Java字符串替换

public class Main {

 

  public static void main(String args[]){/**N o w J a v a . c o m - 时  代  Java**/

    String str="Replace Region";

   

    System.out.println( str.replace( 'R','A' ) );

   

    System.out.println( str.replaceFirst("Re", "Ra") );

   

    System.out.println( str.replaceAll("Re", "Ra") );

 

  }
  /**来自 
   NowJava.com**/

 

}