class testString4{

    public static void main(String args[]){
        String str1 = new String(" Good Morning   ");

        System.out.println("元の文字列「" + str1 + "」");
        System.out.println("文字数は" + str1.length() + "です");

        String new_str1 = str1.trim();

        System.out.println("空白を取り除いた文字列「" + new_str1 + "」");
        System.out.println("文字数は" + new_str1.length() + "です");
    }
}