Hibernate Tutorial
TUTORIALS POINT 1 public int read() throws IOException Reads a single character. Returns an int, which represents the character ...
TUTORIALS POINT Following syntax creates a FileWriter object associated with a file descriptor. FileWriter(FileDescriptor fd) Fo ...
TUTORIALS POINT is an example Directories in Java: A directory is a File which can contains a list of other files and directorie ...
TUTORIALS POINT { // prints filename and directory name System.out.println(path); } }catch(Exception e){ // if any error occurs ...
TUTORIALS POINT Java Exceptions A nexception is a problem that arises during the execution of a program. An exception can occur ...
TUTORIALS POINT Here is a list of most common checked and unchecked Java's Built-in Exceptions. Java’s Built-in Exceptions Java ...
TUTORIALS POINT UnsupportedOperationException An unsupported operation was encountered. Following is the list of Java Checked Ex ...
TUTORIALS POINT } A catch statement involves declaring the type of exception you are trying to catch. If an exception occurs in ...
TUTORIALS POINT try { file =newFileInputStream(fileName); x =(byte) file.read(); }catch(IOException i) { i.printStackTrace(); re ...
TUTORIALS POINT try { //Protected code }catch(ExceptionType1 e 1 ) { //Catch block }catch(ExceptionType2 e2) { //Catch block }ca ...
TUTORIALS POINT All exceptions must be a child of Throwable. If you want to write a checked exception that is automatically ...
TUTORIALS POINT { double needs = amount - balance; throw new InsufficientFundsException(needs); } } public double getBalance() { ...
TUTORIALS POINT JVM Exceptions: - These are exceptions/errors that are exclusively or logically thrown by the JVM. Examples : ...
TUTORIALS POINT Java Inheritance I nheritance can be defined as the process where one object acquires the properties of another. ...
TUTORIALS POINT Dog IS-A Mammal Hence : Dog IS-A Animal as well With use of the extends keyword the subclasses will be able ...
TUTORIALS POINT Mammal m =new Mammal(); Dog d =new Dog(); System.out.println(m instanceof Animal); System.out.println(d instance ...
TUTORIALS POINT Java Overriding I n the previous chapter, we talked about superclasses and subclasses. If a class inherits a met ...
TUTORIALS POINT Animals can move Dogs can walk and run In the above example, you can see that the even though b is a type of Ani ...
TUTORIALS POINT The access level cannot be more restrictive than the overridden method's access level. For example, if the sup ...
TUTORIALS POINT Java Polymorphism P olymorphism is the ability of an object to take on many forms. The most common use of polymo ...
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