Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

public class Main {

    public static final void main(String[] args) {
        Map<String, String> m = new HashMap<>();
        m.put("a", "alpha");
        m.put("b", "beta");

        Iterator<Map.Entry<String, String>> it = m.entrySet().iterator();
        while (it.hasNext()) {
            Map.Entry<String, String> entry = it.next();
            if (entry.getKey() == "b") {
                entry.setValue("new Value");
            }
        }
        it = m.entrySet().iterator();
        while (it.hasNext()) {
            Map.Entry<String, String> entry = it.next();
            System.out.println("key = " + entry.getKey() + ", value = " + entry.getValue());
        }
    }
}