hai,singleton is a design pattern and is implemented to have restricted no of instances for a specific class. This is done by making the constructor of the class as private. So we can instantiate an object for the class only thru any of the method of that class but not from outside the class.
hai,sun will release many versions of java and in each version they are including many new APIs in the same way they are removing some methods which were there in the prev versions.eg: Thread class --stop().
Lavanya.G
Oct 28th, 2005
Hi,Answer:The method which can't be used for futur perpus.
Try&catch blocks are to get the error description.wothout try block there is no catch.finally contains compalsary statements,to disconnect the database statement.wothout try there is no finally.By RAJESH
Pattukkottai Arun
Jul 21st, 2005
The simple Try statement comes before the block of code, the Catch block of code is where we specify what type of error to look for, and the Finally block of code is always executed and contains clean...
JVM: Java Virtual Machine-It is beck-end software of java which support java program execution. Just like an Operating System (but JVM is not OS) it provides process/memory management while executing ...
Anitha
Oct 27th, 2005
JVM, java virtual machine does not exist physically it is a imaginary software with a set of operations to perform. JVM is the heart of java programming language. it takes care of converting byte code...
By using notify() or notifyAll() method we can release the lock.But notify() method sometimes notify unwanted thread.So in some situation notify() method is avoidable.
Wraper class are the special class for the corresponding data types(Integer,Short,Char..).mainly used for the to change objects from object type to basic type and basic type to object type.
Rajesh Sakhamuri
Nov 2nd, 2005
Wraper class are the special class and these are special class for the corresponding data types(Integer,Short,Char....).mainly used for the to change objects from one data type to another data type.these are mainly used for the object type to basic type and basic type to object type.
The addpter pattern converts the interface of a class into another interface the client expect. Adapter lets classes work together that could't otherwise because of incompatible interface
Hi,Answer:Interface :Interface is having Abstract methods only(i.e no implemention for that method).Any one(Class) can provide implementation for that methods.Inter...
We can convert ArrayList into equalent synchronized List by passing ArrayList object to Collections.synchronizedList(List li); it returns synchronized List type of object.so we can say that ArrayList can be synchronized
anil kumar
Oct 27th, 2005
We can convert ArrayList into equalent synchronized List by passing ArrayList object to Collections.synchronizedList(List li); it returns synchronized List type of object.so we can be synchronized.
An inner class is a type of nested class that is not explicitly or implicitly declared static. Types of Inner Classes: Local inner class. Anonymous inner class. Non-static member class. Member Inner class.
Shaiki mohamed
Aug 3rd, 2005
Static class encloses with in the another static class is called nested class . If the non-class encloses with the non-static class is called the inner class. b shaik mohamed
One of the "clean" features of the Java programming language is that it mandates a separation between interfaces (pure behavior) and classes (state and behavior). Interfaces are used in Java to specif...
Total 5 are there:1.Flow layout.2.Boarder Layout 3.CardLayout 4.GridLayout. 5.FlexGridBagLayout.1.Flow:its defalut layout,it can arranged left to right.2.Boarder:its arranged North,West,South,East ord...
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