单选题String foo = “blue”;    Booleanbar = new Boolean [1];    if (bar[0]) {    foo = “green”;    }   What is the result?()AFoo has the value of “”BFoo has the value of null.CFoo has the value of “blue”DFoo has the value of “green”EAn exception is thrown.FTh

题目
单选题
String foo = “blue”;    Booleanbar = new Boolean [1];    if (bar[0]) {    foo = “green”;    }   What is the result?()
A

 Foo has the value of “”

B

 Foo has the value of null.

C

 Foo has the value of “blue”

D

 Foo has the value of “green”

E

 An exception is thrown.

F

 The code will not compile.


相似考题
更多“String foo = “blue”;    Booleanbar = new Boolean [1];    if ”相关问题
  • 第1题:

    public class Test {   public static void main (String args) {  string foo = “blue”;  string bar = foo;   foo = “green”;   System.out.printIn(bar);   }   }   What is the result?()  

    • A、 An exception is thrown.
    • B、 The code will not compile.
    • C、 The program prints “null”
    • D、 The program prints “blue”
    • E、 The program prints “green”

    正确答案:D

  • 第2题:

    int index = 1;   String test = new String;   String foo = test[index];  What is the result?()

    • A、  Foo has the value “”
    • B、 Foo has the value null
    • C、 An exception is thrown
    • D、 The code will not compile

    正确答案:B

  • 第3题:

    public class X {  public static void main (String[]args)  {  String s1 = new String (“true”);  Boolean b1 = new Boolean (true);  if (s2.equals(b1))   {  System.out.printIn(“Equal”);  }  }  }      What is the result?()  

    • A、 The program runs and prints nothing.
    • B、 The program runs and prints “Equal”
    • C、 An error at line 5 causes compilation to fail.
    • D、 The program runs but aborts with an exception.

    正确答案:A

  • 第4题:

    Given:  8.int index = 1:  9.Boolean [] test = new boolcan [3];  10.boolcan foo = test [index];   What is the result()?  

    • A、 foo has the value of 0.
    • B、 foo has the value of null.
    • C、 foo has the value of true.
    • D、 foo has the value of false.
    • E、 An-exception is thrown.
    • F、 The code will not compile.

    正确答案:D

  • 第5题:

    String foo = “blue”;    Booleanbar = new Boolean [1];    if (bar[0]) {    foo = “green”;    }   What is the result?()  

    • A、 Foo has the value of “”
    • B、 Foo has the value of null.
    • C、 Foo has the value of “blue”
    • D、 Foo has the value of “green”
    • E、 An exception is thrown.
    • F、 The code will not compile.

    正确答案:F

  • 第6题:

    int index = 1;  String [] test = new String[3];  String foo = test[index];     What is the result?()  

    • A、 Foo has the value “”
    • B、 Foo has the value null
    • C、 An exception is thrown
    • D、 The code will not compile

    正确答案:B

  • 第7题:

    单选题
    public class test(  public static void main(string[]args){  string foo = args [1];  string foo = args [2];  string foo = args [3];  }  )  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
    解析: 暂无解析

  • 第8题:

    单选题
    int index = 1;   boolean test = new Boolean;   boolean foo= test [index];  What is the result?()
    A

     Foo has the value of 0.

    B

     Foo has the value of null.

    C

     Foo has the value of true.

    D

     Foo has the value of false.

    E

     An exception is thrown.

    F

     The code will not compile.


    正确答案: F
    解析: 暂无解析

  • 第9题:

    单选题
    String foo = “blue”;  Boolean[]bar = new Boolean [1];  if (bar[0])  {  foo = “green”;  }   What is the result? ()
    A

     Foo has the value of “”

    B

     Foo has the value of null.

    C

     Foo has the value of “blue”

    D

     Foo has the value of “green”

    E

     An exception is thrown.

    F

     The code will not compile.


    正确答案: A
    解析: 暂无解析

  • 第10题:

    单选题
    public class Test {  public static void main (String [] args)  {  string foo = “blue”;  string bar = foo;  foo = “green”;  System.out.printIn(bar);  }  }   What is the result?()
    A

     An exception is thrown.

    B

     The code will not compile.

    C

     The program prints “null”

    D

     The program prints “blue”

    E

     The program prints “green”


    正确答案: B
    解析: 暂无解析

  • 第11题:

    单选题
    int index = 1;   String test = new String;   String foo = test[index];  What is the result?()
    A

      Foo has the value “”

    B

     Foo has the value null

    C

     An exception is thrown

    D

     The code will not compile


    正确答案: A
    解析: 暂无解析

  • 第12题:

    单选题
    public class X {  public static void main (String[]args)  {  String s1 = new String (“true”);  Boolean b1 = new Boolean (true);  if (s2.equals(b1))   {  System.out.printIn(“Equal”);  }  }  }      What is the result?()
    A

     The program runs and prints nothing.

    B

     The program runs and prints “Equal”

    C

     An error at line 5 causes compilation to fail.

    D

     The program runs but aborts with an exception.


    正确答案: D
    解析: 暂无解析

  • 第13题:

    public class Base {  public static final String FOO = “foo”;  public static void main(String[] args) {  Base b = new Base();  Sub s = new Sub();  System.out.print(Base.FOO);  System.out.print(Sub.FOO);  System.out.print(b.FOO);  System.out.print(s.FOO);  System.out.print(((Base)s).FOO);  } }  class Sub extends Base {public static final String FOO=bar;}  What is the result?() 

    • A、 foofoofoofoofoo
    • B、 foobarfoobarbar
    • C、 foobarfoofoofoo
    • D、 foobarfoobarfoo
    • E、 barbarbarbarbar
    • F、 foofoofoobarbar
    • G、 foofoofoobarfoo

    正确答案:D

  • 第14题:

    Which statements concerning the relationships between the following classes are true?()   class Foo {  int num;   Baz comp = new Baz();   }   class Bar {  boolean flag;   }   class Baz extends Foo {   Bar thing = new Bar();   double limit;   }  

    • A、A Bar is a Baz.
    • B、A Foo has a Bar.
    • C、A Baz is a Foo.
    • D、A Foo is a Baz.
    • E、A Baz has a Bar.

    正确答案:C,E

  • 第15题:

    int index = 1;   boolean test = new Boolean;   boolean foo= test [index];  What is the result?()

    • A、 Foo has the value of 0.
    • B、 Foo has the value of null.
    • C、 Foo has the value of true.
    • D、 Foo has the value of false.
    • E、 An exception is thrown.
    • F、 The code will not compile.

    正确答案:D

  • 第16题:

    String foo = “blue”;  Boolean[]bar = new Boolean [1];  if (bar[0])  {  foo = “green”;  }   What is the result? () 

    • A、 Foo has the value of “”
    • B、 Foo has the value of null.
    • C、 Foo has the value of “blue”
    • D、 Foo has the value of “green”
    • E、 An exception is thrown.
    • F、 The code will not compile.

    正确答案:F

  • 第17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18题:

    单选题
    int index = 1;  boolean[] test = new Boolean[3];  boolean foo= test [index];   What is the result?()
    A

     Foo has the value of 0.

    B

     Foo has the value of null.

    C

     Foo has the value of true.

    D

     Foo has the value of false.

    E

     An exception is thrown.

    F

     The code will not compile.


    正确答案: A
    解析: 暂无解析

  • 第19题:

    多选题
    Which statements concerning the relationships between the following classes are true?()   class Foo {  int num;   Baz comp = new Baz();   }   class Bar {  boolean flag;   }   class Baz extends Foo {   Bar thing = new Bar();   double limit;   }
    A

    A Bar is a Baz.

    B

    A Foo has a Bar.

    C

    A Baz is a Foo.

    D

    A Foo is a Baz.

    E

    A Baz has a Bar.


    正确答案: D,A
    解析: 暂无解析

  • 第20题:

    单选题
    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
    解析: 暂无解析

  • 第21题:

    单选题
    String foo = “blue”;    Booleanbar = new Boolean [1];    if (bar[0]) {    foo = “green”;    }   What is the result?()
    A

     Foo has the value of “”

    B

     Foo has the value of null.

    C

     Foo has the value of “blue”

    D

     Foo has the value of “green”

    E

     An exception is thrown.

    F

     The code will not compile.


    正确答案: E
    解析: 暂无解析

  • 第22题:

    单选题
    class Sock2 {   String color;   public boolean equals(Object o) {   return color.equals(((Sock2)o).color);   } }   class TestSocks {   public static void main(String [] args) {   Sock2 s1 = new Sock2(); s1.color = "blue";   Sock2 s2 = new Sock2(); s2.color = "blue";   if (s1.equals(s2)) System.out.print("equals ");   if (s1 == s2) System.out.print("== ");   }   }   结果为:()
    A

    ==

    B

    equals

    C

    equals ==

    D

    无结果输出


    正确答案: B
    解析: 暂无解析

  • 第23题:

    单选题
    int index = 1;  String [] test = new String[3];  String foo = test[index];     What is the result?()
    A

     Foo has the value “”

    B

     Foo has the value null

    C

     An exception is thrown

    D

     The code will not compile


    正确答案: B
    解析: 暂无解析

  • 第24题:

    单选题
    public class Base {  public static final String FOO = “foo”;  public static void main(String[] args) {  Base b = new Base();  Sub s = new Sub();  System.out.print(Base.FOO);  System.out.print(Sub.FOO);  System.out.print(b.FOO);  System.out.print(s.FOO);  System.out.print(((Base)s).FOO);  } }  class Sub extends Base {public static final String FOO=bar;}  What is the result?()
    A

     foofoofoofoofoo

    B

     foobarfoobarbar

    C

     foobarfoofoofoo

    D

     foobarfoobarfoo

    E

     barbarbarbarbar

    F

     foofoofoobarbar

    G

     foofoofoobarfoo


    正确答案: B
    解析: 暂无解析