标签:print toc ring cut str char static oid tostring
取一个整数a从右端开始的4~7位。
public class Example32 {
public static void main(String[] args) {
cut(123456789);
}
public static void cut(long n) {
String s = Long.toString(n);
char[] c = s.toCharArray();
int j = c.length;
if (j < 7) {
System.out.println("输入错误!");
} else {
System.out.println("截取从右端开始的4~7位是:" + c[j - 7] + c[j - 6]
+ c[j - 5] + c[j - 4]);
}
}
}
标签:print toc ring cut str char static oid tostring
原文地址:http://www.cnblogs.com/qubo520/p/6955782.html