以下代码输出结果为?class Test{ public static void main(String[] args) { StringBuffer a = new StringBuffer("Runoob"); StringBuffer b = new StringBuffer("Google"); a.delete(1,3); a.append(b); System.out.println(a); }}
(A)oobGoogle
(B)RoobGoogle
(C)RuoobGoogle
(D)RuobGoogle
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