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Check if a particular value exists in Java TreeSet example
Posted: Mar 8, 2016 6:11 AM
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Original Post: Check if a particular value exists in Java TreeSet example
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1.Basic Java program to check particular value present in TreeSet or not? package com.TreeSetExamplePrograms; public Class TreeSetDemo{ public static void main(String args[]) { //create TreeSet object TreeSet<String> treeSet = new TreeSet<String>(); //add elements to TreeSet treeSet.add("1"); treeSet.add("3"); treeSet.add("2"); treeSet.add("5"); treeSet.add("6"); treeSet.add("7"); treeSet.add("8"); treeSet.add("9"); treeSet.add("10"); boolean isExists = treeSet.contains("5"); System.out.println("5 exists in treeSet ? " + isExists); } }
5 exists in treeSet ? :true 1.Basic Java program to add elements ans display all elements package com.TreeSetExamplePrograms; import java.util.Scanner; public Class TreeSetDemo{ public static void main(String args[]) { //create TreeSet object TreeSet<Integer> treeSet = new TreeSet<Integer>(); //add elements to TreeSet treeSet.add(1); treeSet.add(3); treeSet.add(2); treeSet.add(5); treeSet.add(6); treeSet.add(7); treeSet.add(8); treeSet.add(9); treeSet.add(10); System.out.println(treeset); } } [1, 2, 3, 5, 6, 7, 8, 9, 10]
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