62,616
社区成员
发帖
与我相关
我的任务
分享
public class StringTest {
public static void main(String[] args) {
String str = "abcdefghijk";
String newstr = getStr(str);
System.out.println(newstr);
}
static String getStr(String s) {
String newStr = new String();
// get length of string
int temp = s.length();
for (int i = 1; i < temp; i += 2) {
newStr += s.charAt(i);
}
return newStr;
}
}
public static void main(String[] args) throws Exception {
String s = "asdfbdfasfdsa";
char[] chars = s.toCharArray();
StringBuffer sb = new StringBuffer();
for(int i = 0; i < chars.length; i += 2){
sb.append(chars[i]);
}
System.out.println(sb.toString());
}