多项选择题

Which three logical expressions evaluate to true？（）

A. （a = = c）
B. （d = = c）
C. （b = = d）
D. （a = = b）
E. （b = = c）
F. （d == 10.0）

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单项选择题

A. The program prints “lava”.
B. The program prints “java”.
C. An error at line 7 causes compilation to fail.
D. Complication succeeds but the program throws an exception.

单项选择题

} What is the result？（）

A. Compilation succeeds and 1 is printed.
B. Compilation succeeds and 2 is printed.
C. An error at line 8 causes compilation to fail.
D. An error at line 14 causes compilation to fail.