The value of s is 14-dic-2004.
The value of s is Dec 14, 2000.
An exception is thrown at runtime.
Compilation fails because of an error in line 13.
第1题:
A.df = new DateFormat();
B.df = Date.getFormat();
C.df = date.getFormat();
D.df = DateFormat.getFormat();
E.df = DateFormat.getInstance();
第2题:
下列程序将Date对象写入文件file42.txt中,选择正确的语句填入下列程序中的横线处。 package ch1; impbrt java. io. *; import java. util. *; public class ex42 { static String fileName = "ch1\\file42.txt"; static Date date = null; public static void main(String[] args) { date = new Date(); try { FileOutputStream fos = new FileOutputStream(file Name); ObjectOutStream os = new ObjectOutputStream(fos); oos.______; oos.close(); fos.close(); System.out.println(date.toString()); } catch(Exception e) { System.out.println(e.getMessage()); } } }
A.writeObject()
B.writeObject(date)
C.write(date)
D.writeByte(date)
第3题:
A.Thevalueofsis14-dic-2004.
B.ThevalueofsisDec14,2000.
C.Anexceptionisthrownatruntime.
D.Compilationfailsbecauseofanerrorinline13.
第4题:
11. public static void main(String[] args) { 12. Object obj = new Object() { 13. public int hashCode() { 14. returns 42; 15. } 16. }; 17. System.out.println(obj.hashCode()); 18. } What is the result? ()
第5题:
11. public static void main(String[] args) { 12. Object obj =new int[] { 1,2,3 }; 13. int[] someArray = (int[])obj; 14. for (int i: someArray) System.out.print(i +“ “) 15. } What is the result? ()
第6题:
Given:12.Datedate=newDate();13.df.setLocale(Locale.ITALY);14.Strings=df.format(date);ThevariabledfisanobjectoftypeDateFormatthathasbeeninitializedinline11.WhatistheresultifthiscodeisrunonDecember14,2000?()
A.Thevalueofsis14-dic-2000.
B.ThevalueofsisDec14,2000.
C.Anexceptionisthrownatruntime.
D.Compilationfailsbecauseofanerrorinline13.
第7题:
A.Date()
B. Date(int year, int month, int date)
C.Date(String s)
D.Date(long date)
第8题:
A.df=newDateFormat();
B.df=Date.getFormatter();
C.df=date.getFormatter();
D.df=date.getDateFormatter();
E.df=DateFormat.getDateInstance();
F.df=DateFormat.getInstance();
第9题:
16. Date d = new Date(0L); 17. String ds = “December 15, 2004”; 18. // insert code here What updates d‟s value with the date represented by ds?()
第10题:
11. static class A { 12. void process() throws Exception { throw new Exception(); } 13. } 14. static class B extends A { 15. void process() { System.out.println(”B”); } 16. } 17. public static void main(String[] args) { 18. new B().process(); 19. } What is the result?()