This is a draft cheat sheet. It is a work in progress and is not finished yet.
Kostir og gallar
| |
Kostir |
Gallar |
Quick Find |
Flöt tré |
Dýr aðgerð. |
Quick Union |
Einnig dýr aðgerð, há tré. |
|
|
Memory
Type |
Bytes |
Type |
Byte |
Object overhead |
16 bytes |
bool |
1 |
Reference |
8 bytes |
byte |
1 |
Padding |
8 bytes |
char |
2 |
Inner Classes |
8 bytes |
int |
4 |
char[] |
2N + 24 |
float |
4 |
int[] |
4N + 24 |
long |
8 |
int[][] |
~2NM |
double |
8 |
pointers |
8 |
Memory frh.
public class String {
private char[] value;
private int offset;
private int count;
private int hash;
}
8 bytes (reference to array)
2N + 24 bytes (char[] array)
4 bytes (int)
4 bytes (int)
4 bytes (int)
4 bytes (padding)
32
16 bytes (object overhead)
== 2N + 64 bytes
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