package src.whu; 
public class Yinyong
{ 
public static void main(String args[])
{ 
String str=\"1234\"; 
char ch1[]={'h','e','l','l','o'
}
; char ch2[]=
{
'h','e','l','l','o'
}
; change(str,ch1,ch2); 
System.out.println(\"str:\"+str); 
System.out.print(\"ch1:\"); 
for(int i=0;i); 
} 
System.out.println(); 
System.out.print(\"ch2:\"); 
for
(int i=0;i