以下声明合法的是()
A、defaultStrings;
B、publicfinalstaticnativeintw()
C、abstractdoubled;
D、abstractfinaldoublehyperbolicCosine()
A、defaultStrings;
B、publicfinalstaticnativeintw()
C、abstractdoubled;
D、abstractfinaldoublehyperbolicCosine()
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
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、float aMethod(float a,float b){ }
B、public int aMethod(int a,int b)throws Exception{ }
C、public float aMethod(float p,float q){ }
D、public int aMethod(int a,int b)throws IOException{ }
A、行4与行6都将执行
B、String s2=new String(s1);
C、行6执行,行4不执行
D、行4、行6都不执行
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