给出以下代码,请问以下哪些语句放置在第六行会引起编译错误?( )1.class Super{2.public float getNum(){return 3.0f;}3.}4.5.public class Sub extends Super{6.7}请选择一个正确答案。 A: (1)public float getNum() {return 4.0f;} B: (2)public void getNum(){} C: (3) public void getNumdouble (){} D: (4)public double getNumfoat (){return 4.0d;}
给出以下代码,请问以下哪些语句放置在第六行会引起编译错误?( )1.class Super{2.public float getNum(){return 3.0f;}3.}4.5.public class Sub extends Super{6.7}请选择一个正确答案。 A: (1)public float getNum() {return 4.0f;} B: (2)public void getNum(){} C: (3) public void getNumdouble (){} D: (4)public double getNumfoat (){return 4.0d;}
将main方法声明为public static void main(String[]args),它可以被下面的一行替换吗? 1. public static void main(String args[]) 2.public static void main(String[] x) 3.public static void main(String x[]) 4.static void main(String x[])
将main方法声明为public static void main(String[]args),它可以被下面的一行替换吗? 1. public static void main(String args[]) 2.public static void main(String[] x) 3.public static void main(String x[]) 4.static void main(String x[])
public class Test{ public static void main(String[] args){ System.out.println(5/2); } }
public class Test{ public static void main(String[] args){ System.out.println(5/2); } }
阅读以下程序class A{protected: int a=0;public: A(){a=1;}};class B:virtual public A{public: B(){a++;}};class C:virtual public A{public: C(){a+=2;}};class D:public B,public C{public: void print(){ cout< A: 0 B: 1 C: 3 D: 4
阅读以下程序class A{protected: int a=0;public: A(){a=1;}};class B:virtual public A{public: B(){a++;}};class C:virtual public A{public: C(){a+=2;}};class D:public B,public C{public: void print(){ cout< A: 0 B: 1 C: 3 D: 4
2 How many public houses are there in England?
2 How many public houses are there in England?
下列代码的执行结果是public class Beirun{ public static void main(String args[]){ System.out.println(5/2); } }() A: 2 B: 2.50 C: 2.5 D: 2
下列代码的执行结果是public class Beirun{ public static void main(String args[]){ System.out.println(5/2); } }() A: 2 B: 2.50 C: 2.5 D: 2
下面程序的运行结果( )public class Demo{public static int fun(int c){return c+=2;}public static void main(String[] args){int temp=fun(2);System.out.println(temp);}} A: 2 B: 4 C: 6 D: 8
下面程序的运行结果( )public class Demo{public static int fun(int c){return c+=2;}public static void main(String[] args){int temp=fun(2);System.out.println(temp);}} A: 2 B: 4 C: 6 D: 8
以下程序的运行结果是:( )public class Increment{ public static void main(String args[]){ int c; c = 2; System.out.println(c); System.out.println(c++); System.out.println(c); } } A: 2 2 2 B: 2 3 3 C: 2 2 3 D: 3 4 4
以下程序的运行结果是:( )public class Increment{ public static void main(String args[]){ int c; c = 2; System.out.println(c); System.out.println(c++); System.out.println(c); } } A: 2 2 2 B: 2 3 3 C: 2 2 3 D: 3 4 4
下列程序的执行结果是( )。 public class Test { public static void main(String args[]) { System.out.println(5/2); } } A: 2.5 B: 2.0 C: 2.50 D: 2
下列程序的执行结果是( )。 public class Test { public static void main(String args[]) { System.out.println(5/2); } } A: 2.5 B: 2.0 C: 2.50 D: 2
下列代码的执行结果是( )public class B { public static void main(String[] args) { System.out.println(5/2); }} A: 2.5 B: 2.0 C: 2.50 D: 2
下列代码的执行结果是( )public class B { public static void main(String[] args) { System.out.println(5/2); }} A: 2.5 B: 2.0 C: 2.50 D: 2