class A {
    private void test(Object obj) {
        String temp = (String) obj;
        if (obj instanceof String) {
            System.out.println(temp.trim());
            System.out.println(temp.trim());
            System.out.println(temp.trim());
        }
        if (obj instanceof String) {
            System.out.println(temp.trim());
            System.out.println(temp.trim());
            System.out.println(temp.trim());
        }
    }
}