Java oop：从字符串"wellcom to Beijing"中提取单词"well"和"Beijing".

//编写一个java程序，从字符串"wellcom to Beijing"中提取单词"well"和"Beijing".

package a;

public class Student{

public static void main(String[] args) {

String a="wellcom to Beijing";

String d= a.substring(0,7);/*下标一定要对*/

String c= a.substring(a.lastIndexOf(" ")

);/*下标一定要对,a.lastIndexOf(" ")表明截取空格后面的字符*/

System.out.println("提取单词well:"+d);

System.out.println("提取单词Beijing:"+c);

    }

}