#import跟#include 又什么区别,@class呢, #import 跟 #import””又什么区别?

#import跟#include 又什么区别,@class呢, #import<> 跟 #import””又什么区别?


相关考题:

下列Java源程序结构中前三种语句的次序,正确的是A.import, package, public classB.import必为首,其他不限C.public class, import, packageD.package, import, public class

Given a class Repetition:Which code should be inserted at line 1 of Demo.java to compile and run Demo to print pizzapizza?() A.import utils.*;B.static import utils.*;C.import utils.Repetition.*;D.static import utils.Repetition.*;E.import utils.Repetition.twice();F.import static utils.Repetition.twice;G.static import utils.Repetition.twice;

下列哪个选项的java源文件代码片段是不正确的?A.package testpackage; public class Test{ }B.import java. io. *; package testpaekage; public class Test { }C.import java.io.*; class Person { } public class Test { }D.import java.io.*; import java. awt.*; public class Test{ }

下列( )选项的java源文件代码片段是不正确的。A.package testpackage; publicClass Test{}B.import java.io.*; package testpackage: publicClass Test{}C.import java.io.*; Class Person{} publicClass Test{}D.import java.io.*; import java.awt.*; publicClass Test{}

下列代码的输出结果是( )。class parent{void printme(){System.out.println("parent");}}class child extends parent{void printme(){System. out.println("child");}void printall(){super, printme();this.printme();printme();}}public class test{public static void main(String args[]){child myc=new child();myc.printall();}}A.import java.awt.*;B.import java.applet.applet;C.import java.io.*;D.import java, awt.graphics;

下列哪个选项的java源文件程序段是不正确的? ( )A.package testpackage; public class Test{ }B.import java.io.*; package testpackage; public class Test{ }C.import java.i.*; class Person{} public class Test{ }D.import java.io.*; import java.awt.*; public class Test { }

()标记可以从目标名称空间外的某个名称空间中导入一个XSD文件的内容A、<import>B、<include>C、<include>和<import>都可以D、<include>和<import>都不可以

一个程序中,package、import、和class的排放次序是()A、package、import、classB、import、package、classC、三者任意D、class在最后,import、package排放次序任意

#import跟#include的区别,@class呢?

现有包结构:  com |-- x | |-- Alpha.class | | | |-- y | |-- Beta.class | |-- Gamma.class  和类:  //insert code here  import com.*;  import com.x.y.*;  class Test { Alpha a; Beta b; Gamma c; }  哪两行分别插入后可允许代码编译?() A、package com.;B、import com.x;C、package com.x;D、import com.x.Alpha;

Every page of your web site must include a common set of navigation menus at the top of the page. Thismenu is static HTML and changes frequently,so you have decided to use JSP’s static import mechanism. Which JSP code snippet accomplishes this goal?()A、%@ import file=’/common/menu.html’ %B、%@ page import=’/common/menu.html’ %C、%@ import page=’/common/menu.html’ %D、%@ include file=’/common/menu.html’ %E、%@ page include=’/common/menu.html’ %

Which JSP standard action can be used to import content from a resource called foo.jsp?()A、jsp:import file=’foo.jsp’ /B、jsp:import page=’foo.jsp’ /C、jsp:include page=’foo.jsp’ /D、jsp:include file=’foo.jsp’ /

在单一文件中import、class和package的正确出现顺序是()A、package,import,classB、class,import,packageC、import,package,classD、package,class,import

在Java语言中,在包Package1中包含包Package2,类Class_A直接隶属于包Package1,类Class_B直接隶属于包Package2,在类Class_C要应用Class_A的方法A和Class_B的方法B,你需要()语句。A、import Package1.*;B、import Package1.Package2.*;C、import Package2.*;D、import Package2.Package1.*;

Which JSTL code snippet can be used to import content from another web resource?()A、c:import url="foo.jsp"/B、c:import page="foo.jsp"/C、c:include url="foo.jsp"/D、c:include page="foo.jsp"/

与page指令%@ page import= “java.util.*, java.text.* “ % 等价的是()。A、%@ import="“java.util.*" page=""%@ import="“java.text.*" page=""%@ import="“java.text.*" page=""%@ import="“java.util.*" page=""%@ import="“java.text.*" page=""%@ import="“java.util.*" page=""%@ page import= “java.util.* % %@ page import= “java.text.* “ % B、%@ page import= “java.util.*”  ,  import= “java.text.* “ % C、%@ page import= “java.util.* “  ;  % %@ page import= “java.text.* “  ; %D、%@ page import= “java.util.* ; java.text.* “ %

下列有关类声明的代码片段,哪一项是正确的?() A、 import java.sql.*; package school; class Student{ }B、 package school; import java.sql.*; class Student{ }C、 package school; class Student{ } import java.sql.*;D、 package school; import java.sql.*;private String name; class Student{ }

Which the JSTL code snippet can be used to import content from another web resource?()A、 c:import url=*foo.jsp”/ B、 c:import page=*foo.jsp”/ C、 c:include url=*foo.jsp”/ D、 c:include page=*foo.jsp”/ E、 Importing cannot be done in JSTL. A standard action must be used instead.

package sun.scjp;  public enum Color { RED, GREEN, BLUE }  package sun.beta;  // insert code here  public class Beta {  Color g = GREEN;  public static void main( String[] argv)  { System.out.println( GREEN); }  }  The class Beta and the enum Color are in different packages.  Which two code fragments, inserted individually at line 2 of the Beta declaration, will allow this code to compile?()A、 import sun.scjp.Color.*;B、 import static sun.scjp.Color.*;C、 import sun.scjp.Color; import static sun.scjp.Color.*;D、 import sun.scjp.*; import static sun.scjp.Color.*;E、 import sun.scjp.Color; import static sun.scjp.Color.GREEN;

Given a class Repetition:  1. package utils;  2.  3. public class Repetition {  4. public static String twice(String s) { return s + s; }  5. }  and given another class Demo:  1. // insert code here 2.  3. public class Demo {  4. public static void main(String[] args) {  5. System.out.println(twice(”pizza”));  6. }  7. }  Which code should be inserted at line 1 of Demo.java to compile and run Demo to print“pizzapizza”?() A、 import utils.*;B、 static import utils.*;C、 import utils.Repetition.*;D、 static import utils.Repetition. *;E、 import utils.Repetition.twice();F、 import static utils.Repetition.twice;G、 static import utils.Repetition.twice;

单选题在单一文件中import、class和package的正确出现顺序是()Apackage,import,classBclass,import,packageCimport,package,classDpackage,class,import

问答题#import跟#include的区别,@class呢?

单选题下列有关类声明的代码片段,哪一项是正确的?()A import java.sql.*; package school; class Student{ }B package school; import java.sql.*; class Student{ }C package school; class Student{ } import java.sql.*;D package school; import java.sql.*;private String name; class Student{ }

单选题一个程序中,package、import、和class的排放次序是()Apackage、import、classBimport、package、classC三者任意Dclass在最后,import、package排放次序任意

单选题与page指令 等价的是()。A%@ import="“java.util.*" page=""%@ import="“java.text.*" page=""%@ import="“java.text.*" page=""%@ import="“java.util.*" page=""%@ import="“java.text.*" page=""%@ import="“java.util.*" page=""%@ page import= “java.util.* % %@ page import= “java.text.* “ % B%@ page import= “java.util.*”  ,  import= “java.text.* “ % C%@ page import= “java.util.* “  ;  % %@ page import= “java.text.* “  ; %D%@ page import= “java.util.* ; java.text.* “ %

单选题下面关于#import和#include的描述正确的是()A#import是#include的替代指令,防止重复引用B#import和#include不可以混合使用C#import只用于引用Objective-C的文件,#include只用于引用C和C++的文件D#import和#include的使用效果完全相同

单选题Every page of your web site must include a common set of navigation menus at the top of the page. Thismenu is static HTML and changes frequently,so you have decided to use JSP’s static import mechanism. Which JSP code snippet accomplishes this goal?()A%@ import file=’/common/menu.html’ %B%@ page import=’/common/menu.html’ %C%@ import page=’/common/menu.html’ %D%@ include file=’/common/menu.html’ %E%@ page include=’/common/menu.html’ %