以下程序执行后哪个结果是正确的？(＇?＇字符表示一个空格)public class Base{
private void test() {
String aStr = “?One?”;
String bStr = aStr;
aStr.toUpperCase();
aStr.trim();
System.out.println(“[" + aStr + "," + bStr + "]“);
}
public static void main(String[] a) {
new Base().test();
}
}