以下输出结果的是( ) public class Test { public static void main(String args[]){ String str="ABCDE"; str.substring(3); str.concat("XYZ"); System.out.print(str); } }
【简答题】I. Words to Practice. F ill in the blanks with the words given below. Change the form where necessary. extend overcome relief dawn continue invisible define offer 1 The birds start ...
【简答题】回答下列各题 The Uses of Difficulty The brain likes a challenge—and putting a few obstacles in its way may well boost its creativity. [A] Jack White, the former frontman of the White Stripes and an influent...