单选题public static void parse(String str) {  try {  float f= Float.parseFloat(str);  } catch (NumberFormatException nfe) {  f= 0;  } finally {  System.out.println(f);  }  }  public static void main(String[] args) {  parse(”invalid”);  }  What is the result?

题目
单选题
public static void parse(String str) {  try {  float f= Float.parseFloat(str);  } catch (NumberFormatException nfe) {  f= 0;  } finally {  System.out.println(f);  }  }  public static void main(String[] args) {  parse(”invalid”);  }  What is the result?()
A

 0.0

B

 Compilation fails.

C

 A ParseException is thrown by the parse method at runtime.

D

 A NumberFormatException is thrown by the parse method at runtime.


相似考题
参考答案和解析
正确答案: C
解析: 暂无解析
更多“单选题public static void parse(String str) {  try {  float f= Float.parseFloat(str);  } catch (NumberFormatException nfe) {  f= 0;  } finally {  System.out.println(f);  }  }  public static void main(String[] args) {  parse(”invalid”);  }  What is the result?”相关问题
  • 第1题:

    public static void parse(String str) {  try {  float f= Float.parseFloat(str);  } catch (NumberFormatException nfe) {  f= 0;  } finally {  System.out.println(f);  }  }  public static void main(String[] args) {  parse(”invalid”);  }  What is the result?() 

    • A、 0.0
    • B、 Compilation fails.
    • C、 A ParseException is thrown by the parse method at runtime.
    • D、 A NumberFormatException is thrown by the parse method at runtime.

    正确答案:B

  • 第2题:

    public static void main(String[] args) {  String str = “null‟;  if (str == null) {  System.out.println(”null”);  } else (str.length() == 0) {  System.out.println(”zero”);  } else {  System.out.println(”some”);  }  }  What is the result?()

    • A、 null
    • B、 zero
    • C、 some
    • D、 Compilation fails.
    • E、 An exception is thrown at runtime.

    正确答案:D

  • 第3题:

    public class Test {  public static void main(String[] args) {  String str = NULL;  System.out.println(str);  }  }   What is the result?()  

    • A、 NULL
    • B、 Compilation fails.
    • C、 The code runs with no output.
    • D、 An exception is thrown at runtime.

    正确答案:B

  • 第4题:

    public class Test {  public static void aMethod() throws Exception {  try {  throw new Exception(); } finally {  System.out.println(“finally”);  }  }  public static void main(String args[]) {  try {  aMethod();  } catch (Exception e) {  System.out.println(“exception”);  }  System.out.println(“finished”);  }  }  What is the result?()  

    • A、 finally
    • B、 exception finished
    • C、 finally exception finished
    • D、 Compilation fails.

    正确答案:C

  • 第5题:

    public static void main(String[] args) {  try {  args=null;  args[0] = “test”;  System.out.println(args[0]);  } catch (Exception ex) {  System.out.println(”Exception”);  } catch (NullPointerException npe) {  System.out.println(”NullPointerException”);  }  }  What is the result?() 

    • A、 test
    • B、 Exception
    • C、 Compilation fails.
    • D、 NullPointerException

    正确答案:C

  • 第6题:

    Which code fragments will succeed in printing the last argument given on the command line to the standard output, and exit gracefully with no output if no arguments are given?()   CODE FRAGMENT a:   public static void main(String args[]) {   if (args.length != 0)   System.out.println(args[args.length-1]);   }   CODE FRAGMENT b:   public static void main(String args[]) {   try { System.out.println(args[args.length]); }   catch (ArrayIndexOutOfBoundsException e) {}   }   CODE FRAGMENT c:   public static void main(String args[]) {   int ix = args.length;   String last = args[ix];   if (ix != 0) System.out.println(last);   }   CODE FRAGMENT d:   public static void main(String args[]) {   int ix = args.length-1;   if (ix > 0) System.out.println(args[ix]);   }   CODE FRAGMENT e:   public static void main(String args[]) {   try { System.out.println(args[args.length-1]);  }catch (NullPointerException e) {}   }  

    • A、Code fragment a.
    • B、Code fragment b.
    • C、Code fragment c.
    • D、Code fragment d.
    • E、Code fragment e.

    正确答案:A

  • 第7题:

    单选题
    public class TestString 1 {  public static void main(String[] args) {  String str = “420”;  str += 42;  System.out.print(str);  }  }  What is the output?()
    A

     42

    B

     420

    C

     462

    D

     42042

    E

     Compilation fails.

    F

     An exception is thrown at runtime.


    正确答案: A
    解析: 暂无解析

  • 第8题:

    单选题
    public class Test {  private static float[] f = new float[2];  public static void main(String args[]) {  System.out.println(“f[0] = “ + f[0]);  }  }   What is the result?()
    A

     f[0] = 0

    B

     f[0] = 0.0

    C

     Compilation fails.

    D

     An exception is thrown at runtime.


    正确答案: A
    解析: 暂无解析

  • 第9题:

    单选题
    public static void main(String[]args){ String str="null"; if(str==null){ System.out.println("null"); }else(str.length()==0){ System.out.println("zero"); }else{ System.out.println("some"); } } What is the result?()
    A

    null

    B

    zero

    C

    some

    D

    Compilationfails.

    E

    Anexceptionisthrownatruntime.


    正确答案: D
    解析: 暂无解析

  • 第10题:

    单选题
    public static void main(String[] args) {  String str = “null‟;  if (str == null) {  System.out.println(”null”);  } else (str.length() == 0) {  System.out.println(”zero”);  } else {  System.out.println(”some”);  }  }  What is the result?()
    A

     null

    B

     zero

    C

     some

    D

     Compilation fails.

    E

     An exception is thrown at runtime.


    正确答案: C
    解析: 暂无解析

  • 第11题:

    单选题
    public class Test {  public static void aMethod() throws Exception {  try {  throw new Exception(); } finally {  System.out.println(“finally”);  }  }  public static void main(String args[]) {  try {  aMethod();  } catch (Exception e) {  System.out.println(“exception”);  }  System.out.println(“finished”);  }  }  What is the result?()
    A

     finally

    B

     exception finished

    C

     finally exception finished

    D

     Compilation fails.


    正确答案: C
    解析: 暂无解析

  • 第12题:

    单选题
    public class Test {  public static void main(String[] args) {  String str = NULL;  System.out.println(str);  }  }   What is the result?()
    A

     NULL

    B

     Compilation fails.

    C

     The code runs with no output.

    D

     An exception is thrown at runtime.


    正确答案: C
    解析: NULL should be "null".

  • 第13题:

    Which declarations will allow a class to be started as a standalone program?()  

    • A、public void main(String args[])
    • B、public void static main(String args[])
    • C、public static main(String[] argv)
    • D、final public static void main(String [] array)
    • E、public static void main(String args[])

    正确答案:D,E

  • 第14题:

    public class Test {  private static float[] f = new float[2];  public static void main(String args[]) {  System.out.println(“f[0] = “ + f[0]);  }  }   What is the result?()  

    • A、 f[0] = 0
    • B、 f[0] = 0.0
    • C、 Compilation fails.
    • D、 An exception is thrown at runtime.

    正确答案:B

  • 第15题:

    static void test() {  try {  String x=null;  System.out.print(x.toString() +“ “);  }  finally { System.out.print(“finally “); }  }  public static void main(String[] args) {  try { test(); }  catch (Exception ex) { System.out.print(”exception “); }  }  What is the result?() 

    • A、 null
    • B、 finally
    • C、 null finally
    • D、 Compilation fails.
    • E、 finally exception

    正确答案:E

  • 第16题:

    public class X {  public static void main(String [] args) {  try {  badMethod();  System.out.print(“A”); }  catch (Exception ex) {  System.out.print(“B”);  }  finally {  System.out.print(“C”);  }  System.out.print(“D”);  }   public static void badMethod() {} }  What is the result?()  

    • A、 AC
    • B、 BD
    • C、 ACD
    • D、 ABCD
    • E、 Compilation fails.

    正确答案:C

  • 第17题:

    public class Foo {  public static void main(String[] args) {  try {  return;  } finally {  System.out.println( “Finally” );  }  }  }  What is the result?()

    • A、 Finally
    • B、 Compilation fails.
    • C、 The code runs with no output.
    • D、 An exception is thrown at runtime.

    正确答案:A

  • 第18题:

    public static void main(String[]args){ String str="null"; if(str==null){ System.out.println("null"); }else(str.length()==0){ System.out.println("zero"); }else{ System.out.println("some"); } } What is the result?()

    • A、null
    • B、zero
    • C、some
    • D、Compilationfails.
    • E、Anexceptionisthrownatruntime.

    正确答案:D

  • 第19题:

    单选题
    static void test() {  try {  String x=null;  System.out.print(x.toString() +“ “);  }  finally { System.out.print(“finally “); }  }  public static void main(String[] args) {  try { test(); }  catch (Exception ex) { System.out.print(”exception “); }  }  What is the result?()
    A

     null

    B

     finally

    C

     null finally

    D

     Compilation fails.

    E

     finally exception


    正确答案: B
    解析: 暂无解析

  • 第20题:

    单选题
    public static void main(String[] args) {  try {  args=null;  args[0] = “test”;  System.out.println(args[0]);  } catch (Exception ex) {  System.out.println(”Exception”);  } catch (NullPointerException npe) {  System.out.println(”NullPointerException”);  }  }  What is the result?()
    A

     test

    B

     Exception

    C

     Compilation fails.

    D

     NullPointerException


    正确答案: D
    解析: 暂无解析

  • 第21题:

    单选题
    Which code fragments will succeed in printing the last argument given on the command line to the standard output, and exit gracefully with no output if no arguments are given?()   CODE FRAGMENT a:   public static void main(String args[]) {   if (args.length != 0)   System.out.println(args[args.length-1]);   }   CODE FRAGMENT b:   public static void main(String args[]) {   try { System.out.println(args[args.length]); }   catch (ArrayIndexOutOfBoundsException e) {}   }   CODE FRAGMENT c:   public static void main(String args[]) {   int ix = args.length;   String last = args[ix];   if (ix != 0) System.out.println(last);   }   CODE FRAGMENT d:   public static void main(String args[]) {   int ix = args.length-1;   if (ix > 0) System.out.println(args[ix]);   }   CODE FRAGMENT e:   public static void main(String args[]) {   try { System.out.println(args[args.length-1]);  }catch (NullPointerException e) {}   }
    A

    Code fragment a.

    B

    Code fragment b.

    C

    Code fragment c.

    D

    Code fragment d.

    E

    Code fragment e.


    正确答案: C
    解析: 暂无解析

  • 第22题:

    单选题
    public class Foo {  public static void main(String[] args) {  try {  return;  } finally {  System.out.println( “Finally” );  }  }  }  What is the result?()
    A

     Finally

    B

     Compilation fails.

    C

     The code runs with no output.

    D

     An exception is thrown at runtime.


    正确答案: B
    解析: 暂无解析

  • 第23题:

    单选题
    public class X {  public static void main(String [] args) {  try {  badMethod();  System.out.print(“A”); }  catch (Exception ex) {  System.out.print(“B”);  }  finally {  System.out.print(“C”);  }  System.out.print(“D”);  }   public static void badMethod() {} }  What is the result?()
    A

     AC

    B

     BD

    C

     ACD

    D

     ABCD

    E

     Compilation fails.


    正确答案: D
    解析: 暂无解析

  • 第24题:

    单选题
    public static void parse(String str) {  try {  float f= Float.parseFloat(str);  } catch (NumberFormatException nfe) {  f= 0;  } finally {  System.out.println(f);  }  }  public static void main(String[] args) {  parse(”invalid”);  }  What is the result?()
    A

     0.0

    B

     Compilation fails.

    C

     A ParseException is thrown by the parse method at runtime.

    D

     A NumberFormatException is thrown by the parse method at runtime.


    正确答案: D
    解析: 暂无解析