The ocean bottom that extends from the shoreline out to an area where there is a marked change in slope to a greater depth is the().
Given: class ClassA {} class ClassB extends ClassA {} class ClassC extends ClassA {} and: ClassA p0 = new ClassA(); ClassB p1 = new ClassB(); ClassC p2 = new ClassC(); ClassA p3 = new ClassB(); ClassA p4 = new ClassC(); Which three are valid?()
Public class Holt extends Thread{ Private String sThreadName; Public static void main(String argv[]) { Holt h=new Holt(); h.go(); Holt(){}; Holt(String s){ sThreadName=s; Public String getThreadName() { return sThreadName;} } Public void go(){ Hot first=new Hot("first"); first.start(); Hot second=new Hot("second"); second.start(); } Public void start() { For(int i=0;i<2;i++) { System.out.print(getThreadName()+i); Try{ Thread.sleep(100); }catch(Exception e){ System.out.print(e.getMessage()) ; } } } } 当编译运行上面代码时,将会出现()
Given: 11.public class MyServlet extends HttpServlet { 12.public void service(HttpServletRequest request, 13.HttpServletResponse response) 14.throws ServletException, IOException { 15.// insert code here 16.} 17.} and this element in the web application’s deployment descriptor: 302 /html/error.html Which,inserted at line 15,causes the container to redirect control to the error.html resource?()
class ClassA {} class ClassB extends ClassA {} class ClassC extends ClassA {} and: ClassA p0 = new ClassA(); ClassB p1 = new ClassB(); ClassC p2 = new ClassC(); ClassA p3 = new ClassB(); ClassA p4 = new ClassC(); Which three are valid?()
class One { public One() { System.out.print(1); } } class Two extends One { public Two() { System.out.print(2); } } class Three extends Two { public Three() { System.out.print(3); } } public class Numbers{ public static void main( String[] argv) { new Three(); } } What is the result when this code is executed?()
If the radio signal ground wave extends out for less distance than the minimum skywave distance,there is an area in which no signal is received.This is called the().
Assume the tag handler for a st:simpletag extends SimpleTagSupport. In what way can scriptlet code be used in the body of st:simple?()
import java.awt*; public class X extends Frame ( public static void main(string args) ( X x = new X (); X.pack(); x.setVisible(true); ) public X () ( setlayout (new GridLayout (2,2)); Panel p1 = new panel(); Add(p1); Button b1= new Button (“One”); P1.add(b1); Panel p2 = new panel(); Add(p2); Button b2= new Button (“Two”); P2.add(b2); Button b3= new Button (“Three”); add(b3); Button b4= new Button (“Four”); add(b4); ) ) Which two statements are true? ()
What is wrong with the following code?() class MyException extends Exception {} public class Qb4ab { public void foo() { try { bar(); } finally { baz(); } catch (MyException e) {} } public void bar() throws MyException { throw new MyException(); } public void baz() throws RuntimeException { throw new RuntimeException(); } }