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Explain try and catch exception in java?
Why use exceptions instead of return values? 1. Forces error checking 2. Cleans up your code through separating the normal case from the exceptional case. (The code isn't littered along with a lot of if-else blocks checking return values.) 3. Low overhead for non-exceptional case
Traditional programming languages set flags or return bad values such as -1 to denotes problems. Programmers frequent don't check these values.
Java throws Exception objects to denotes a problem. These cannot be ignored.try-catchtry-catch public class HelloThere {
public static void main(String[] args) { try { System.out.println("Hello " + args[0]); } catch (ArrayIndexOutOfBoundsException e) { System.out.println("Hello Whoever you are."); }
}
Can a human doctor be replaced through an Expert System? Give reasons to support your answer. Expert System is a computer system that simulates the knowledge and expertise of a
String concatenation and comparison public class StringTest { public static void main(String[] args) { int i = 4; int j = 5; System.out.println ("Hello" + i); // wi
A framework is made up of the set of classes which permit us to use a library in a best possible way for a particular requirement.
In preemptive scheduling, the highest priority task executes until it enters the waiting or dead states or a higher priority task comes into existence. In time slicing, a task i
Diffentiate Local and Global Variables? Local or function level variable effective just in the function in that they are declared although global variables visible everywhere o
Decode the Code Smugglers are becoming very smart day by day. Now they have developed a new technique of sending their messages from one smuggler to another. In their new techn
How to design an ogive program in java?
flags
This is a two part project, one in Alice, and another in Java. You can either zip the files together as one and upload the single zip file, OR upload the separate files. If you dec
I earn .... Rs per month. if mobile costs 20% of my earning. I will buy in cash. if costs more than 20%. I will buy in 3 months installments without interest. if costs more than 40
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