public class Yippee2 {  static public void main(String [] yahoo) {  for(int x= 1; xSystem.out.print(yahoo[x] + “ “);  }  }  }  and the command line invocation: java Yippee2 a b c What is the result?()  A、a bB、b cC、a b cD、 Compilation fails.E、 An excepti

题目

public class Yippee2 {  static public void main(String [] yahoo) {  for(int x= 1; xSystem.out.print(yahoo[x] + “ “);  }  }  }  and the command line invocation: java Yippee2 a b c What is the result?() 

  • A、a b
  • B、b c
  • C、a b c
  • D、 Compilation fails.
  • E、 An exception is thrown at runtime.

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更多“public class Yippee2 {  static public void main(String [] yahoo) {  for(int x= 1; xSystem.out.print(yahoo[x] + “ “);  }  }  }  and the command line invocation: java Yippee2 a b c What is the result?()  A、a bB、b cC、a b cD、 Compilation fails.E、 An exceptio”相关问题
  • 第1题:

    interface DeclareStuff{  public static final int EASY = 3;  void doStuff(int t); }  public class TestDeclare implements DeclareStuff {  public static void main(String [] args) {  int x=5;  new TestDeclare().doStuff(++x);  }  void doStuff(int s) {  s += EASY + ++s;  System.out.println(”s “ + s);  }  }  What is the result?() 

    • A、 s 14
    • B、 s 16
    • C、 s 10
    • D、 Compilation fails.
    • E、 An exception is thrown at runtime.

    正确答案:D

  • 第2题:

    public class X {   public static void main (Stringargs) {   int a = new int [1]   modify(a);   System.out.printIn(a[0]);   }   public static void modify (int a) {   a[0] ++;    }    }   What is the result?()  

    • A、 The program runs and prints “0”
    • B、 The program runs and prints “1”
    • C、 The program runs but aborts with an exception.
    • D、 An error “possible undefined variable” at line 4 causes compilation to fail.
    • E、 An error “possible undefined variable” at line 9 causes compilation to fail.

    正确答案:B

  • 第3题:

    package foo;  import java.util.Vector; private class MyVector extends Vector {  int i = 1;  public MyVector() {  i = 2; } }  public class MyNewVector extends MyVector {  public MyNewVector() {  i = 4;  }  public static void main(String args[]) {  MyVector v = new MyNewVector();  }  }  What is the result?()

    • A、 Compilation succeeds.
    • B、 Compilation fails because of an error at line 5.
    • C、 Compilation fails because of an error at line 6.
    • D、 Compilation fails because of an error at line 14.
    • E、 Compilation fails because of an error at line 17.

    正确答案:B

  • 第4题:

    public class IfTest (  public static void main(string[]args) {  int x = 3;  int y = 1;  if (x = y)  system.out.printIn(“Not equal”);  else  system.out.printIn(“Equal”);  }  )   What is the result?()      

    • A、 The output is “Equal”
    • B、 The output in “Not Equal”
    • C、 An error at line 5 causes compilation to fall.
    • D、 The program executes but does not print a message.

    正确答案:C

  • 第5题:

    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.

    正确答案:F

  • 第6题:

    package foo;   import java.util.Vector;   private class MyVector extends Vector {  int i = 1;   public MyVector() {   i = 2;  }   }   public class MyNewVector extends MyVector {   public MyNewVector () {   i = 4;   }   public static void main (String args ) {    MyVector v = new MyNewVector();   }   }   The file MyNewVector.java is shown in the exhibit.  What is the result?()

    • A、 Compilation will succeed.
    • B、 Compilation will fail at line 5.
    • C、 Compilation will fail at line 6.
    • D、 Compilation will fail at line 14.
    • E、 Compilation will fail at line 17.

    正确答案:B

  • 第7题:

    单选题
    public class Test {  private static int[] x;  public static void main(String[] args) {  System.out.println(x[0]);  }  }   What is the result?()
    A

     0

    B

     null

    C

     Compilation fails.

    D

     A NullPointerException is thrown at runtime.

    E

     An ArrayIndexOutOfBoundsException is thrown at runtime.


    正确答案: B
    解析: 暂无解析

  • 第8题:

    单选题
    public class Test {  public static void main( String[] args) {  String foo = args[1];  String bar = args[2];  String baz = args[3];  System.out.println(“baz = “ + baz); }  }   And the command line invocation: java Test red green blue   What is the result?()
    A

     baz =

    B

     baz = null

    C

     baz = blue

    D

     Compilation fails.

    E

     An exception is thrown at runtime.


    正确答案: C
    解析: A java.lang.ArrayIndexOutOfBoundsException is thrown because of line 3, should be args[0].

  • 第9题:

    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 = 0

    B

     x = 42

    C

     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.


    正确答案: E
    解析: 暂无解析

  • 第10题:

    单选题
    interface DeclareStuff{  public static final int EASY = 3;  void doStuff(int t); }  public class TestDeclare implements DeclareStuff {  public static void main(String [] args) {  int x=5;  new TestDeclare().doStuff(++x);  }  void doStuff(int s) {  s += EASY + ++s;  System.out.println(”s “ + s);  }  }  What is the result?()
    A

     s 14

    B

     s 16

    C

     s 10

    D

     Compilation fails.

    E

     An exception is thrown at runtime.


    正确答案: E
    解析: 暂无解析

  • 第11题:

    单选题
    public class Yippee2{ stati cpublic void main(String[]yahoo){ for(intx=1;x
    A

    ab

    B

    bc

    C

    abc

    D

    Compilation fails.

    E

    An exception is thrown at runtime.


    正确答案: C
    解析: 暂无解析

  • 第12题:

    单选题
    public class X {   public static void main (Stringargs) {   int a = new int [1]   modify(a);   System.out.printIn(a[0]);   }   public static void modify (int a) {   a[0] ++;    }    }   What is the result?()
    A

     The program runs and prints “0”

    B

     The program runs and prints “1”

    C

     The program runs but aborts with an exception.

    D

     An error “possible undefined variable” at line 4 causes compilation to fail.

    E

     An error “possible undefined variable” at line 9 causes compilation to fail.


    正确答案: C
    解析: 暂无解析

  • 第13题:

    public class Yippee2{ stati cpublic void main(String[]yahoo){ for(intx=1;x

    • A、ab
    • B、bc
    • C、abc
    • D、Compilation fails.
    • E、An exception is thrown at runtime.

    正确答案:B

  • 第14题:

    public class Test {  public static void main( String[] args) {  String foo = args[1];  String bar = args[2];  String baz = args[3];  System.out.println(“baz = “ + baz); }  }   And the command line invocation: java Test red green blue   What is the result?()  

    • A、 baz =
    • B、 baz = null
    • C、 baz = blue
    • D、 Compilation fails.
    • E、 An exception is thrown at runtime.

    正确答案:E

  • 第15题:

     public class Test {  public static void replaceJ(string text)  {  text.replace (‘j’, ‘l’);  }  public static void main(String args[])  {  string text = new String (“java”)  replaceJ(text);  system.out.printIn(text);  }  }      What is the result?()  

    • A、 The program prints “lava”
    • B、 The program prints “java”
    • C、 An error at line 7 causes compilation to fail.
    • D、 Compilation succeeds but the program throws an exception.

    正确答案:B

  • 第16题:

    public class Test {  private static int[] x;  public static void main(String[] args) {  System.out.println(x[0]);  }  }   What is the result?()   

    • A、 0
    • B、 null
    • C、 Compilation fails.
    • D、 A NullPointerException is thrown at runtime.
    • E、 An ArrayIndexOutOfBoundsException is thrown at runtime.

    正确答案:D

  • 第17题:

    public class Test {  public static void main(String[] args) {  int x = 0;  assert (x > 0): “assertion failed”;  System.out.println(“finished”);  }  }  What is the result?()  

    • A、 finished
    • B、 Compilation fails.
    • C、 An AssertionError is thrown.
    • D、 An AssertionError is thrown and finished is output.

    正确答案:A

  • 第18题:

    class A {   public int getNumber(int a) {   return a + 1;   }   }    class B extends A {   public int getNumber (int a) {   return a + 2   }    public static void main (String args) {   A a = new B();   System.out.printIn(a.getNumber(0));   }   }   What is the result? () 

    • A、 Compilation succeeds and 1 is printed.
    • B、 Compilation succeeds and 2 is printed.
    • C、 An error at line 8 causes compilation to fail.
    • D、 An error at line 13 causes compilation to fail.
    • E、 An error at line 14 causes compilation to fail.

    正确答案:B

  • 第19题:

    单选题
    public class IfTest (  public static void main(string[]args) {  int x = 3;  int y = 1;  if (x = y)  system.out.printIn(“Not equal”);  else  system.out.printIn(“Equal”);  }  )   What is the result?()
    A

     The output is “Equal”

    B

     The output in “Not Equal”

    C

     An error at line 5 causes compilation to fall.

    D

     The program executes but does not print a message.


    正确答案: A
    解析: 暂无解析

  • 第20题:

    单选题
    package foo;  import java.util.Vector; private class MyVector extends Vector {  int i = 1;  public MyVector() {  i = 2; } }  public class MyNewVector extends MyVector {  public MyNewVector() {  i = 4;  }  public static void main(String args[]) {  MyVector v = new MyNewVector();  }  }  What is the result?()
    A

     Compilation succeeds.

    B

     Compilation fails because of an error at line 5.

    C

     Compilation fails because of an error at line 6.

    D

     Compilation fails because of an error at line 14.

    E

     Compilation fails because of an error at line 17.


    正确答案: C
    解析: 暂无解析

  • 第21题:

    单选题
    public class Foo {  public void main( String[] args ) {  System.out.println( “Hello” + args[0] );  }  }   What is the result if this code is executed with the command line?()
    A

     Hello

    B

     Hello Foo

    C

     Hello world

    D

     Compilation fails.

    E

     The code does not run.


    正确答案: E
    解析: 暂无解析

  • 第22题:

    单选题
    public class Yippee2 {  static public void main(String [] yahoo) {  for(int x= 1; xSystem.out.print(yahoo[x] + “ “);  }  }  }  and the command line invocation: java Yippee2 a b c What is the result?()
    A

    a b

    B

    b c

    C

    a b c

    D

     Compilation fails.

    E

     An exception is thrown at runtime.


    正确答案: D
    解析: 暂无解析

  • 第23题:

    单选题
    package foo;   import java.util.Vector;   private class MyVector extends Vector {  int i = 1;   public MyVector() {   i = 2;  }   }   public class MyNewVector extends MyVector {   public MyNewVector () {   i = 4;   }   public static void main (String args ) {    MyVector v = new MyNewVector();   }   }   The file MyNewVector.java is shown in the exhibit.  What is the result?()
    A

     Compilation will succeed.

    B

     Compilation will fail at line 5.

    C

     Compilation will fail at line 6.

    D

     Compilation will fail at line 14.

    E

     Compilation will fail at line 17.


    正确答案: E
    解析: 暂无解析