129 lines
14 KiB
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129 lines
14 KiB
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<table width="100%"><tr><td align="center">/home/caleb/ASDV-Java/Semester 3/Assignments/JavaFXBallsWithComparator/src/main/java/edu/slcc/asdv/caleb/javafxballswithcomparator/TestTheCollections.java</td></tr></table>
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<pre>
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<span class="comment">/*</span>
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<span class="comment"> * Click </span><span class="ST0">nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt</span><span class="comment"> to change this license</span>
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<span class="comment"> * Click </span><span class="ST0">nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java</span><span class="comment"> to edit this template</span>
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<span class="comment"> */</span>
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<span class="literal">package</span> edu.slcc.asdv.caleb.javafxballswithcomparator;
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<span class="literal">import</span> java.util.ArrayList;
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<span class="literal">import</span> java.util.Arrays;
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<span class="literal">import</span> java.util.Collection;
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<span class="literal">import</span> java.util.Collections;
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<span class="literal">import</span> java.util.List;
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<span class="literal">import</span> java.util.Random;
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<span class="comment">/**</span>
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<span class="comment"> *</span>
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<span class="comment"> * </span><span class="comment">@author</span> <span class="comment">caleb</span>
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<span class="comment">*/</span>
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<span class="literal">public</span> <span class="literal">class</span> TestTheCollections {
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<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> <span class="ST1">main</span>(String[] args) {
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System.<span class="ST2">out</span>.println(<span class="string">"</span><span class="string">Sorting in ascending order</span><span class="string">"</span>);
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List<String> list1 = Arrays.<span class="ST3">asList</span>(<span class="string">"</span><span class="string">red</span><span class="string">"</span>, <span class="string">"</span><span class="string">green</span><span class="string">"</span>, <span class="string">"</span><span class="string">blue</span><span class="string">"</span>);
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Collections.<span class="ST3">sort</span>(list1);
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System.<span class="ST2">out</span>.println(list1);
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System.<span class="ST2">out</span>.println(<span class="string">"</span><span class="string">Sorting in descending order</span><span class="string">"</span>);
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List<String> list2 = Arrays.<span class="ST3">asList</span>(<span class="string">"</span><span class="string">yellow</span><span class="string">"</span>, <span class="string">"</span><span class="string">red</span><span class="string">"</span>, <span class="string">"</span><span class="string">green</span><span class="string">"</span>, <span class="string">"</span><span class="string">blue</span><span class="string">"</span>);
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Collections.<span class="ST3">sort</span>(list2);
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System.<span class="ST2">out</span>.println(list2);
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System.<span class="ST2">out</span>.println(<span class="string">"</span><span class="literal">\n</span><span class="string">Binary Search</span><span class="string">"</span>);
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List<Integer> list3
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= Arrays.<span class="ST3">asList</span>(<span class="number">2</span>, <span class="number">4</span>, <span class="number">7</span>, <span class="number">1</span><span class="number">0</span>, <span class="number">1</span><span class="number">1</span>, <span class="number">4</span><span class="number">5</span>, <span class="number">5</span><span class="number">0</span>, <span class="number">5</span><span class="number">9</span>, <span class="number">6</span><span class="number">0</span>, <span class="number">6</span><span class="number">6</span>);
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System.<span class="ST2">out</span>.println(list3 + <span class="string">"</span><span class="string"> 7 is at index: </span><span class="string">"</span> + Collections.<span class="ST3">binarySearch</span>(list3, <span class="number">7</span>));
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System.<span class="ST2">out</span>.println(list3 + <span class="string">"</span><span class="string"> 9 is at index: </span><span class="string">"</span> + Collections.<span class="ST3">binarySearch</span>(list3, <span class="number">9</span>));
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System.<span class="ST2">out</span>.println(list3 + <span class="string">"</span><span class="string"> 100 is at index: </span><span class="string">"</span> + Collections.<span class="ST3">binarySearch</span>(list3, <span class="number">1</span><span class="number">00</span>));
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List<String> list4 = <span class="literal">new</span> ArrayList<>();
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list4.addAll(list1);
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System.<span class="ST2">out</span>.println(list4 + <span class="string">"</span><span class="string"> red is at index: </span><span class="string">"</span> + Collections.<span class="ST3">binarySearch</span>(list4, <span class="string">"</span><span class="string">red</span><span class="string">"</span>));
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System.<span class="ST2">out</span>.println(list4 + <span class="string">"</span><span class="string"> amber is at index: </span><span class="string">"</span> + Collections.<span class="ST3">binarySearch</span>(list4, <span class="string">"</span><span class="string">amber</span><span class="string">"</span>));
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System.<span class="ST2">out</span>.println(list4 + <span class="string">"</span><span class="string"> brown is at index: </span><span class="string">"</span> + Collections.<span class="ST3">binarySearch</span>(list4, <span class="string">"</span><span class="string">brown</span><span class="string">"</span>));
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System.<span class="ST2">out</span>.println(<span class="string">"</span><span class="literal">\n</span><span class="string">Reverse the list</span><span class="string">"</span>);
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List<String> list5 = <span class="literal">new</span> ArrayList<>();
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list5.addAll(list2);
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System.<span class="ST2">out</span>.println(<span class="string">"</span><span class="string">Original list: </span><span class="string">"</span> + list5);
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Collections.<span class="ST3">reverse</span>(list5);
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System.<span class="ST2">out</span>.println(<span class="string">"</span><span class="string">Reversed list: </span><span class="string">"</span> + list5);
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System.<span class="ST2">out</span>.println(<span class="string">"</span><span class="literal">\n</span><span class="string">Shuffle lists</span><span class="string">"</span>);
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List<String> list6 = <span class="literal">new</span> ArrayList<>();
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List<String> list7 = <span class="literal">new</span> ArrayList<>();
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list6.addAll(list2);
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list7.addAll(list2);
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System.<span class="ST2">out</span>.println(<span class="string">"</span><span class="string">Original list: </span><span class="string">"</span> + list6);
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Collections.<span class="ST3">shuffle</span>(list6, <span class="literal">new</span> Random(<span class="number">2</span><span class="number">0</span>));
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System.<span class="ST2">out</span>.println(<span class="string">"</span><span class="string">Shuffled list: </span><span class="string">"</span> + list6);
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System.<span class="ST2">out</span>.println(<span class="string">"</span><span class="string">Original list: </span><span class="string">"</span> + list7);
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Collections.<span class="ST3">shuffle</span>(list7, <span class="literal">new</span> Random(<span class="number">2</span><span class="number">0</span>));
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System.<span class="ST2">out</span>.println(<span class="string">"</span><span class="string">Shuffled list: </span><span class="string">"</span> + list7);
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List<String> list8 = <span class="literal">new</span> ArrayList<>();
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list8.addAll(list2);
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List<String> list9 = Arrays.<span class="ST3">asList</span>(<span class="string">"</span><span class="string">white</span><span class="string">"</span>, <span class="string">"</span><span class="string">black</span><span class="string">"</span>);
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System.<span class="ST2">out</span>.println(<span class="string">"</span><span class="literal">\n</span><span class="string">Copy into </span><span class="string">"</span> + list8 + <span class="string">"</span><span class="string"> the list </span><span class="string">"</span> + list9);
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Collections.<span class="ST3">copy</span>(list8, list9);
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System.<span class="ST2">out</span>.println(list8);
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System.<span class="ST2">out</span>.println(<span class="string">"</span><span class="string">The output for list 8 is [white, black, green, blue].</span><span class="literal">\n</span><span class="string">"</span>
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+ <span class="string">"</span><span class="string">The copy method performs a </span><span class="literal">\n</span><span class="string">"</span>
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+ <span class="string">"</span><span class="string">shallow copy: only the references of the elements fromt he source list are copied.</span><span class="string">"</span>
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);
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List<String> list10 = <span class="literal">new</span> ArrayList<>();
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list10.addAll(list1);
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System.<span class="ST2">out</span>.println(<span class="string">"</span><span class="literal">\n</span><span class="string">Fill the list </span><span class="string">"</span> + list10 + <span class="string">"</span><span class="string"> with </span><span class="literal">\'</span><span class="string">black</span><span class="literal">\'</span><span class="string">.</span><span class="string">"</span>);
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Collections.<span class="ST3">fill</span>(list10, <span class="string">"</span><span class="string">black</span><span class="string">"</span>);
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System.<span class="ST2">out</span>.println(list10);
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<span class="comment">/*</span>
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<span class="comment"> The disjoint(collection1, collection2) method returns true if the two collections</span>
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<span class="comment"> have no elements in common. For example, in the following code, the disjoint(collection1,</span>
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<span class="comment"> collectio2) returns false, but the disjoint(collection1, collection3) returns true.</span>
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<span class="comment"> */</span>
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System.<span class="ST2">out</span>.println(<span class="string">"</span><span class="literal">\n</span><span class="string">Collections.disjoints()</span><span class="string">"</span>);
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Collection<String> collection1 = Arrays.<span class="ST3">asList</span>(<span class="string">"</span><span class="string">red</span><span class="string">"</span>, <span class="string">"</span><span class="string">cyan</span><span class="string">"</span>);
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Collection<String> collection2 = Arrays.<span class="ST3">asList</span>(<span class="string">"</span><span class="string">red</span><span class="string">"</span>, <span class="string">"</span><span class="string">blue</span><span class="string">"</span>);
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Collection<String> collection3 = Arrays.<span class="ST3">asList</span>(<span class="string">"</span><span class="string">pink</span><span class="string">"</span>, <span class="string">"</span><span class="string">tan</span><span class="string">"</span>);
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System.<span class="ST2">out</span>.println(Collections.<span class="ST3">disjoint</span>(collection1, collection2));
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System.<span class="ST2">out</span>.println(Collections.<span class="ST3">disjoint</span>(collection1, collection3));
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System.<span class="ST2">out</span>.println(<span class="string">"</span><span class="literal">\n</span><span class="string">Frequency</span><span class="string">"</span>);
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Collection<String> collection = Arrays.<span class="ST3">asList</span>(<span class="string">"</span><span class="string">red</span><span class="string">"</span>, <span class="string">"</span><span class="string">cyan</span><span class="string">"</span>, <span class="string">"</span><span class="string">red</span><span class="string">"</span>);
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System.<span class="ST2">out</span>.println(collection + <span class="string">"</span><span class="string"> red occurs </span><span class="string">"</span> + Collections.<span class="ST3">frequency</span>(collection, <span class="string">"</span><span class="string">red</span><span class="string">"</span>) + <span class="string">"</span><span class="string"> times.</span><span class="string">"</span>);
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}
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}
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