Value: 3
Value: 8
Value: 13
Compilation fails.
The code runs with no output.
An exception is thrown at runtime.
第1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2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 { void foo() {} } class Two extends One { //insert method here } Which three methods, inserted individually at line 14, will correctly complete class Two?()
第5题:
package foo; public class Outer { public static class Inner { } } Which statement is true?()
第6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.⑧
D.④
第7题:
Given: 3.public class MyTagHandler extends TagSupport { 4.public int doStartTag() { 5.// insert code here 6.// return an int 7.} 8.// more code here ... 18.} There is a single attribute foo in the session scope. Which three code fragments,inserted independently atline 5,return the value of the attribute?()
第8题:
A.int foo() { /* more code here */ }
B.void foo() { /* more code here */ }
C.public void foo() { /* more code here */ }
D.private void foo() { /* more code here */ }
E.protected void foo() { /* more code here */ }
第9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10题:
public class Foo { public static void main (String args) { int i = 1; int j = i++; if ((i>++j) && (i++ ==j)) { i +=j; } } } What is the final value of i?()