as size, last modified date, and permissions. 76. What is the purpose of the "FileNotFoundException" in Java?
The "FileNotFoundException" in Java is an exception that is thrown when an attempt to access a file that does not exist or cannot be found is made. It is typically caught and handled to handle file-related errors. 77. What is the purpose of the "NullPointerException" in Java? The "NullPointerException" in Java is an exception that is thrown when a null reference is accessed and used where an object reference is expected. It indicates a programming error and should be handled or prevented to avoid unexpected crashes. 78. What is the purpose of the "ArrayIndexOutOfBoundsException" in Java? The "ArrayIndexOutOfBoundsException" in Java is an exception that is thrown when an invalid index is used to access an array. It indicates that the index is either negative or exceeds the array's bounds. 79. What is the purpose of the "ArithmeticException" in Java? The "ArithmeticException" in Java is an exception that is thrown when an arithmetic operation produces an illegal or undefined result. It typically occurs when dividing by zero or performing unsupported mathematical operations. 80. What is the purpose of the "NumberFormatException" in Java? The "NumberFormatException" in Java is an exception that is thrown when a string cannot be parsed into a numeric value of the expected format. It occurs when attempting to convert a string to an integer, float, or double, but the string does not represent a valid number. 81. What is the purpose of the "StringBuilder" class in Java? The "StringBuilder" class in Java is used to create and manipulate mutable sequences