operatearray.java

some example source of java,for beginner.inside there are a lot of sample examples

package example3;

import java.io.*;

public class OperateArray {
  public static void main(String[] args)throws IOException {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    System.out.println(isMail(br.readLine()));
  }
  private static boolean isMail(String sPara) {
    String[] sMail = {
        "@", "."};
    for (int i = 0; i < sMail.length; i++) {
      if (sPara.indexOf(sMail[i]) == -1) {
        return false;
      }
    }
    return true;
  }
}