myStringList.java

import java.io.*;
import java.util.*;

public class myStringList {
	private String[] data;
	private int numItems;
	
	public myStringList() {
		data = new String[5];
		numItems=0;
	}
	public boolean isFull() {
		return numItems >= data.length;
	}
	
	public void grow() {
		System.out.println("Growing from "+data.length+" to "+data.length*1.5);
		// "grow" the array by creating a new one and copying over
		String[] tmpArray = new String[data.length + data.length/2];
		for (int i=0; i<data.length; i++) {
			tmpArray[i] = data[i];
		}
		data = tmpArray;
	}

	public void add(String d) {
		if (isFull()) {
			grow();
		}
		data[numItems] = d;
		numItems++;
	}
	
	public void add(int pos, String d) {
		if (isFull()) {
			String[] ret = new String[data.length + 1];
			for (int i = 0; i < numItems + 1; i++) {
				if (i < pos) {
					ret[i] = data[i];
				} else if (i > pos){
					System.out.println(i);
					ret[i] = data[i-1];
				} else{
					ret[pos] = d;
				}
			}
			data = ret;
		} else {
			for (int i = numItems; i > pos; i--) {
				data[i] = data[i-1];
			}
			data[pos] = d;
		
		}
		numItems++;

	}
	
	public void remove(int pos) {
		for (int i=pos; i<numItems-1; i++) {
			data[i] = data[i + 1];
		}
		data[numItems - 1] = "";
		numItems--;
	}

	public String get(int pos) {
		return data[pos];
	}

	public void set(int pos, String d) {
		data[pos] = d;
	}

	public int size() {
		return numItems;
	}
	
	public String toString() {
		String s = Arrays.toString(data)+" : "+numItems;
		return s;
	}
	
	public String find(String n) {
		for (int i = 0; i < numItems; i++) {
			if(data[i].equals(n)) {
				return data[i];
			}
		}
		return "";
	}
	
	public void fremove(String n) {
		for (int i = 0; i < numItems; i++) {
			if (data[i].equals(n)) {
				remove(i);
			}
		}
	}
}