Java String包含示例

import java.lang.*;

public class StringDemo {

   public static void main(String[] args) {

      String str1 = "tutorials point", str2 = "http://";

      CharSequence cs1 = "int";



      // string contains the specified sequence of char values

      boolean retval = str1.contains(cs1);

      System.out.println("方法 returns : " + retval);



      // string does not contain the specified sequence of char value

      retval = str2.contains("_");

      System.out.println("Methods returns: " + retval);

   }

}