Try-Catch Block
Basic Structure:
The
try-catchblock is used to handle exceptions. The code that might throw an exception is placed inside thetryblock, and thecatchblock is used to handle the exception.try { // Code that might throw an exception } catch (ExceptionType e) { // Code to handle the exception }
With try-catch block
x
public class Example2 { public static void main(String[] args) { try { int num1 = 10; int num2 = 0; // This will cause an ArithmeticException int result = num1 / num2; System.out.println("Result: " + result); } catch (ArithmeticException e) { System.out.println("Cannot divide by zero."); } }}Cannot divide by zero.Without try-catch block
xxxxxxxxxxpublic class Example2 { public static void main(String[] args) { int num1 = 10; int num2 = 0; // This will cause an ArithmeticException int result = num1 / num2; System.out.println("Result: " + result); }}Exception in thread "main" java.lang.ArithmeticException: / by zero
at Example2.main(Example2.java:7)Control Flow In Try-Catch Block
try {
stmt-1;
stmt-2;
stmt-3;
} catch(Exception e) {
stmt-4;
}
stmt-5;- If there is no Exception stmt-1, stmt-2, stmt-3, stmt-5 executed normally i.e Normal Termination.
- If an Exception is raised at stmt-2 and corresponding catch block is matched then the flow of execution is stmt-1, stmt-4, stmt-5 executed normally i.e Normal Termination.
- If an Exception is raised at stmt-2 and corresponding catch block is not matched then the flow of execution is, only stmt-1 executed and the program terminates abnormally i.e Abnormal Termination.
- If an Exception is raised at stmt-4 (or) at stmt-5 then it is always an abnormal termination.
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