foo对象有att属性,那么获取att属性的值,下列错误的是<br/>() A: foo.att B: foo("att") C: foo["att"] D: foo["a"+"t"+"t"]
foo对象有att属性,那么获取att属性的值,下列错误的是<br/>() A: foo.att B: foo("att") C: foo["att"] D: foo["a"+"t"+"t"]
下面哪个程序是语法正确的? A: foo::IO() foo=do line=getLine printline B: foo::IO() foo=do letline=getLine printline C: foo::IO() foo=do letline-getLine printline D: foo::IO() foo=do line-getLine printline
下面哪个程序是语法正确的? A: foo::IO() foo=do line=getLine printline B: foo::IO() foo=do letline=getLine printline C: foo::IO() foo=do letline-getLine printline D: foo::IO() foo=do line-getLine printline
下面哪个程序是语法正确的? A: foo::IO() foo=do line-getLine n=readline::Int printn B: foo::IO() foo=do line-getLine n-readline::Int printn C: foo::IO() foo=do line-getLine letn=readline::Int printn D: foo::IO() foo=do letline=getLine letn=readline::Int printn
下面哪个程序是语法正确的? A: foo::IO() foo=do line-getLine n=readline::Int printn B: foo::IO() foo=do line-getLine n-readline::Int printn C: foo::IO() foo=do line-getLine letn=readline::Int printn D: foo::IO() foo=do letline=getLine letn=readline::Int printn
下面哪个程序是语法类型正确的? A: foo::IO() foo=do line-getLine letn=readline::Int putStrLnn B: foo::IOString foo=do line-getLine letn=readline::Int putStrLnline C: foo::IO() foo=do line-getLine letn=readline::Int putStrLnn D: foo::IO() foo=do line-getLine letn=readline::Int putStrLn(shown)
下面哪个程序是语法类型正确的? A: foo::IO() foo=do line-getLine letn=readline::Int putStrLnn B: foo::IOString foo=do line-getLine letn=readline::Int putStrLnline C: foo::IO() foo=do line-getLine letn=readline::Int putStrLnn D: foo::IO() foo=do line-getLine letn=readline::Int putStrLn(shown)
在JavaScript中每隔一秒调用函数 foo( ) ,下面哪种方法是正确的? A: setInterval("foo( )",1000) B: clearInteval("foo( )",1000) C: clearTimeout("foo( )",1000) D: setTimeout("foo( )",1000)
在JavaScript中每隔一秒调用函数 foo( ) ,下面哪种方法是正确的? A: setInterval("foo( )",1000) B: clearInteval("foo( )",1000) C: clearTimeout("foo( )",1000) D: setTimeout("foo( )",1000)
def foo(): y = "local" foo() print(y)
def foo(): y = "local" foo() print(y)
读代码: public class Test { public static void main (String args[]) { class Foo { public int i = 3; } Object o = (Object) new Foo(); Foo foo = (Foo)o; System.out.println(foo.i); } } 结果是:
读代码: public class Test { public static void main (String args[]) { class Foo { public int i = 3; } Object o = (Object) new Foo(); Foo foo = (Foo)o; System.out.println(foo.i); } } 结果是:
选择具有att属性且属性值为包含val的字符串的E元素的选择符是() A: E[att="val"] B: E[att~="val"] C: E[att*="val"] D: E[att|="val"]
选择具有att属性且属性值为包含val的字符串的E元素的选择符是() A: E[att="val"] B: E[att~="val"] C: E[att*="val"] D: E[att|="val"]
关于函数定义,以下形式错误的是______。 A: def foo(*a,b) B: def foo(a,*b) C: def foo(a,b) D: def foo(a,b=10)
关于函数定义,以下形式错误的是______。 A: def foo(*a,b) B: def foo(a,*b) C: def foo(a,b) D: def foo(a,b=10)
CSS3中新增了3种属性选择器:E[att^=value]、E[att$=value]和E[att*=value]。()
CSS3中新增了3种属性选择器:E[att^=value]、E[att$=value]和E[att*=value]。()