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java Programming Glossary: immutableUsing “final” modifier whenever applicable in java [closed] http://stackoverflow.com/questions/137868/using-final-modifier-whenever-applicable-in-java some bells when they now want to change your previously immutable thing. At first it kind of looks awkward to see a lot of final..
Difference between DTO, VO, POJO, JavaBeans? http://stackoverflow.com/questions/1612334/difference-between-dto-vo-pojo-javabeans general heuristic is that value objects should be entirely immutable. If you want to change a value object you should replace the..
Byte order mark screws up file reading in Java http://stackoverflow.com/questions/1835430/byte-order-mark-screws-up-file-reading-in-java a code BOM code value. public final BOM getBOM BOM type is immutable. return bom Skips the code BOM code that was found in the wrapped..
Questions about Java's String pool http://stackoverflow.com/questions/1881922/questions-about-javas-string-pool copy of the content of the pooled object. Since String is immutable in Java you're not gaining anything by doing this calling new..
Overriding equals and hashCode in Java http://stackoverflow.com/questions/27581/overriding-equals-and-hashcode-in-java
String, StringBuffer, and StringBuilder http://stackoverflow.com/questions/2971315/string-stringbuffer-and-stringbuilder improve this question Mutability Difference String is immutable if you try to alter their values another object gets created.. to change use a String class because a String object is immutable. If your string can change example lots of logic and operations..
Why is January month 0 in Java Calendar? http://stackoverflow.com/questions/344380/why-is-january-month-0-in-java-calendar constructors 0 as the month base in both Mutability using immutable types makes it much simpler to work with what are really effectively..
What is the purpose of the expression “new String(…)” in Java? http://stackoverflow.com/questions/390703/what-is-the-purpose-of-the-expression-new-string-in-java use of this constructor is unnecessary since Strings are immutable. The salient piece being copy of the argument string it does..
How should I load Jars dynamically at runtime? http://stackoverflow.com/questions/60764/how-should-i-load-jars-dynamically-at-runtime reason it's hard is security. Classloaders are meant to be immutable you shouldn't be able to willy nilly add classes to it at runtime...
Centering a JLabel on a JPanel http://stackoverflow.com/questions/7180198/centering-a-jlabel-on-a-jpanel myself but since the NetBeans GUI Builder autogenerates immutable code it's been impossible for me to figure out how to do this..
Why is char[] preferred over String for passwords? http://stackoverflow.com/questions/8881291/why-is-char-preferred-over-string-for-passwords passwords char share improve this question Strings are immutable. That means once you've created the string if another process..
Why can't strings be mutable in Java and .NET? http://stackoverflow.com/questions/93091/why-cant-strings-be-mutable-in-java-and-net Java and .NET Why is it that they decided to make string immutable in Java and .NET and some other languages Why didn't they make.. and are more secure. ... Immutable objects are simple. An immutable object can be in exactly one state the state in which it was.. thread can ever observe any effect of another thread on an immutable object. Therefore immutable objects can be shared freely .....
Create a mutable java.lang.String http://stackoverflow.com/questions/11146255/create-a-mutable-java-lang-string It's common knowledge that Java String s are immutable. Immutable Strings are great addition to java since its inception. Immutability..
Why would one declare an immutable class final in Java? http://stackoverflow.com/questions/12306651/why-would-one-declare-an-immutable-class-final-in-java mutable. For example consider this code public class Immutable private final int value public Immutable int value this.value.. code public class Immutable private final int value public Immutable int value this.value value public int getValue return value.. suppose I do the following public class Mutable extends Immutable private int realValue public Mutable int value super value realValue..
http://stackoverflow.com/questions/3162665/immutable-class class How to make a java class immutable and what is the need.. The following class will create an immutable object class ImmutableInt private final int value public ImmutableInt int i value i.. object class ImmutableInt private final int value public ImmutableInt int i value i public int getValue return value As can be..
Why shouldn't I use immutable POJOs instead of JavaBeans? http://stackoverflow.com/questions/3511120/why-shouldnt-i-use-immutable-pojos-instead-of-javabeans objects instead of mutate the state all the time. Immutable objects are also recommended in Item 15 Minimize mutability.. it is somehow more object oriented to use JavaBeans Prefer Immutable POJOs When you have a small number of simple properties you..
http://stackoverflow.com/questions/3700971/immutable-array-in-java array in Java Is there an immutable alternative to the primitive..
Why do we need immutable class? http://stackoverflow.com/questions/3769607/why-do-we-need-immutable-class we need an immutable class. Need is a relative term here. Immutable classes are a design pattern that like any paradigm pattern.. along but count me among the programmers that need OO. Immutable classes like OO aren't strictly needed but I going to act like..
Are non-synchronised static methods thread safe if they don't modify static class variables? http://stackoverflow.com/questions/5173399/are-non-synchronised-static-methods-thread-safe-if-they-dont-modify-static-clas local to the thread so no sharing of data occurs ever. Immutable objects String in this case are also thread safe because once..
http://stackoverflow.com/questions/5560176/is-integer-immutable Integer Immutable I know this is probably very stupid but a lot of places claim.. is mutable Secondary question and a little offtopic Immutable classes do not need copy constructors . Anyone care to explain.. java immutability mutable share improve this question Immutable does not mean that a can never equal another value. For example..
String is immutable. What exactly is the meaning? http://stackoverflow.com/questions/8798403/string-is-immutable-what-exactly-is-the-meaning What exactly is the meaning I wrote the following code on Immutable Strings. public class ImmutableStrings public static void main.. the following code on Immutable Strings. public class ImmutableStrings public static void main String args testmethod private..
Why can't strings be mutable in Java and .NET? http://stackoverflow.com/questions/93091/why-cant-strings-be-mutable-in-java-and-net 4 page 73 2nd edition There are many good reasons for this Immutable classes are easier to design implement and use than mutable.. They are less prone to error and are more secure. ... Immutable objects are simple. An immutable object can be in exactly one.. remain true for all time with no effort on your part. ... Immutable objects are inherently thread safe they require no synchronization...
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