Polling of a navigable map is shown at (12) For each entry, its key and its value is printed in Java

Maker QR Code JIS X 0510 in Java Polling of a navigable map is shown at (12) For each entry, its key and its value is printed
Polling of a navigable map is shown at (12) For each entry, its key and its value is printed
Draw QR Code In Java
Using Barcode encoder for Java Control to generate, create QR Code ISO/IEC18004 image in Java applications.
Histogram (by polling): 10: 1 60: 1 75: 3 80: 1 90: 1 95: 2 185: 1 Number of weights registered: 10
Drawing Barcode In Java
Using Barcode creation for Java Control to generate, create bar code image in Java applications.
Polling is done directly on the navigable map, and the retrieved entry is removed from the map A map is not Iterable However, an iterator or a for(:) loop can be used to traverse a set view of the map
Recognize Barcode In Java
Using Barcode scanner for Java Control to read, scan read, scan image in Java applications.
1510: THE SortedMap<K,V> AND NavigableMap<K,V> INTERFACES
QR Code Generator In C#
Using Barcode generator for .NET framework Control to generate, create QR image in VS .NET applications.
Example 1522 Using Navigable Maps import import import import import javautilArrays; javautilMap; javautilNavigableMap; javautilSet; javautilTreeMap;
Create Denso QR Bar Code In Visual Studio .NET
Using Barcode creator for ASP.NET Control to generate, create QR Code JIS X 0510 image in ASP.NET applications.
public class WeightGroups2 { public static void main(String[] args) { // Create a navigable map to store the frequency for each group NavigableMap<Integer, Integer> groupFreqMap = new TreeMap<Integer, Integer>(); // Determine the frequencies: for (String argument : args) { // Get the value from an argument and group into intervals of 5 double weight = DoubleparseDouble(argument); int weightGroup = (int) Mathround(weight/5)*5; Integer frequency = groupFreqMapget(weightGroup); // Increment frequency if necessary frequency = (frequency == null) 1 : frequency+1; groupFreqMapput(weightGroup, frequency); } // Print statistics about the frequency map: Systemoutprintln("Group frequency map: " + groupFreqMap); Systemoutprintln("No of weight groups: " + groupFreqMapsize()); Systemoutprintln("First entry: " + groupFreqMapfirstEntry()); Systemoutprintln("Last entry: " + groupFreqMaplastEntry()); Systemoutprintln("Greatest entry <= 77: " + groupFreqMapfloorEntry(77)); Systemoutprintln("Smallest key > 90: " + groupFreqMaphigherKey(90));
QR Code Generator In .NET
Using Barcode printer for .NET framework Control to generate, create QR-Code image in .NET applications.
// (1) // (2)
Paint QR Code In VB.NET
Using Barcode creation for .NET framework Control to generate, create QR Code ISO/IEC18004 image in VS .NET applications.
// (3) // (4) // (5) // (6)
Data Matrix ECC200 Generator In Java
Using Barcode maker for Java Control to generate, create Data Matrix ECC200 image in Java applications.
// (7) // (8)
GTIN - 12 Printer In Java
Using Barcode encoder for Java Control to generate, create UPC-A Supplement 2 image in Java applications.
Systemoutprintln("Groups >= 75: " + groupFreqMaptailMap(75, true)); // (9) Systemoutprintln("Groups < 75: " + groupFreqMapheadMap(75, false)); // (10) // Print the histogram for the weight groups: Systemoutprintln("Histogram:"); int numRegistered = printHistogram(groupFreqMap); // (11) Systemoutprintln("Number of weights registered: " + numRegistered); // Poll the navigable map: Systemoutprintln("Histogram (by polling):"); int sumValues = 0; while (!groupFreqMapisEmpty()) { MapEntry<Integer, Integer> entry = groupFreqMappollFirstEntry(); int frequency = entrygetValue(); sumValues += frequency; Systemoutprintf("%5s: %s%n", entrygetKey(), frequency); } Systemoutprintln("Number of weights registered: " + sumValues); } /** Prints histogram from a navigable map containing frequencies * Returns the sum of frequencies */ (12)
Barcode Encoder In Java
Using Barcode maker for Java Control to generate, create bar code image in Java applications.
CHAPTER 15: COLLECTIONS AND MAPS public static <K> int printHistogram(NavigableMap<K, Integer> freqMap) { // (13) // Create a set of entries in ascending key order Set<MapEntry<K, Integer>> navEntrySet = freqMapentrySet(); // (14) int sumValues= 0; // Traverse the set of entries to print the histogram: for (MapEntry<K, Integer> entry : navEntrySet) { // (15) /* Extract frequency value from entry * Use the Arraysfill() method to fill a char array with equivalent * number of * as the frequency value * Convert the char array to string in order to print */ int frequency = entrygetValue(); sumValues += frequency; char[] bar = new char[frequency]; Arraysfill(bar, * ); // Print key and bar Systemoutprintf("%5s: %s%n", entrygetKey(), new String(bar)); } return sumValues; } }
Make Code 39 Extended In Java
Using Barcode creation for Java Control to generate, create Code 39 image in Java applications.
Running the program with the following argument:
Draw European Article Number 13 In Java
Using Barcode creator for Java Control to generate, create EAN-13 image in Java applications.
>java WeightGroups2 74 75 93 75 93 82 61 92 10 185
Draw ITF-14 In Java
Using Barcode generator for Java Control to generate, create UCC - 14 image in Java applications.
gives the following output:
Decode UPC Code In .NET Framework
Using Barcode decoder for .NET framework Control to read, scan read, scan image in VS .NET applications.
Group frequency map: {10=1, 60=1, 75=3, 80=1, 90=1, 95=2, 185=1} No of weight groups: 7 First entry: 10=1 Last entry: 185=1 Greatest entry <= 77: 75=3 Smallest key > 90: 95 Groups >= 75: {75=3, 80=1, 90=1, 95=2, 185=1} Groups < 75: {10=1, 60=1} Histogram: 10: * 60: * 75: *** 80: * 90: * 95: ** 185: * Number of weights registered: 10 Histogram (by polling): 10: 1 60: 1 75: 3 80: 1 90: 1 95: 2 185: 1 Number of weights registered: 10
UPCA Generation In VS .NET
Using Barcode creation for ASP.NET Control to generate, create UCC - 12 image in ASP.NET applications.
1510: THE SortedMap<K,V> AND NavigableMap<K,V> INTERFACES
Code 39 Drawer In Visual C#
Using Barcode encoder for VS .NET Control to generate, create USS Code 39 image in .NET framework applications.
Review Questions
Barcode Drawer In Visual Basic .NET
Using Barcode generation for .NET framework Control to generate, create bar code image in Visual Studio .NET applications.
1527 Which of these methods can be called on objects implementing the Map<K, V> interface Select the two correct answers (a) contains(Object o) (b) addAll(Map< extends K, extends V> m) (c) remove(Object o) (d) values() (e) toArray() 1528 Which statements are true about maps Select the two correct answers (a) The return type of the values() method is Set (b) Changes made in the set view returned by keySet() will be reflected in the original map (c) The Map interface extends the Collection interface (d) All keys in a map are unique (e) All Map implementations keep the keys sorted 1529 Which of these classes have a comparator() method Select the two correct answers (a) ArrayList (b) HashMap (c) TreeSet (d) HashSet (e) TreeMap 1530 Which methods are defined by the javautilMapEntry<K, V> interface Select the two correct answers (a) K getKey() (b) K setKey(K value) (c) V getValue() (d) V setValue(V value) (e) void set(K key, V value) 1531 Which statements are true about the following program
Encoding UCC - 12 In .NET
Using Barcode generator for .NET Control to generate, create UPC-A image in Visual Studio .NET applications.
import javautilCollection; import javautilCollections; import javautilNavigableSet; import javautilTreeSet; public class ConstructingSortedSets { public static void main(String[] args) {
Scanning Bar Code In Java
Using Barcode scanner for Java Control to read, scan read, scan image in Java applications.
CHAPTER 15: COLLECTIONS AND MAPS NavigableSet<Integer> navSet = new TreeSet<Integer>(CollectionsreverseOrder()); CollectionsaddAll(navSet, 2010, 3001, 2001); NavigableSet<Integer> ss1 = new TreeSet<Integer>(navSet); NavigableSet<Integer> ss2 = new TreeSet<Integer>((Collection<Integer>)navSet); for (Integer iRef : navSet) Systemoutprint(iRef + "|"); Systemoutprintln(); for (Integer iRef : ss1) Systemoutprint(iRef + "|"); Systemoutprintln(); for (Integer iRef : ss2) Systemoutprint(iRef + "|"); Systemoutprintln(); while (!ss1isEmpty()) Systemoutprint(ss1pollFirst() + "|"); Systemoutprintln(); while (!ss2isEmpty()) Systemoutprint(ss2pollFirst() + "|"); } } // (1)
Code 128 Code Set B Drawer In C#.NET
Using Barcode drawer for VS .NET Control to generate, create Code 128 Code Set B image in .NET framework applications.
// (2)
// (3)
// (4)
// (5)
Select the three correct answers (a) (b) (c) (d) (e) 1532 The loop at (1) prints 3001|2010|2001| The loops at (1), (2) and (4) print the same output The loop at (3) prints 3001|2010|2001| All the loops print the same output The loops at (3) and (5) print the same output
Which code, when inserted independently at (1), will result in the following output from the program: {be=2, not=1, or=1, to=2}
import javautilMap; import javautilTreeMap; public class FreqMap { public static void main(String[] args) { Map<String, Integer> freqMap = new TreeMap<String, Integer>(); for (String key : new String[] {"to", "be", "or", "not", "to", "be"}) { // (1) INSERT CODE HERE } Systemoutprintln(freqMap); } }
Select the two correct answers (a) Integer frequency = freqMapget(key);
frequency = (frequency == 0) 1 : frequency+1; freqMapput(key, frequency);
(b) Integer frequency = freqMapget(key);
frequency = (frequency == null) 1 : frequency+1; freqMapput(key, frequency);