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What are the different ways to print an exception message in java?
An exception is an issue (run time error) occurred during the execution of a program. When an exception occurred the program gets terminated abruptly and, the code past the line that generated the exception never gets executed.
Printing the Exception message
You can print the exception message in Java using one of the following methods which are inherited from Throwable class.
printStackTrace() − This method prints the backtrace to the standard error stream.
getMessage() − This method returns the detail message string of the current throwable object.
toString() − This message prints the short description of the current throwable object.
Example
import java.util.Scanner;
public class PrintingExceptionMessage {
public static void main(String args[]) {
Scanner sc = new Scanner(System.in);
System.out.println("Enter first number: ");
int a = sc.nextInt();
System.out.println("Enter second number: ");
int b = sc.nextInt();
try {
int c = a/b;
System.out.println("The result is: "+c);
}
catch(ArithmeticException e) {
System.out.println("Output of printStackTrace() method: ");
e.printStackTrace();
System.out.println(" ");
System.out.println("Output of getMessage() method: ");
System.out.println(e.getMessage());
System.out.println(" ");
System.out.println("Output of toString() method: ");
System.out.println(e.toString());
}
}
}Output
Enter first number: 10 Enter second number: 0 Output of printStackTrace() method: java.lang.ArithmeticException: / by zero Output of getMessage() method: / by zero Output of toString() method: java.lang.ArithmeticException: / by zero at PrintingExceptionMessage.main(PrintingExceptionMessage.java:11)
Updated on: 29-Jun-2020
8K+ Views
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