"change one's tune" equals to "change one's attitude". ( )

请说出下列代码的执行结果 : String s = "abcd"; String s1 = new String(s); if (s = = s1) System.out.println("the same"); if (s.equals(s1)) System.out.println("equals");

下列代码段执行后的结果是 StringBuffer s=new StringBuffer("Hello"); if((s.length()>=5)&&(s.append("there").equals("False"))) s.replace(0,6,"False"); System.out.println(s);

If the elasticity equals -10，the Lerner Index equals 0。01（ ）

Ohm’s Law states that current equals voltage divided by resistance. Current increases with the increase in voltage. Current decreases with the increase in resistance.

可以使用String 类的（ ）方法比较一字符串是否与字符串s相同 A: equals B: length()

If we number the alphabet as A=1, B=2, C=3, and so on, which of the following word equals 100?

"Hello".equals("hello")和"java".equals("java")的值分别是多少？

In short run the shutdown point is that point at which A: price equals marginal cost. B: average fixed cost equals marginal cost. C: average variable cost equals marginal cost. D: average total cost equals marginal cost.

To maximize profit, the monopolist produces on the ________ portion of the demand curve where ________. A: elastic; price equals marginal cost B: elastic; marginal revenue equals marginal cost C: inelastic; price equals marginal revenue D: inelastic; marginal revenue equals marginal cost