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java Programming Glossary: referWhy aren't Java Collections remove methods generic? http://stackoverflow.com/questions/104799/why-arent-java-collections-remove-methods-generic share improve this question Josh Bloch and Bill Pugh refer to this issue in Java Puzzlers IV The Phantom Reference Menace..
bitmap size exceeds Vm budget error android http://stackoverflow.com/questions/10737582/bitmap-size-exceeds-vm-budget-error-android your problem use the WeakReference for bitmaps. Please refer this link How to use WeakReference in Java and Android development..
When comparing two Integers in Java does auto-unboxing occur? http://stackoverflow.com/questions/1514910/when-comparing-two-integers-in-java-does-auto-unboxing-occur this question No between Integer Long etc will check for reference equality i.e. Integer x ... Integer y ... System.out.println.. ... System.out.println x y this will check whether x and y refer to the same object rather than equal objects. So Integer x new.. due to the rules of boxing JLS section 5.1.7 . It's still reference equality being used but the references genuinely are equal...
Difference between DTO, VO, POJO, JavaBeans? http://stackoverflow.com/questions/1612334/difference-between-dto-vo-pojo-javabeans hence value objects . For a more formal definition I often refer to Martin Fowler's description of Value Object In Patterns of.. property is that they follow value semantics rather than reference semantics. You can usually tell them because their notion..
whats the difference between “.equals and ==” http://stackoverflow.com/questions/1643067/whats-the-difference-between-equals-and improve this question In Java always just compares two references for non primitives that is i.e. it tests whether the two.. primitives that is i.e. it tests whether the two operands refer to the same object. However the equals method can be overridden..
What is a raw type and why shouldn't we use it? http://stackoverflow.com/questions/2770321/what-is-a-raw-type-and-why-shouldnt-we-use-it parameterized type JLS 4.5 . It is common to colloquially refer to this type as simply MyType for short but technically the..
Difference between string object and string literal [duplicate] http://stackoverflow.com/questions/3297867/difference-between-string-object-and-string-literal a new string object. In this example both string literals refer the same object String a abc String b abc System.out.println.. two different objects are created and they have different references String c new String abc String d new String abc System.out.println..
Change private static final field using Java reflection http://stackoverflow.com/questions/3301635/change-private-static-final-field-using-java-reflection boolean values true and false in main are autoboxed to reference type Boolean constants Boolean.TRUE and Boolean.FALSE Reflection.. is used to change the public static final Boolean.FALSE to refer to the Boolean referred to by Boolean.TRUE As a result subsequently.. public static final Boolean.FALSE to refer to the Boolean referred to by Boolean.TRUE As a result subsequently whenever a false..
Switch Statement with Strings in Java http://stackoverflow.com/questions/338206/switch-statement-with-strings-in-java in the JVM For more technical depth on switch you can refer to the JVM Specification where the compilation of switch statements..
What is the meaning of “this” in Java? http://stackoverflow.com/questions/3728062/what-is-the-meaning-of-this-in-java without dot . . java share improve this question this refers to the current object. Each non static method runs in the context.. name public void frobnicate int a 1 System.out.println a refers to the local variable a System.out.println this.a refers to.. a refers to the local variable a System.out.println this.a refers to the field a System.out.println this refers to this entire..
Does python have an equivalent to Java Class.forName()? http://stackoverflow.com/questions/452969/does-python-have-an-equivalent-to-java-class-forname the module m __import__ module In this case m will only refer to the top level module For example if your class lives in foo.baz.. then m will be the module foo We can easily obtain a reference to foo.baz using getattr m 'baz' To get from the top level.. 1 m getattr m comp At the end of the loop m will be a reference to the class. This means that m is actually the class itslef..
Virtual Memory Usage from Java under Linux, too much memory used http://stackoverflow.com/questions/561245/virtual-memory-usage-from-java-under-linux-too-much-memory-used into the process space from here on out I'm only going to refer to Linux becuase it's what I use I'm sure there are equivalent..
Is there a way to refer to the current type with a type variable? http://stackoverflow.com/questions/7354740/is-there-a-way-to-refer-to-the-current-type-with-a-type-variable there a way to refer to the current type with a type variable Suppose I'm trying.. an instance of the current type. Is there a way to make T refer to the exact subtype so T should refer to B in class B class.. a way to make T refer to the exact subtype so T should refer to B in class B class A T extends A foo class B extends A @Override..
http://stackoverflow.com/questions/7520432/java-vs-equals-confusion I wanted to clarify if I understand this correctly is a reference comparison i.e. both objects point to the same memory location.. is the same as that is it returns true if both variables refer to the same object if their references are one and the same... true if both variables refer to the same object if their references are one and the same. Always remember to override hashCode..
Nice looking progress bar in java http://stackoverflow.com/questions/8884297/nice-looking-progress-bar-in-java been looking at JProgressBar tutorials but none of them refer to styling the bar. Reading the API I found a getUI method that..
JTable duplicate values in row http://stackoverflow.com/questions/9132987/jtable-duplicate-values-in-row may prove helpful. As the sample Map is unmodifiable I refer you to @mKorbel's example on how to override isCellEditable..
Difference Between Equals and == http://stackoverflow.com/questions/971954/difference-between-equals-and improve this question Assuming the types of a and b are reference types In Java will always compare for identity i.e. whether.. compare for identity i.e. whether the two values are references to the same object. This is also called reference equality.. are references to the same object. This is also called reference equality . Java doesn't have any user defined operator overloading...
Reverse the arraylist in simplest way? http://stackoverflow.com/questions/10766492/reverse-the-arraylist-in-simplest-way java android share improve this question Try this Refer this LINK ArrayList aList new ArrayList Add elements to ArrayList..
http://stackoverflow.com/questions/11820799/com-microsoft-sqlserver-jdbc-sqlserverexception-the-tcp-ip-connection-to-the-ho windows firewall by using a link that did not work too. Refer to section To open a port in the Windows firewall for TCP access..
Difference between Static methods and Instance methods http://stackoverflow.com/questions/11993077/difference-between-static-methods-and-instance-methods obj new MyObject Create an instance obj.nonstaticMethod Refer to the instance's class's code On a deeper level when the compiler..
When should we use intern method of String on String constants http://stackoverflow.com/questions/1855170/when-should-we-use-intern-method-of-string-on-string-constants s1 and s2 are same s1 and s3 are same s1 and s5 are same Refer to JavaTechniques String Equality and Interning for more information...
How to stop a running mysql query http://stackoverflow.com/questions/2065396/how-to-stop-a-running-mysql-query this question SHOW PROCESSLIST KILL thread_to_be_killed Refer to the documentation for additional details Show The Process..
Lightest Database to be packed with an application http://stackoverflow.com/questions/2431546/lightest-database-to-be-packed-with-an-application be used with Hibernate i.e. there are dialect for them . Refer to this page and this one . HSQLDB has the smallest footprint..
JSF Lifecycle and Custom components http://stackoverflow.com/questions/33476/jsf-lifecycle-and-custom-components . This is a somewhat simplified version of events. Refer to the specification for more details. I would question why..
Java - declaring from Interface type instead of Class http://stackoverflow.com/questions/3383726/java-declaring-from-interface-type-instead-of-class by its class . See also Effective Java 2nd Edition Item 52 Refer to objects by their interfaces If appropriate interface types..
Accessing the last entry in a Map http://stackoverflow.com/questions/3527216/accessing-the-last-entry-in-a-map see Effective Java by Joshua Bloch Chapter 8 Item 52 Refer to objects by their interfaces . So your declaration should..
Displaying Currency in Indian Numbering Format http://stackoverflow.com/questions/5379231/displaying-currency-in-indian-numbering-format 1 000 10 000 1 00 000 10 00 000 1 00 00 000 10 00 00 000 Refer Indian Numbering System The separators are after two digits..
get the click event from webpage in my android application http://stackoverflow.com/questions/5907439/get-the-click-event-from-webpage-in-my-android-application hr.getExtra t t Type hr.getType return false Edited Refer for perfect answer Detect click on HTML button through javascript..
How to create my above listview to look more professional? http://stackoverflow.com/questions/5931483/how-to-create-my-above-listview-to-look-more-professional java android xml listview share improve this question Refer to following url for how to implement custom listview Update..
How to use URLClassLoader to load a *.class file? http://stackoverflow.com/questions/738393/how-to-use-urlclassloader-to-load-a-class-file downloaded and opened as needed. So you have two options Refer to the directory that the .class file is in Put the .class file..
How do I implement task prioritization using an ExecutorService in Java 5? http://stackoverflow.com/questions/807223/how-do-i-implement-task-prioritization-using-an-executorservice-in-java-5 extend ThreadPoolExecutor and override the submit methods. Refer to AbstractExecutorService to see what the default ones look..
How to send data to COM PORT using JAVA? [duplicate] http://stackoverflow.com/questions/900950/how-to-send-data-to-com-port-using-java the Sun or IBM serial IO implementation nor RxTx. Refer to my answer on some of the aforementioned questions for details..
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