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单选题
//point X   public class foo {  public static void main (Stringargs) throws Exception {   java.io.printWriter out = new java.io.PrintWriter {   new java.io.outputStreamWriter (System.out), true;   out.printIn(“Hello”);   }   } }   Which statement at PointX on line 1 allows this code to compile and run?()
A

 Import java.io.*;

B

 Include java.io.*;

C

 Import java.io.PrintWriter;

D

 Include java.io.PrintWriter;

E

 No statement is needed.


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更多 “单选题//point X   public class foo {  public static void main (Stringargs) throws Exception {   java.io.printWriter out = new java.io.PrintWriter {   new java.io.outputStreamWriter (System.out), true;   out.printIn(“Hello”);   }   } }   Which statement at PointX on line 1 allows this code to compile and run?()A  Import java.io.*;B  Include java.io.*;C  Import java.io.PrintWriter;D  Include java.io.PrintWriter;E  No statement is needed.” 相关考题
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考题 单选题public class Delta {  static boolean foo(char c) {  System.out.print(c);  return true;  }  public static void main( String[] argv ) {  int i =0;  for ( foo(‘A’); foo(‘B’)(i2); foo(‘C’)){  i++ ;  foo(‘D’);  }  }  }  What is the result?()A  ABDCBDCBB  ABCDABCDC  Compilation fails.D  An exception is thrown at runtime.

考题 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  foofoofoofoofooB  foobarfoobarbarC  foobarfoofoofooD  foobarfoobarfooE  barbarbarbarbarF  foofoofoobarbarG  foofoofoobarfoo

考题 单选题public class Foo {  static int[] a;  static { a[0]=2; }  public static void main( String[] args) {}  }  Which exception or error will be thrown when a programmer attempts to run this code?()A  java.lang. StackOverflowErrorB  java.lang.IllegalStateExceptionC  java.lang.ExceptionlnlnitializerErrorD  java.lang.ArraylndexOutOfBoundsException