Eclipse prompts guides you about Type Safety and resolutions. The image below shows the possible resolution of raw to generic type.   

import java.io.*;
import java.lang.reflect.*;
import java.util.*;
public class ClassTemplate1 {
public String str1; private String str2; 
       public ClassTemplate1() {
		// TODO Auto-generated constructor stub
		str2="encapsulated strictly Private scope"; 
		System.out.println(str2);
	}

	public static void main(String[] args) throws Exception {
		// TODO Auto-generated method stub
	try{
	System.out.println(" Arrays List string objects---"); 
	ArrayList<String> str1 = new ArrayList<String>();
	str1.add("Tom");	str1.add("Pan");	str1.add("Steve");
	System.out.println("Processing Generics type");
	Process.display(str1);
		// raw type
	ArrayList str2 = new ArrayList();
	str2.add("chemistry");	str2.add("Histroy");
	str2.add("English");
	//calling static class directly with class name
	System.out.println("Processing raw type");
	Process.display(str2);
		}catch(NumberFormatException e){
			//
		}
			}
}
//Class processing string array list
class Process{
	Process() {} //  constructor
	
 public static void display(ArrayList str1 ){
	for(String stx : str1)
		{
	 System.out.println("\t"+ stx + " array of "+ str1.toString());
	}
	}
	
}