题目内容

应用程序的main方法中有以下语句，则输出的结果是：( )。String s1="0.5", s2="12";double x=Double.parseDouble(s1);int y=Integer.parseInt(s2);System.out.println(x+y);

A. 12.5
B. 120.5
C. 12
D. 13.5

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