下面的哪些声明是合法的?
A.long n = 499
B.int i = 4L
C.float f = 1.1
D.double d = 2.3
- · 有4位网友选择 D,占比40%
- · 有3位网友选择 A,占比30%
- · 有2位网友选择 B,占比20%
- · 有1位网友选择 C,占比10%
A.long n = 499
B.int i = 4L
C.float f = 1.1
D.double d = 2.3
public interface A {}
以下哪项声明是合法的?()
A. a = new A();
B. A[] a = new A[];
C. A[] a = new A[10];
D. 以上皆错
A. DECLAREv_name,v_deptVARCHAR2(14);
B. DECLAREv_testNUMBER(5);
C. DECLAREV_MAXSALARYNUMBER(7,2)=5000;
D. DECLAREV_JOINDATEBOOLEAN:=SYSDATE;
A、#define PI 3.1415926
B、Const double PI=3.1415926
C、Const double PI 3.1415926
D、define double PI=3.1415926
B.intages=newint[100]
C.int[ages=newint[100]
D.int()ages=newint(100)
A、Const a As Single = 1.1
B、Const a As Integer = "12"
C、Const a As Double = Sin(1)
D、Const a = "OK"
A、SelectionAdapter
B、SelectionListener
C、ClickListener
D、KeyListener
为了保护您的账号安全,请在“简答题”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!