<span style="font-size:18px;">package com.test;
public class test {
public static String[] split(String str, int chars){
int n = (str.length()+ chars - 1)/chars;
String ret[] = new String[n];
for(int i=0; i<n; i++){
if(i < n-1){
ret[i] = str.substring(i*chars , (i+1)*chars);
}
else{
ret[i] = str.substring(i*chars);
}
}
return ret;
}
public static void main(String[] args) {
String s="abcdefghij";
for(String s1:split(s, 2)){
System.out.println(s1);
}
}
}</span>
<span style="font-size:18px;">输出结果:</span>
<span style="font-size:18px;">ab
cd
ef
gh
ij
</span>