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Explain The different kinds of exceptions ?
Checked Exceptions : Environmental error in which cannot necessarily be detected through testing; e.g. broken socket, disk full, database unavailable, etc.
Errors : Virtual machine error: class not found, out of memory, no such method, illegal access to private field, etc.
Runtime Exceptions : Programming errors in which should be detected in testing: index out of bounds, null pointer, illegal argument, etc.
Checked exceptions must be handled at compile time. Runtime exceptions do not required to be. Errors frequent cannot be.
Describe final arguments? At last, you can declare in which method arguments are final. This means that the techniques will not directly change them. Because all arguments are
list The Java Class Library? Java holds an extensive library of pre-written classes you can use in your programs. These classes are separated into groups known as packages. Th
1. Arrays and working with arrays
program to find the frequency of a digit in a number
Synchronous messaging involves a client that waits for the server to respond to a message. So if one end is down the whole communication will fail.
how to retrieve multiple records randomly from a file and store it in another file
Relation between Stack and Heap Stack and heap are two significant memory areas. Primitives are created on the stack whereas objects are created on heap. This will be further c
Explain multi dimentional arrays in java? So far all these arrays have been one-dimensional. That is, a single number could locate any value in the array. Therefore sometimes d
Describe advantage of the event-delegation model over the earlier event-inheritance model ?
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