京东笔试题 String s = new String("hello"); String t = new String("hello"); char[] c = new char[]{'h', 'e', 'l', 'l', 'o'}; 下列哪个是true? A. s.equal(c); B. c.equal(t); C. s == c; D. t == c; 我本地ide跑了下发现A、B都是false,C、D会报错