Double d = Math.cos(42);
Double d = Math.cosine(42);
Double d = Math.cos(Math.toRadians(42));
Double d = Math.cos(Math.toDegrees(42));
Double d = Math.cosine(Math.toRadians(42));
第1题:
下列哪个选项是正确计算42°(角度)的余弦值?
A.double d=Math.cos(42);
B.double d= Math.cosine(42);
C.double d=Math.cos(Math.toRadians(42));
D.double d=Math.cos(Math.toDcgrees(42));
第2题:
下列( )选项是正确计算42度(角度)的余弦值。
A.doubled=Math.cos(42);
B.doubled=Math.cosine(42);
C.doubled=Math.cos(Math.toRadians(42));
D.doubled=Math.cos(Math.toDegrees(42));
第3题:
下列哪个选项是正确计算42度(角度)的余弦值?
A.double d=Math.cos(42);
B.double d=Math.cosine(42);
C.double d=Math.cos(Math.toRadians(42) );
D.double d=Math.cos(Math.toDegrees(42) );
第4题:
Which will declare a method that is available to all members of the same package and be referenced without an instance of the class?()
第5题:
Which two are valid declarations within an interface definition?()
第6题:
Integer i = new Integer (42); Long 1 = new Long (42); Double d = new Double (42.0); Which two expressions evaluate to True?()
第7题:
Which method is an appropriate way to determine the cosine of 42 degrees?()
第8题:
Which will declare a method that is available to all members of the same package and can be referenced without an instance of the class?()
第9题:
Public double methoda();
Static void methoda (double d1) {}
Public native double methoda();
Abstract public void methoda();
Protected void methoda (double d1){}
第10题:
long,double,int
long,float,int
int,double,long
int,float,long
第11题:
abstract public void methoda ();
public abstract double inethoda ();
static void methoda (double dl) {}
public native double methoda () {}
protected void methoda (double dl) {}
第12题:
Abstract public void methoda();
Public abstract double methoda();
Static void methoda(double d1){}
Public native double methoda(){}
Protected void methoda(double d1){}
第13题:
下列能正确计算45°的余弦值的是( )。
A.double d=Math.cos(45);
B.double d=Math.cosine(45);
C.double d=Math.cos (Math.toRadians(45));
D.double d=Math.cos (Math.toDegress(45));
第14题:
字面常量42、4.2、42L的数据类型分别是( )。
A.long,double、int
B.lon9、float、int
C.int、double、long
D.int、float、long
第15题:
字面常量42、4.2、42L的数据类型分别是( )。
A.long,double,int
B.long,float,int
C.int,double,long
D.int,float,long
第16题:
Given: Integer i = new Integer (42); Long l = new Long (42); Double d = new Double (42.0); Which two expression evaluate to true?()
第17题:
Which of the following assignment is not correct?()
第18题:
若程序中定义了以下函数 double myadd(double a,double b) { return(a+b); } 并将其放在调用语句之后,则在调用之前应该对该函数进行说明,以下选项中错误的说明是()
第19题:
Which will declare the method that forces a subclass to implement it?()
第20题:
d >= 1.0
0.0 <= d < 1.0
0.0 <= d < Double.MAX_VALUE
0.0 <= d <= Double.MAX_VALUE
Double.MIN_VALUE <= d < Double.MAX_VALUE
第21题:
(i = = l)
(i = = d)
(d = = l)
(i.equals(d))
(i.equals(i))
(i.equals(42))
第22题:
Double d = Math.cos(42);
Double d = Math.cosine(42);
Double d = Math.cos(Math.toRadians(42));
Double d = Math.cos(Math.toDegrees(42));
Double d = Math.cosine(Math.toRadians(42));
第23题:
float f = 11.1;
double d = 5.3E12;
double d = 3.14159;
double d = 3.14;.
第24题:
(i ==1)
(i == d)
(d == 1)
(i.equals (d))
(d.equals (i))
(i.equals (42))