Java TreeSet Exercises, Practice & Solutions
This resource offers a total of 80 Java TreeSet problems for practice. It includes 16 main exercises, each accompanied by solutions, detailed explanations, and four related problems.
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TreeSet:
In Java, TreeSet is an implementation of the SortedSet interface provided by the Java Collections Framework. It's part of the java.util package.
1. Create and Print TreeSet
Write a Java program to create a tree set, add some colors (strings) and print out the tree set.
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2. Iterate TreeSet Elements
Write a Java program to iterate through all elements in a tree set.
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3. Add Elements to Another TreeSet
Write a Java program to add all the elements of a specified tree set to another tree set.
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4. Reverse Order TreeSet
Write a Java program to create a reverse order view of the elements contained in a given tree set.
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5. Get First and Last TreeSet Elements
Write a Java program to get the first and last elements in a tree set.
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6. Clone TreeSet
Write a Java program to clone a tree set list to another tree set.
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7. TreeSet Size
Write a Java program to get the number of elements in a tree set.
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8. Compare TreeSets
Write a Java program to compare two tree sets.
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9. Elements Less Than 7 in TreeSet
Write a Java program to find numbers less than 7 in a tree set.
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10. TreeSet Ceiling Element
Write a Java program to get the element in a tree set which is greater than or equal to the given element.
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11. TreeSet Floor Element
Write a Java program to get the element in a tree set less than or equal to the given element.
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12. TreeSet Higher Element
Write a Java program to get the element in a tree set strictly greater than or equal to the given element.
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13. TreeSet Lower Element
Write a Java program to get an element in a tree set that has a lower value than the given element.
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14. Poll First TreeSet Element
Write a Java program to retrieve and remove the first element of a tree set.
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15. Poll Last TreeSet Element
Write a Java program to retrieve and remove the last element of a tree set.
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16. Remove Element from TreeSet
Write a Java program to remove a given element from a tree set.
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Do not submit any solution of the above exercises at here, if you want to contribute go to the appropriate exercise page.