题目详情
单选题 执行( )程序段之后将出现错误提示
A. int[ ] arr={11,21,31};for(int x:arr) System.out.println(x)
B. Object[ ] obj=new String[]{"111","2222","3333"};String [ ] str=(String[])obj
C. Object[ ] obj={"111","2222","3333"};String [ ] str=(String[])obj
D. Object[ ] arr=new Float[ ]{11.1F,22.1F,33.3F,44.44F,55.55F};for(Float x:(Float[])arr) System.out.println(x)

学科:面相对象程序设计(Java)
时间:2024-11-09 14:00:12
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