public?class?Something?{
public?static?void?main(String[]?args)?{
StringBuffer?a=new?StringBuffer("C");
StringBuffer?b=new?StringBuffer("D");
append(a,b);
System.out.println(a+","+b);
??}
?static?void?append(StringBuffer?c,StringBuffer?d){
c.append("B");
d=c;
??}
}
添加回答
舉報
0/150
提交
取消