现有: class Foo { public static void main (String [] args) { int x=O; int y=4; for (int z=0; z<3; Z++; X++) { if(x>1&++y<10) y++; } System. out .println (y); } } 结果是什么?()
第1题:
有如下类定义: class Foo { public: Foo(intv):value(v){} //① ~Foo(){} //② private: Foo(){} //③ int value=0; //④ }; 其中存在语法错误的行是( )。
A.①
B.②
C.③
D.④
第2题:
package foo; public class Outer { public static class Inner { } } Which statement is true?()
第3题:
有如下类定义:
class Foo
{
public:
Foo(int v):value(v){} // ①
~Foo(){} // ②
private:
Foo(){} // ③
int value = 0; // ④
};
其中存在语法错误的行是
A . ①
B . ②
C . ③
D . ④
第4题:
class One { public One foo() { return this; } } class Two extends One { public One foo() { return this; } } class Three extends Two { // insert method here } Which two methods, inserted individually, correctly complete the Three class?()
第5题:
class One { void foo() {} } class Two extends One { //insert method here } Which three methods, inserted individually at line 14, will correctly complete class Two?()
第6题:
A developer is creating a class Book that needs to access class Paper.The Paper class is deployed in a JARnamedmyLib.jar.Whichthree,taken independently,will allow the developer to use the Paper class while compiling the Book class?()
第7题:
public class Base { public static final String FOO = “foo”; public static void main(String[] args) { Base b = new Base(); Sub s = new Sub(); System.out.print(Base.FOO); System.out.print(Sub.FOO); System.out.print(b.FOO); System.out.print(s.FOO); System.out.print(((Base)s).FOO); } } class Sub extends Base {public static final String FOO=bar;} What is the result?()
第8题:
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; }
第9题:
package foo; public class Outer ( public static class Inner ( ) ) Which statement is true? ()
第10题:
Which statements concerning the relationships between the following classes are true?() class Foo { int num; Baz comp = new Baz(); } class Bar { boolean flag; } class Baz extends Foo { Bar thing = new Bar(); double limit; }