and thread-safe, making it suitable for multi-threaded environments.
70. What is the purpose of the "Math.random()" method in Java?
The "Math.random()" method in Java returns a random double value between 0.0
(inclusive) and 1.0 (exclusive). It is often used to generate random numbers or simulate
random behavior.
71. What is the purpose of the "Character" class in Java?
The "Character" class in Java provides methods for working with individual characters,
such as checking for character types (letters, digits, whitespace), converting case, and
performing character-based operations.
72. What is the purpose of the "Integer" class in Java?
The "Integer" class in Java is a wrapper class that provides methods for working with
integer values, such as converting strings to integers, performing arithmetic
operations, and converting integers to different representations (binary, hexadecimal).
73. What is the purpose of the "Double" class in Java?
The "Double" class in Java is a wrapper class that provides methods for working with
double-precision floating-point values. It offers functionality for parsing strings,
performing arithmetic operations, and converting doubles to different representations
(binary, hexadecimal).
74. What is the purpose of the "System" class in Java?
The "System" class in Java provides access to system resources and allows interaction
with the system environment. It contains methods for standard input/output, error
output, current time, copying arrays, and more.
75. What is the purpose of the "File" class in Java?
The "File" class in Java is used to represent and manipulate file and directory paths. It
provides methods for creating, deleting, renaming, and querying file properties such
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