1. Questions about Java's String pool stackoverflow.comConsider this code: abc String again right?
Will this be stored on the regular heap ... |
2. Deallocation of String type of an object as it resides in String Pool stackoverflow.comWe know that for any other objects GC will take care of deallocation. but what happens to a String objects which resides in String pool. who will decide it to deallocate ... |
3. Java - String Pool stackoverflow.comWhat is meant by String Pool ? What is difference between the following declarations : String s="hello"; String s=new String("hello"); Is there any difference between the Storing of this two strings by JVM ? |
4. The best alternative for String flyweight implementation in Java stackoverflow.comMy application is multithreaded with intensive String processing. We are experiencing excessive memory consumption and profiling has demonstrated that this is due to String data. I think that memory consumption would ... |
5. Are strings created with + concatenation stored in the string pool? stackoverflow.comFor instance |
6. Some queries regarding Java String Pool stackoverflow.comI have following queries regarding java string pool:
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7. Java String best practice regarding pool stackoverflow.comI have always wondered what the most effective way is of creating String's in Java. By this I mean strings that won't change in value. Example: |
8. what is String pool in java? stackoverflow.comhi all I am confused about string pool in java .I came across this word while starting string chapter in java.Please make me understand in layman concept what actually the string ... |
9. Java String pool object creation stackoverflow.comI have doubts that whether my concepts are clear in stringpool. Please study the following set of code and check if my answers are correct in number of objects created after ... |
10. Are the String lliterals stored in the string pool unique? stackoverflow.comI understand that Strings may be interned, but it it an action that is performed religiously when a new string object is created? Jls section 3.10.5 string literals. |
11. Regarding string object pool in PermGC stackoverflow.comI heard that string object pool exists in the PermGC and when a string intern is executed, it checks the pool first to see if an equivalent string object exists, if ... |
12. what is the scope of the string pool? coderanch.comOK, so if I have the below code: String foo = "stu"; String bar = "stu"; I can grasp that foo == bar evaluate to true. "stu" ends up in the string pool as a single object that both foo and bar reference. Question is, with what scope, if any, does that become false? E.g.: If foo was declared in as ... |
13. string pool coderanch.com |
14. String pool and garbage collection coderanch.comHello, I was looking for more information about String pools, but I couldn't find answers to these questions. Does the garbage collector clean out unreferenced Strings from the pool? The reason I'm asking is that BufferedReader.readLine() returns Strings. I'm reading lots of data- should I be concerned about filling up the String pool? If the String pool is not being GCed, ... |
15. asking about string creation with reference to pool coderanch.comhi there, i hope that u ppl r fine,so here i m with a question regarding string,given below: String st1="Hello world"; String st2=st1; String st3=new string ("Hello world"); my question is that i created a string named st n assigned it to st1.here st1 is created in pool st2 is assigned the same value as st1 has.so st1 is referenced to ... |
16. Pooling of Strings in Java coderanch.comThe soul is dyed the color of its thoughts. Think only on those things that are in line with your principles and can bear the light of day. The content of your character is your choice. Day by day, what you do is who you become. Your integrity is your destiny - it is the light that guides your way. - ... |
17. Garbage Collection and the String Pool coderanch.comThere is indeed a "String pool" that holds references to all literal (i.e., double-quoted) Strings that appear in a program. By default, Strings you create yourself with "new" are not put into this pool, or otherwise shared with the pool. If you call String.intern() on a dynamic string, and there's a string with the same contents in the pool, it will ... |
18. String Pooling Question coderanch.com |
19. a couple of doubts (string pool + downcast) coderanch.comHi Vijay, 1.Regarding String Pool : The below link will clarify your doubt. String Pool 2. byte b = (int) 12.2; Here first your typecasting 12.2 to 12 and then assigning it to byte b.So it will not give any compilation error. To know why you have to something about how numbers are stored internally 1 byte = 8 bits.So if ... |
20. String Pool coderanch.com |
21. Good explanation on string pool. coderanch.com |
22. String objects (String pool and heap) coderanch.comAgree with the first half. You have two String objects one ("new String") referred to by"s", the other "good day" not referred to by anything in the code you quoted. But should you write anywhereString ss = "good day";the JVM will retrieve the original "good day" and use it again. Why do you think the two Strings are connected to each ... |
23. String Pool.....? coderanch.com |
24. Memery release from Objects in String pool coderanch.comHi. If the object is created in heap, it will be cleaned bt garbage collector when there is no reachable reference for the object. We know String constants are created in String pool if there is no String object present in String pool. My doubt is when the objects in the String pool is cleaned or released from memory? If the ... |
25. How to access the String litral pool? coderanch.comhi Vijitha Kumara thank you very much. I knew about the intern() method. I was just wondering if there is anyway to access the pool. I read somewhere that Console.readPassword() method returns a char array of security reasons to prevent a hacker to read the password from the string pool. This made me think does java allows access to the pool? ... |
26. strings and string pool coderanch.com |
27. It's about the String pool: I would like to know which String goes into the pool coderanch.comI have already searched this forum; with "string pool not literal", "string pool", etc. But I failed to grab appropriate answers. My question is this: Do Strings that are gained from file or socket reading go into the pool? Let's see following code: (code from , Appendix B) String s="0"; for(int x=1;x<10;x++) { s=s+x; } I know that 10 ... |
28. Yet another string pool doubt coderanch.comI asked a really smart friend about this a couple years ago, and he went to track this down in the JDK source. Not the Java source, but the C source, since intern() is a native method. Maybe he will post in detail about what he found. But the short answer is that yes, the JDK is making a copy, and ... |
29. String Pool coderanch.com |
30. Java String pool problem coderanch.comThe compiler doesn't know that the value of s is "abcd", so the new Strings are just that - newly created Strings. They aren't stored in the String pool. If you would make s final then the compiler would see that the value of s will always be "abcd", and therefore can use the String literal "abcde" for both s1 and ... |
31. String Pool coderanch.comWhen you use the == operator on objects, you are comparing the REFERENCE - i.e. are the two variables pointing to the same spot in memory (more or less). Any time you use the "new" operator, you create a new object. When you do new String("abc"); you get one string in the String Pool, and ANOTHER string is created on the ... |
32. Gargage collector and String pool coderanch.com |
33. How many objects will be created in the string pool? coderanch.comThere are 2 ways to create String Objects in Java (1) Using the new operator i.e.String s1=new String("abc"); (2) Using the String Literal i.e.String s2="abc"; . . Now String allocation is costly in both time and memory so the JVM(Java Virtual Machine) performs some tasks? WHAT TASKS? See whenever you are using the "new" operator the object is created, JVM will ... |
34. Can we delete a String Object from JVM String Pool? coderanch.comAre you sure they are the reason for the memory error? String literals don't take up much memory, unless they are either very very long or very very numerous. Are you even sure they are String literals, and not non-interned Strings? These should be garbage collected as usual. Part of your problem may be that you are still holding a reference ... |
35. What checks the String pool forums.oracle.comHi there. With regard to the string pool, my book states that whenever the compiler encounters a string literal that it will check the pool to see if there is a matching string... This doesn't seem right to me. I would have imagined that the JVM would perform this operation at runtime. Maybe I'm wrong, but I googled it and I ... |
36. another string pool clarification forums.oracle.com |
37. String pools and garbage collection forums.oracle.com |
38. String pool forums.oracle.com |
39. String pool forums.oracle.com |