public class test(   public static void main(stringargs){   string foo = args [1];   string foo = args ;   string foo = args ;   }   )   And command line invocation:  Java Test red green blue  What is the result? () A、 Baz has the value of “”B、 Baz has the value of nullC、 Baz has the value of “red”D、 Baz has the value of “blue”E、 Bax has the value of “green”F、 The program throws an exception.

public class test(   public static void main(stringargs){   string foo = args [1];   string foo = args ;   string foo = args ;   }   )   And command line invocation:  Java Test red green blue  What is the result? () 

  • A、 Baz has the value of “”
  • B、 Baz has the value of null
  • C、 Baz has the value of “red”
  • D、 Baz has the value of “blue”
  • E、 Bax has the value of “green”
  • F、 The program throws an exception.

相关考题:

2下列程序实现对ZIP 文件file.zip 的检索,在横线处填入正确的语句是( )。package test;import java.io.*;import java.util.*; import java.util.zip.*;public class Exam{ public static void main(String[] args){ try{ FileInputStream fis = new FilelnputStream("test/file.zip"); ZipInputStream zis = new ZiplnputStream(fis); ZipEntry en; while ((______ )!= null){ en.getName(); zis.closeEntry(); } zis.close(); } catch(Exception e){ e.pfintStackTrace(); }}A.en = zis. getNextEntry()B.en == zis.getNextEntry(C.en=zis. getEntry()D.zis.getNextEntry()

有如下程序:includeusing namespace std;Class Test{public:Test(){n+=2;}~Test(){n- 有如下程序: #include<iostream> using namespace std; Class Test { public: Test() {n+=2;} ~Test() {n-=3;} static int getNum() {return n;} private: static int n; }; int Test::n=1; int main() { Test*p=new Test;A.n=0B.n=1C.n=2D.n=3

下列关于Test类的定义中,正确的是______。A) class Test implements Runnabte{public void run(){}public void someMethod(){}B) class Test implements Rnuuable{public void run();}C) class Test implements Rnuuable{public void someMethod();}D) class Test implements Rnuuable{public void someMethod();{}}A.B.C.D.

有如下程序:includeusing namespace std;class test{private: int a;public: test( 有如下程序:#include<iostream>using namespace std;class test{private: int a;public: test(){cout<<"constructor"<<endl;} test(int a){cout<<a<<endl;} test(const test_test) { a=_test.a; cout<<"copy constructor"<<en+dl; } ~test(){cout<<"destructor"<<endl;}};int main(){ test A(3); rerun 0;}运行时输出的结果是A.3B.constructor destructorC.copy constructor destructorD.3 destructor

在如下源代码文件Test.java中, 哪个是正确的类定义?() A.public class test { public int x = 0; public test(int x) { this.x = x; } }B.public class Test{ public int x=0; public Test(int x) { this.x = x; } }C.public class Test extends T1, T2 { public int x = 0; public Test (int x) { this.x = x; } }D.public class

下列程序的执行结果是 ( ) public class Test { public int aMethod() { satic int i=0; i++; System.out.println(i); } public static void.main(String args[]) { Test test=new Test(); test.aMethod(); }A.编译错误B.0C.1D.运行成功,但不输出

下列程序的运行结果是【 】。 include class test { private: int num; public: tes 下列程序的运行结果是【 】。include <iostream. h>class test{private:int num;public:test()int TEST() {return num+100;}~test()};test::test(){num=0;}test::~test(){cout<<"Destructor is active"<<endl;}void main(){test x[3]cout<<x[1]. TEST()<<endl;}

public class Test{2.int x=12;3.public void method(intx){4.x+=x;5.System.out.println(x);6.}7.}Given:34.Test t=new Test();35.t.method(5);What is the output from line 5 of the Test class?() A.5B.10C.12D.17E.24

package test;class Target{public String name=hello;}What can directly access and change the value of the variable name?() A.any classB.only the Target classC.any class in the test packageD.any class that extends Target

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{ }

在下列源代码文件Test.java中,正确定义类的代码是( )。A.pblic class test { public int x=0; public test(int x) { this. x=x;} }B.public class Test { public int x=0; public Test(int x) { this. x=x;} }C.public class Test extends T1,T2{ public int x = 0; public Test(int x){ this. x = x; } }D.protected class Test extends T2{ public int x = 0; public Test(int x) { this. x = x; } }

在下画线处填入代码,使程序正常运行并且输出“Hello!”。class Test ______ {public staric void maim (string[] args) {Test t=new Test();t.start();}public void run() {System.out.println("Hello!");}}

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 { }

有下列程序:includeusing namespace Std;class Test{public:Test(){n+=2;}~Test(){n- 有下列程序: #include<iostream> using namespace Std; class Test { public: Test() {n+=2;} ~Test() {n-=3;} static int getNum(){return n;} private: static int n; }; int Test∷n=1; int main()A.n=0B.n=lC.n=2D.n=3

下列关于Test类的定义中,正确的是( )。A.class Test implements Runnable{ public void run{} Dublic void someMethod[]{} }B.class Test implements Runnable( puIblic void run; }C.class Test implements Runnable( Dublic void someMethod[]; }D.class Test implements Runnable( public void someMethod{} }

下列程序实现对ZIP文件file.zip的检索,在横线处 填入正确的语句( )。 package test; importjava.io.*; import java.util.*; import java.util.zip.*; public class Exam { public static void main(String[]args){ try{ FileInputStream fis=new FileInputStream("test/file. zip"); ZipInputStream zis=new ZiplnputStream(fis); ZipEntry an; while(( )!=null){ en.getName; zis.closeEntry; } zis.close: } catch(Exception e){ printStackTrace; } } }A.en=zis.getNextEntryB.en= =zis.getNextEntryC.en=zis.getEntryD.zis.getNextEntry

在下列源代码文件Test.java中, ( )是正确的类定义。A.public class test{B.public class Test{ public int x=0;public int x=0; public test (intx) public Test (int x){ {this.x=x; this.x=x;} }} }C.public class Test extends T1,T2{D.protected class Test extends T2{ public int=0;public int x=0; public Test(int x){Public Test (int x){ this.x=x;this.x=x: }} }}

下列程序实现对ZIP文件file.zip的检索,在横线处填入正确的语句 package test; import java.io.*: import java.util.*; import java.util.zip.*; public class Exam { public static void main(String[])args){ try{ FileInputStream fis=new FileInputStream("test/file.zip"); ZipInputStreamzis=new ZipInputStream(fis); ZipEntry en; while ((_____)!=null){ en.getName(); zis.closeEntry(); } zis.close(); } catch(Exception e) { e.printStackTrace(); } } }A.en = zis.getNextEntry()B.en = zis.getNextEntry()C.en = zis.getEntry()D.zis.getNextEntry()

在下列源代码文件Test.java中,哪个选项是正确的类定义? ( )A.public class test { public int x=0; public test(int x) { this.x=x; } }B.public class Test { public int x=0; public Test(int x) { this.x=x; } }C.public class Test extends Ti,T2 { public int x=0; public Test(int x) { this.x=x; } }D.protected class Test extends T2 { public int x=0; public Test(int x) { this.x=x; } }

package test1;  public class Test1 {  static int x = 42;  }  package test2;  public class Test2 extends test1.Test1 {  public static void main(String[] args) { System.out.println(“x = “ + x);  }  }  What is the result?() A、 x = 0B、 x = 42C、 Compilation fails because of an error in line 2 of class Test2.D、 Compilation fails because of an error in line 3 of class Test1.E、 Compilation fails because of an error in line 4 of class Test2.

Public class test (  Public static void main (String args[])  (  System.out.printIn (6 ^ 3);  )  )   What is the output?()

public class Test {  public int aMethod() {  static int i = 0;  i++;  return i;  }  public static void main (String args[]) {  Test test = new Test();  test.aMethod();  int j = test.aMethod();  System.out.println(j);  }  }  What is the result?()  A、 0B、 1C、 2D、 Compilation fails.

public class Test {} What is the prototype of the default constructor?()  A、 Test()B、 Test(void)C、 public Test()D、 public Test(void)E、 public void Test()

单选题public class Test {  public int aMethod() {  static int i = 0;  i++;  return i;  }  public static void main (String args[]) {  Test test = new Test();  test.aMethod();  int j = test.aMethod();  System.out.println(j);  }  }  What is the result?()A 0B 1C 2D Compilation fails.

单选题package test1;  public class Test1 {  static int x = 42;  }  package test2;  public class Test2 extends test1.Test1 {  public static void main(String[] args) { System.out.println(“x = “ + x);  }  }  What is the result?()A x = 0B x = 42C Compilation fails because of an error in line 2 of class Test2.D Compilation fails because of an error in line 3 of class Test1.E Compilation fails because of an error in line 4 of class Test2.

单选题package test; class Target{ public String name="hello"; } What can directly access and change the value of the variable name?()Aany classBonly the Target classCany class in the test packageDany class that extends Target

单选题package test;  class Target {  public String name = “hello”;  }  What can directly access and change the value of the variable name?()A any classB only the Target classC any class in the test packageD any class that extends Target

单选题public class Test {} What is the prototype of the default constructor?()A Test()B Test(void)C public Test()D public Test(void)E public void Test()