当前分类: 1Z0-853
问题:单选题Given: What is the result? ()A A new Item object is created with the preferred value in the id attribute.B The attribute id in the Item object is modified to the new value.C Compilation fails.D An exception is thrown at runtime.E The attribut...
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问题:单选题Given: What is the result?()A If you define D e = new E(), then e.bMethod() invokes the version of bMethod() defined in Line 5.B If you define D e = (D)(new E()), then e.bMethod() invokes the version of bMethod() defined in Line 5.C Compilation...
问题:多选题Which two code fragments correctly create and initialize a static array of int elements?()AABBCCDD...
问题:单选题Given: 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? ()A Compilation fails because of...
问题:多选题A JavaBeans component has the following field: 11. private boolean enabled; Which two pairs of method declarations follow the JavaBeans standard for accessing this field?()AABBCCDD...
问题:单选题Click the Exhibit button. Given this code from Class B: 25. A a1 = new A(); 26. A a2 = new A(); 27. A a3 = new A(); 28. System.out.println(A.getInstanceCount()); What is the result?()A Compilation of class A fails.B Line 28 prints the v...
问题:多选题Given: Which five methods, inserted independently at line 5, will compile?()Aprotected int blipvert(long x) { return 0; }Bprotected long blipvert(int x) { return 0; }Cprivate int blipvert(long x) { return 0; }Dprivate int blipvert(int x) { return 0; }E...
问题:单选题Given: 11. public void genNumbers() { 12. ArrayList numbers = new ArrayList(); 13. for (int i=0; i10; i++) { 14. int value = i * ((int) Math.random()); 15. Integer intObj = new Integer(value); 16. numbers.add(intObj); 17. } 18. System.out...
问题:单选题Given: Which code, inserted at line 15, creates an instance of the Point class defined in Line?()A Line l = new Line() ; l.Point p = new l.Point();B Line.Point p = new Line.Point();C The Point class cannot be instatiated at line 15.D Point p =...
问题:多选题Given: 11. // insert code here 12. private N min, max; 13. public N getMin() { return min; } 14. public N getMax() { return max; } 15. public void add(N added) { 16. if (min == null || added.doubleValue() max.doubleValue()) 19. max = adde...
问题:多选题Given: 12. NumberFormat nf = NumberFormat.getInstance(); 13. nf.setMaximumFractionDigits(4); 14. nf.setMinimumFractionDigits(2); 15. String a = nf.format(3.1415926); 16. String b = nf.format(2); Which two statements are true about the resul...
问题:单选题Given: 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. A a ...
问题:单选题Given: What is the result?()A An exception is thrown at runtime.B r, e, o,C Compilation fails.D r, t, t,...