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)
举一反三
- 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 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
- Which code, inserted at line 15, allows the class Sprite to compile?() A: Foo{public int bar(){return 1;}} B: new Foo{public int bar(){return 1;}} C: new Foo(){public int bar(){return 1;}} D: new class Foo{public int bar(){return 1;}}
- 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:
- Which two methods, inserted individually, correctly complete the Three class?() A: public void foo(){ } B: public int foo(){return 3;} C: public Two foo(){return this;} D: public One foo(){return this;} E: public Object foo(){return this;}
内容
- 0
关于下列代码说法正确的是( ) public class Foo{ public int add(int a,int b){ return a+b; } public static void main(String[] args){ Foo foo = null; System.out.println(foo.add(10,20)); } }
- 1
中国大学MOOC: 当n = 5时,下列函数的返回值是:( ) int foo(int n) { if (n < 2) return n; return foo(n - 1) + foo(n - 2);}
- 2
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)
- 3
以下程序代码执行后,哪个说法正确?int index = 1;boolean[] test =new Boolean[3];boolean foo=test [index]; A: 无法编译 B: foo的值是true C: foo的值是false D: foo的值是0
- 4
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)