Вроде создаю обьект софт референс, но всё не то...
package com.javarush.task.task34.task3405;
import java.util.ArrayList;
import java.util.List;
/*
Мягкие ссылки
*/
public class Solution {
public static Helper helper = new Helper();
public static class Monkey {
private String name;
public Monkey(String name) {
this.name = name;
}
protected void finalize() {
Helper.isFinalized = true;
System.out.format("Bye-Bye, %s!\n", name);
}
}
public static void main(String args[]) throws InterruptedException {
helper.startTime();
Monkey monkey = new Monkey("Simka");
//Add reference here
SoftReference<Monkey> monkeyRef = new SoftReference<Monkey>(monkey);
helper.callGC();
monkey = null;
helper.callGC();
helper.consumeHeap();
if (reference.get() == null)
System.out.println("Finalized");
helper.finish();
}
public static class Helper {
public static boolean isFinalized;
private long startTime;
void startTime() {
this.startTime = System.currentTimeMillis();
}
int getTime() {
return (int) (System.currentTimeMillis() - startTime) / 1000;
}
void callGC() throws InterruptedException {
System.gc();
Thread.sleep(1000);
}
void consumeHeap() {
try {
List<Solution> heap = new ArrayList<Solution>(100000);
while (!isFinalized) {
heap.add(new Solution());
}
} catch (OutOfMemoryError e) {
System.out.println("An out-of-memory exception has occurred");
}
}
public void finish() {
System.out.println("Done");
System.out.println("It took " + getTime() + " s");
}
}
}