Question

java怎样截取一定长度的字符串

Answer 1

public static void main(String[] args) {
String ss="aaaaaaaaaaaaa";
int n=3;
String s=null;
int t=0;
int a=ss.length()/n+1;
for(int i=0;i<a;i++){
if(ss.length()>0){
t=ss.length()>n?n:ss.length();
s=ss.substring(0, t);
ss=ss.substring(t);
}
System.out.println(s);
}
}