Added till 18th

LinkedHash17b.java

@@ -0,0 +1,15 @@
+import java.util.*;
+public class LinkedHash17b{
+	public static void main(String args[]){
+		LinkedHashSet<String> pc = new LinkedHashSet<String>();
+		pc.add("RAM stick");
+		pc.add("GPU");
+		pc.add("");
+		pc.add("RAM stick");
+		pc.add("Processor");
+		Iterator<String> itr = pc.iterator();
+		while(itr.hasNext()){
+			System.out.println(itr.next());
+		}
+	}
+}