import java.util.Scanner;

public class StringParser
{
	private Scanner input;
	private String w1, w2, w3, w4;
	
	public StringParser()
	{
	    input = new Scanner(System.in);
	    System.out.println("Give the first word:");
	    w1 = input.nextLine();
	    System.out.println("Give the second word:");
	    w2 = input.nextLine();
	    System.out.println("Give the third word:");
	    w3 = input.nextLine();
	    System.out.println("Give the fourth word:");
	    w4 = input.nextLine();
	}

	public void startProgram()
	{
	    int choice;
	    do{
	        menu();
	        choice = input.nextInt();
	        input.nextLine();
	        if(choice == 1)
	            largest();
	        else if(choice == 2)
	            search();
	        else if(choice == 3)
	            subSearch();
	        else if(choice == 4)
	           System.out.println("Goodbye");
	        else
	          System.out.println("That's not a choice");
	       }while(choice != 4);
	   }
	private void menu()
	{
	     System.out.println("\nPress 1 to find the largest String."); 
         System.out.println("Press 2 to search for a a particular String."); 
         System.out.println("Press 3 to search for a particular substring anywhere in the string." );
         System.out.println("Press 4 to exit."); 
	}
	
	private void largest()
	{
	    String largest = w1;
	    if(largest.length() < w2.length())
	         largest = w2;
	    if(largest.length() < w3.length())
	         largest = w3;
	    if(largest.length() < w4.length())
	         largest = w4; 
	    System.out.println(largest + " is the largest at a size of " +   largest.length()); 
	}
	private void search()
	{
	    System.out.println("Give a new word to be searched for:");
	    String word = input.nextLine();    
	    if(word.equals(w1))
	       System.out.println("Word 1 is the same");
	    else if(word.equals(w2))
	       System.out.println("Word 2 is the same");
	    else if(word.equals(w3))
	       System.out.println("Word 3 is the same");
	    else if(word.equals(w4))
	       System.out.println("Word 4 is the same");
	    else
	       System.out.println(word + " was not found.");
	}
	private void subSearch()
	{
        System.out.println("Give a substring to be searched for:");
        String sub = input.nextLine();
        boolean flag = false;
        if(w1.contains(sub))
        {
           flag = true;
           System.out.println("Word 1 has the substring");
        }
        if(w2.contains(sub))
        {
           flag = true;
           System.out.println("Word 2 has the substring");
        }
        if(w3.contains(sub))
        {
            flag = true;
            System.out.println("Word 3 has the substring");
        }
        if(w4.contains(sub))
        {
            flag = true;
            System.out.println("Word 4 has the substring");
        }
        if(!flag)
           System.out.println("Substring " + sub + " was not found.");
    }
        
	    
	
}