The Scanner “nextDouble()” method scans the next input token as a Double and throws InputMismatchException, NoSuchElementException, and IllegalStateException.
How to Handle Arithmetic Exceptions in Java
The Arithmetic Exceptions can be faced upon dividing a number by zero, or division of non-terminating big decimals and can be resolved via “try/catch” blocks.
How to Convert Integer to Hexadecimal in Java
To convert an integer to hexadecimal in Java, apply the “Integer.toString()” method, the “toHexString()” method, or use the custom logic.
How to Calculate MD 5 in Java
To compute the cryptographic hashing value in Java, the “MessageDigest” class is used that computes the digest value, and retrieves the results in a byte array.
How to Use the System.nanoTime() Function in Java
The System.nanoTime() Function in Java returns the present time of a running Java program in nanoseconds with greater precision.
How to Truncate a String in Java
A string is truncated by various methods like JDK methods that include substring(), split(), codePoints() functions, or libraries like Apache Commons and Guava.
How to Use typeof in Java
There is no “typeOf” operator in Java. However, use the “getClass()” method, “instanceof” operator, or the “isInstance()” method to retrieve the type of values.
What is the Difference Between print() and println() in Java
The “print()” method prints text and the cursor remains at the end of the text whereas the “println()” method moves the cursor to the next line on the console.