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Get lowest and highest value stored in Java TreeSet example

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instanceof java

Posts: 576
Nickname: instanceof
Registered: Jan, 2015

instanceof java is a java related one.
Get lowest and highest value stored in Java TreeSet example Posted: Mar 8, 2016 12:11 PM
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Original Post: Get lowest and highest value stored in Java TreeSet example
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1.Basic Java example program get lowest and highest values from treeset

  1. package com.TreeSetExamplePrograms;

  3. public Class TreeSetGetLowestAndHighestDemo{ 
  5.  
  6. public static void main(String args[]) {
  7. //create TreeSet object
  8.  
  9.  
  10.  TreeSet<Integer> treeSet = new TreeSet<Integer>();
  11.        
  12.  //add elements to TreeSet
  13.   treeSet.add(1);
  14.   treeSet.add(3);
  15.   treeSet.add(2);
  16.   treeSet.add(5);
  17.   treeSet.add(6);
  18.   treeSet.add(7);
  19.   treeSet.add(8);
  20.   treeSet.add(9);
  21.   treeSet.add(10);
  22.           
  23.  System.out.println(treeSet);
  24.           
  25.  System.out.println("First element in treeset : " + treeSet.first());           
  26.    
  27.  System.out.println("Last element in treeste" + treeSet.last()); 


  30. }
  31. }


Output:


  1. [1, 2, 3, 4, 5, 6, 7, 8, 9,10]
  2. First element in treeset :1
  3. Last element in treeset :10


2.Basic Java example program print elements of treeset using iterator


  1. package com.TreeSetExamplePrograms;

  3. public Class TreeSetDemo{ 
  5.  
  6. public static void main(String args[]) {
  7. //create TreeSet object
  8.  
  9.  TreeSet<String> treeSet = new TreeSet<String>();
  10.  
  11.    //add elements to TreeSet
  12.     treeSet.add("I");
  13.     treeSet.add("N");
  14.     treeSet.add("S");
  15.     treeSet.add("T");
  16.     treeSet.add("A");
  17.     treeSet.add("N");
  18.     treeSet.add("C");
  19.     treeSet.add("E");
  20.           
  21.     treeSet.add("O");
  22.     treeSet.add("F");
  23.   
  24. Iterator itr = treeSet.iterator();
  25. while(itr.hasNext()){
  26.              System.out.println(itr.next());
  27. }

  29. }
  30. }


Output:

  1. A
  2. C
  3. E
  4. F
  5. I
  6. N
  7. O
  8. S
  9. T

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