static char[] a = {'a','b','c','d','e'};
/**
*
*/
public static void main(String[] args)
{
// TODO Auto-generated method stub
perm(a, 0);
}
public static void perm(char[] a,int begin)
{
if (begin==a.length-1)
{
for (char c : a)
{
System.out.print(c+" ");
}
System.out.println();
}
for(int i = begin;i<a.length;i++)
{
char temp = a[i];
a[i] = a[begin];
a[begin] = temp;
perm(a, begin+1);
temp = a[i];
a[i] = a[begin];
a[begin] = temp;
}