156. Place the code fragments into position to use a BufferedReader to read in an entire text file.

169. 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 result if the default locale is Locale.US? (Choose two.) (A) The value of b is 2. (B) The value of a is 3.14. (C) The value of b is 2.00. (D) The value of a is 3.141. (E) The value of a is 3.1415. (F) The value of a is 3.1416. (G)The value of b is 2.0000.

176. Place the code fragments into position to produce the output: true true false CodeScanner scanner = new Scanner("One,5,true,3,true,6,7,false'');scanner.useDelimiter(",");

179. Place the Relations on their corresponding Implementation Structures. Note Not all Implementation Structures will be used.

180. Place the correct description of the compiler output on the code fragments to be inserted at lines 4 and 5. The same compiler output may be used more than once.

181. Place code into the class so that it compiles and generates the output answer = 42. Note: Code options may be used more than once.

182. Given the class definitions:

183. Place the code in the appropriate places such that this program will always output [1, 2].

184. Place each Collection Type on the statement to which it applies.

188. Given a pre-generics implementation of a method: 11. public static int sum(List list){ 12. int sum = 0； 13. for(Iterator iter = list.iterator()； iter.hasNext()；){ 14. int i = ((Integer)iter.next()).intValue()； 15. sum += i； 16. } 17. return sum； 18. } What three changes allow the class to be used with generics and avoid an unchecked warning? (Choose three.) (A) Remove line 14. (B) Replace line 14 with "int i = iter.next()；". (C) Replace line 13 with "for(int i : intList){". (D) Replace line 13 with "for(Iterator iter : intList){". (E) Replace the method declaration with "sum(List＜int＞ intList)". (F) Replace the method declaration with "sum(List＜Integer＞ intList)".

191. 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() ＜ min.doubleValue()) 17. min = added； 18. if(max == null || added.doubleValue() ＞ max.doubleValue()) 19. max = added； 20. } 21. } Which two, inserted at line 11, will allow the code to compile? (Choose two.) (A) public class MinMax＜?＞{ (B) public class MinMax＜? extends Number＞{ (C) public class MinMax＜N extends Object＞{ (D) public class MinMax＜N extends Number＞{ (E) public class MinMax＜? extends Object＞{ (F) public class MinMax＜N extends Integer＞{

104年 - SCJP 201-244#99410

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無年度 - SCJP 6.0 認證教戰手冊第二版 SCJP 6.0 認證教戰手冊第二版 認證教戰手冊第二版_題庫 201-244#83084

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