Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.Set;

public class Main {
    public static void main(String[] args) {
        LinkedHashMap<String, String> lHashMap = new LinkedHashMap<String, String>();

        lHashMap.put("1", "One");
        lHashMap.put("2", "Two");
        lHashMap.put("3", "Three");

        Set st = lHashMap.keySet();

        Iterator itr = st.iterator();

        while (itr.hasNext()) {
            System.out.println(itr.next());
        }
        st.remove("2");

        boolean blnExists = lHashMap.containsKey("2");
        System.out.println(blnExists);
    }
}
/*
1
2
3
false
*/