摘要:
public class String_to_Integer { public static int myAtoi(String str) { str=str.trim(); int target=0; if(str.length()==0){ return 0; } if(str.equals(" 阅读全文
摘要:
public class Main { public static void main(String[] args) { System.out.println(reverse(-123)); } public static int reverse(int x) { long sum=0; while 阅读全文