如下代码定义了一个类Test: class Test { private int y; Test (int x) { y:x; } }现在为Test 类生成一个对象,正确的语句是( )。 A: Test t = new Test( ); B: Test t=new Test(10, 20); C: Test t; D: Test t=new Test(10);
如下代码定义了一个类Test: class Test { private int y; Test (int x) { y:x; } }现在为Test 类生成一个对象,正确的语句是( )。 A: Test t = new Test( ); B: Test t=new Test(10, 20); C: Test t; D: Test t=new Test(10);
已有如下程序: public class Test{ public Test(int x,int y,int z){.....} } 下面哪些方法是合法的构造方法重载:( ) A: Test(){} B: int Test(){} C: Test(int x,int y,byte z){} D: void Test(int x,int y,int z){}
已有如下程序: public class Test{ public Test(int x,int y,int z){.....} } 下面哪些方法是合法的构造方法重载:( ) A: Test(){} B: int Test(){} C: Test(int x,int y,byte z){} D: void Test(int x,int y,int z){}
以下是"public static void test(int x, int y)"的方法重载( ) A: public static void Test(int x) B: public static int test(int x, int y) C: public static void test(int y, int x) D: public static void test(int x, int y)
以下是"public static void test(int x, int y)"的方法重载( ) A: public static void Test(int x) B: public static int test(int x, int y) C: public static void test(int y, int x) D: public static void test(int x, int y)
(6-6)请阅读程序,写出程序运行结果。 class Test{ static int x=10; int y=99; { y=y+10; } static { x=x+5; } { y=y+10; } static { x=x+5; } public Test() {//构造方法 x=x+5; } { System.out.println(x*y); } } public class Demo11 { public static void main(String[] args) { Test t1=new Test(); Test t2=new Test(); } }
(6-6)请阅读程序,写出程序运行结果。 class Test{ static int x=10; int y=99; { y=y+10; } static { x=x+5; } { y=y+10; } static { x=x+5; } public Test() {//构造方法 x=x+5; } { System.out.println(x*y); } } public class Demo11 { public static void main(String[] args) { Test t1=new Test(); Test t2=new Test(); } }
下面是关于结构类型与变量的定义语句,错误的是________。 A: struct test{int a; int b; int c;}; struct test y; B: struct test{ int a; int b; int c;} struct test y; C: struct test{ int a; int b; int c;} y; D: struct { int a; int b; int c;} y;
下面是关于结构类型与变量的定义语句,错误的是________。 A: struct test{int a; int b; int c;}; struct test y; B: struct test{ int a; int b; int c;} struct test y; C: struct test{ int a; int b; int c;} y; D: struct { int a; int b; int c;} y;
以下程序的输出结果是:( )fo = open("text.txt",'w+')x,y ='this is a test','hello'fo.write('{}+{}\n'.format(x,y))print(fo.read())fo.close() A: this is a test hello B: this is a test C: this is a test,hello. D: this is a test+hello
以下程序的输出结果是:( )fo = open("text.txt",'w+')x,y ='this is a test','hello'fo.write('{}+{}\n'.format(x,y))print(fo.read())fo.close() A: this is a test hello B: this is a test C: this is a test,hello. D: this is a test+hello
(06-03)在Java中,以下程序编译运行后的输出结果为( )。 public class Test { int x, y; Test(int x, int y) { this.x = x; this.y = y; } public static void main(String[] args) { Test pt1, pt2; pt1 = new Test(3, 3); pt2 = new Test(4, 4); System.out.print(pt1.x + pt2.x); } }
(06-03)在Java中,以下程序编译运行后的输出结果为( )。 public class Test { int x, y; Test(int x, int y) { this.x = x; this.y = y; } public static void main(String[] args) { Test pt1, pt2; pt1 = new Test(3, 3); pt2 = new Test(4, 4); System.out.print(pt1.x + pt2.x); } }
有如下程序:#includeusing namespace std;Class Testpublic:Test()Test(const Test&t)cout<<1;);Test fun(Test &u)Test t=u;retum t;int main()Test X,y;x=fun(y);retum 0;运行这个程序的输出结果是()。 A: 无输出 B: 1 C: 11 D: 111
有如下程序:#includeusing namespace std;Class Testpublic:Test()Test(const Test&t)cout<<1;);Test fun(Test &u)Test t=u;retum t;int main()Test X,y;x=fun(y);retum 0;运行这个程序的输出结果是()。 A: 无输出 B: 1 C: 11 D: 111
下列代码的运行结果是______ <script> var x = 1; function test() { var x = 2; y = 3; document.write(x); } test(); document.write(x); document.write(y); </script>
下列代码的运行结果是______ <script> var x = 1; function test() { var x = 2; y = 3; document.write(x); } test(); document.write(x); document.write(y); </script>
阅读以下程序,写出运行结果。 #include using namespace std; class Test { private: int num; public: Test(); Test(int n); }; Test::Test() { cout << "Init defa" << endl; num = 0; } Test::Test(int n) { cout << "Init" << " " << n << endl; num = n; } int main() { Test x[2]; Test y(15); return 0; }
阅读以下程序,写出运行结果。 #include using namespace std; class Test { private: int num; public: Test(); Test(int n); }; Test::Test() { cout << "Init defa" << endl; num = 0; } Test::Test(int n) { cout << "Init" << " " << n << endl; num = n; } int main() { Test x[2]; Test y(15); return 0; }