1;

int sum = 0;
int temp = 0;
if(num%2 == 0)
temp = num/2;
else
temp = num/2 + 1;
sum += temp;
System.out.println("1位数" + sum + "个，算法：偶数除以2；奇数除以2加1");

for(int i=0; i<num; i++) {
int temp1 = temp;
int temp2 = num-1;
boolean boo = true;
StringBuffer sb = new StringBuffer();
for(int j=0; j<i+1; j++) {
sb.append(temp2).append("*");
temp1 = temp2 * temp1;
if(boo) {
boo = false;
continue;
}