< H2 > description < H2 > physical environment 2GB memory < H2 > phenomenon description: < H2 > I have a program (no source code) that uses Netty at the bottom (don t be misled into a problem with NIO, but it may be related to DirectMemory), ther...
the following is the source code of the unlinkFirst method in LinkedList where f is the head of the linked list it says that f.next = null; is good for gc I don t quite understand, f is already ROOT unreachable must be gc Why does it help gc? to s...
Car car = new Car(22000,"silver"); WeakReference<Car> weakCar = new WeakReference<Car>(car); car = null; System.gc(); when the above code is gc, weakCar.get () returns null, indicating that the Car object has been recycled, but th...
The variable name is stored in the stack space, and the stack area is first in and then out, so how does it pop up when you actively unset a variable? ...
The code is as follows: package referenceCoutingGC; ** * * testGC()ogjAogjBGC * * public class referenceCoutingGC { public Object instance = null; private static final int _1MB = 1024*1024; private byte[] bigSize = ...
Let s not talk about the principle of the train algorithm here. the train algorithm is the gc algorithm used by the G1 collector D _ C are three objects that need to be called to each other. There are no other citations. But when the algorithm sc...
in most cases in JAVA, objects are allocated in Eden by default, and when GC is triggered, if there is not enough space in survivor, it will be put into the old age. suppose the following scenario: eden:80M survivor1:10M survivor2:10M now survivor2 is...
when I use fullpage, there is a certain phenomenon, that is, when the mouse moves in the current page, it will turn the page. Who has encountered this phenomenon, such as and solved. Not a compatibility problem, different computers with the same browser,...
items built using electron-vue scaffolding are packaged in electron-builder with the following errors: Error: spawn EPERM at _errnoException (util.js:1024:11) at ChildProcess.spawn (internal child_process.js:323:11) at exports.spawn (child_process.js:...
the phone has root how to write a test case, disconnect the computer and run on the phone alone ...
recently I tried to make a flow graph component by myself, but the connection drawn is too rough. Ask the old driver for advice on how to optimize it. <!-- --> <g> <g v-for="(line, i) in lines" :key="i"> ...
problem description display camera data with surfaceview. When the Dialog object calls the show method, the camera drawing displayed in surfaceview will be reversed by 180 degrees. Once the Dialog object is closed, it is reversed again by 180 degrees....