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TableNested.java
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80 lines (64 loc) · 1.82 KB
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package TableNested;
import Table.Entry;
import java.util.ArrayList;
/**
* All you need to do for this microlab is take the Table and Entry from the last one and make Entry a nested class.
* Think about how nested classes should work with generics.
*/
public class TableNested<K, V> {
private ArrayList<Entry<K, V>> entries;
public TableNested() {
this.entries = new ArrayList<>();
}
public ArrayList<Entry<K, V>> getEntries() {
return entries;
}
public V get(K key) {
V value = null;
for (int i = 0; i < entries.size(); i++) {
K entryKey = entries.get(i).getKey();
if (entryKey.equals(key)) {
value = entries.get(i).getValue();
}
}
return value;
}
public int size(){
return entries.size();
}
public void put(K key, V value) {
if(entries.size() == 0) {
entries.add(new Entry<>(key, value));
} else {
for (int i = 0; i < entries.size(); i++) {
if ((key.equals(entries.get(i).getKey()))) {
entries.set(i, new Entry<>(key, value));
} else {
entries.add(i, new Entry<>(key, value));
}
}
}
}
public void remove(K key) {
for (int i = 0; i < entries.size(); i++) {
K entryKey = entries.get(i).getKey();
if (entryKey.equals(key)) {
entries.remove(i);
}
}
}
private class Entry<H,R> {
private H key;
private R value;
public Entry(H key, R value) {
this.key = key;
this.value = value;
}
public H getKey() {
return key;
}
public R getValue() {
return value;
}
}
}