问题:构造方法是否可以被继承?是否可以被重载?试举例。...
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问题:Which two actions protect a resource file from direct HTTP access within a web application?()A、Placing it in the /secure directoryB、Placing it in the /WEB-INF directoryC、Placing it in the /META-INF/secure directoryD、Creating a element within the deployme...
问题:HTTP中的POST和GET在下列哪些方面有区别()。...
问题:Math类用来实现什么功能?设x,y是整型变量,d是双精度型变...
问题:class TestApp{ public static void main(String[] args){ int x = 5; switch(x){ case 1: case 2: case 3: System.out.println(“一季度”); break; case 4: case 5: case 6: System.out.println(“二季度”); case 7: case 8: case 9: System.out.pri...
问题:Which statements concerning the event model of the AWT are true?() A、At most one listener of each type can be registered with a component.B、Mouse motion listeners can be registered on a List instance.C、There exists a class named ContainerEvent in package...
问题:Which two classes or interfaces provide a getSession method?()A、javax.servlet.http.HttpServletRequestB、javax.servlet.http.HttpSessionContextC、javax.servlet.http.HttpServletResponseD、javax.servlet.http.HttpSessionBindingEventE、javax.servlet.http.HttpSessio...
问题:Which of the f...
问题:Java中方法绑定有哪些形式?()A、编译时刻绑定B、运行时刻绑定C、静态绑定D、私有绑定...
问题:A developer is d...
问题:Given an HttpServletR...
问题:现有: 1. class Book { 2. private final void read() { System.out.print("book "); } 3. } 4. class Page extends Book { 5. public static void main(String [] args) { 6. // insert code here 7. } 8. private final void read() { Syst...
问题:以下有关接口的叙述错误的是哪项?() ...
问题:class TestMain {&ensp...
问题:现有: class WhileTests { public static void main (String [] args) { int X=5; while (++x4) { --x; } System.out.println( "x="+x); } } 结果是什么?() A、X=6B、X=5C、X=2D、编译失败...
问题:标签是最常用的组件,它的作用是在界面上显示一行文字,标签也可以显...
问题:5. String foo = “base”; 6. foo.substring(0,3); 7. foo.concat(“ket”) 8. Type the value of foo at line 8.()...
问题:能够遍历泛型List〈Integer〉 al中的所有...
问题:下列哪项是String的字面量?() ...
问题:现有: public class Tester { public static void main (String[] args) { intx-5; Integer xl=x; Integer x2=x; int x3=new Integer(5); system..ut.print(x1.equals(x)); system..ut.print(xl==x); system..ut.print(x2.equals(xl)); system..ut.p...