Question

How to print TreeSet in Java

Answer 1

import java.util.TreeSet; 
 
public class MyClass {
    public static void main(String args[]) {
        TreeSet<String> ts = new TreeSet<String>(); 
   
        ts.add("java"); 
        ts.add("php"); 
        ts.add("c"); 
        ts.add("c++"); 
        ts.add("java"); 
   
        for (String s : ts) {
            System.out.println(s);
        }    
    }
}
 
 
 
/*
run:
 
c
c++
java
php
 
*/

 

70+ SQL courses for beginners and professionals

Answer 2

import java.util.TreeSet; 
 
public class MyClass {
    public static void main(String args[]) {
        TreeSet<String> ts = new TreeSet<String>(); 
   
        ts.add("java"); 
        ts.add("php"); 
        ts.add("c"); 
        ts.add("c++"); 
        ts.add("java"); 
        
        ts.forEach(element -> {
            System.out.println(element);
        });
    }
}
 
 
 
 
/*
run:
 
c
c++
java
php
 
*/

 

70+ SQL courses for beginners and professionals