题目内容

以下的变量定义中,合法的语句是

A. float1_variable = 3.4;
B. intabc_ = 21;
C. doublea = 1 + 4e2.5;
D. shortdo = 15;

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A. class, float, main, public
B. float, boolean, int, long
C. char, extends, float, double
D. int, long, float, import

A. 1239
B. 12345
C. 会产生编译错误
D. 123+4+5

A. byteb=256;
B. double d=89L;
C. charc="a";
D. short s=8.6f;

A. char chr='abcd';
B. char chr='\uabcd';
C. char chr="abcd";
D. char chr=\uabcd;