package btp.oneP;

public class AssociativeArray<K,V>{

public static void main(String[] args) {

AssociativeArray<String,String> map = new AssociativeArray<String,String>(6);

map.put("sky", "blue");

map.put("grass", "green");

map.put("ocean", "dancing");

map.put("tree", "tall");

map.put("earth", "brown");

map.put("sun", "warm");

try{

map.put("extra", "object");

}catch(Exception e){

System.out.println(e);

}

System.out.println(map);

System.out.println(map.get("ocean"));

}

private Object[][] pair;

private int index;

public AssociativeArray(int length){

pair = new Object[length][2];

}

public void put(K key,V value){

if(index >= pair.length){

throw new ArrayIndexOutOfBoundsException();

}

pair[index++] = new Object[]{key,value};

}

@SuppressWarnings("unchecked")

public V get(K key){

for(int i=0;i<pair.length;i++){

if(key.equals(pair[i][0])){

return (V)pair[i][1];

}

}

return null;

}

public String toString(){

StringBuilder sb = new StringBuilder();

for(int i=0;i<index;i++){

sb.append(pair[i][0].toString());

sb.append(" : ");

sb.append(pair[i][1].toString());

if(i<index-1){

sb.append("\n");

}

}

return sb.toString();

}

}