程序: class TestApp{ public static void main(String[] args){ System.out.println(multiply(2,3,4,5)); } public int multiply(int[] nums){ int result = 1; for(int x :nums) result *= x; return result; } } 程序运行后的输出是哪项?() A、 14B、 编译错误C、 120D、 24
程序: class TestApp{ public static void main(String[] args){ System.out.println(multiply(2,3,4,5)); } public int multiply(int[] nums){ int result = 1; for(int x :nums) result *= x; return result; } } 程序运行后的输出是哪项?()
- A、 14
- B、 编译错误
- C、 120
- D、 24
相关考题:
Given a Filter class definition with this method: 21.public void doFilter(ServletRequest request, 22.ServletResponse response, 23.FilterChain chain) 24.throws ServletException, IOException { 25.// insert code here 26.} Which should you insert at line 25 to properly invoke the next filter in the chain, or the target servlet if thereare no more filters?()A、chain.forward(request, response);B、chain.doFilter(request, response);C、request.forward(request, response);D、request.doFilter(request, response);
以下关于GUI容器缺省布局管理器的叙述,哪项正确?() A、JPanel容器的缺省布局管理器是FlowLayoutB、JPanel容器的缺省布局管理器是BorderLayoutC、JFrame容器的缺省布局管理器是FlowLayoutD、JFrame容器的缺省布局管理器是GridLayout
数据接收代码是否需要放在独立的线程中?()A、需要,因为数据接收过程需要等待网络数据; B、需要,因为数据接收过程与主程序在不同的类中,因此必须要不同的线程;C、不需要,因为数据接收过程采用中断方式,不需要等待; D、不需要,因为数据接收过程是自动的,无需等待;
1. public class Test { 2. public T findLarger(T x, T y) { 3. if(x.compareTo(y) 0) { 4. return x; 5. } else { 6. return y; 7. } 8. } 9. } and: 22. Test t = new Test(); 23. // insert code here Which two will compile without errors when inserted at line 23?() A、 Object x = t.findLarger(123, “456”);B、 int x = t.findLarger(123, new Double(456));C、 int x = t.findLarger(123, new Integer(456));D、 int x = (int) t.findLarger(new Double(123), new Double(456));
For which three events can web application event listeners be registered?()A、When a session is createdB、After a servlet is destroyedC、When a session has timed outD、When a cookie has been createdE、When a servlet has forwarded a requestF、When a session attribute value is changed
1. public class A { 2. public String doit(int x, int y) { 3. return “a”; 4. } 5. 6. public String doit(int... vals) { 7. return “b”; 8. } 9. } Given: 25. A a=new A(); 26. System.out.println(a.doit(4, 5)); What is the result?() A、 Line 26 prints “a” to System.out.B、 Line 26 prints „b” to System.out.C、 An exception is thrown at line 26 at runtime.D、 Compilation of class A will fail due to an error in line 6.