建筑物及其附属设施的费用分摊、收益分配等事项,有约定的,按照约定;没有约定或者约定不明确的,怎么确定()
A. 按照总户数每户平均分摊
B. 按照每户落户人数占落户总人数的比例
C. 按照每套房屋价格占所有房屋总价格的比例
D. 按照业主专有部分占建筑物总面积的比例
Given this method in a class: public String toString() { StringBuffer buffer = new StringBuffer(); buffer.append(‟ buffer.append(this.name); buffer.append(‟>‟); return buffer.toString(); } Which is true?()
A. This code is NOT thread-safe.
B. The programmer can replace StringBuffer with StringBuilder with no other changes.
C. This code will perform well and converting the code to use StringBuilder will not enhance the performance.
D. This code will perform poorly. For better performance, the code should be rewritten: return “”;