Long literal
A Long literal is a numeric literal whose syntax specifies that its value has the Kotlin Long integer type.
100 Java Mistakes and How to Avoid Them
- How it is used
- Prevents `int` arithmetic, shifts, and hexadecimal masks from producing incorrect values when long-width results are intended.
- How deep it goes
- Explains expression typing, shift behavior, signed widening, overflow consequences, tests, API alternatives, and selected static-analysis checks.
- Examples
- Uses microsecond conversion, a long bit-setting method, and a hexadecimal mask that accidentally widens from `int` to `long`.
- What you can do after
- Diagnose/debug with it by identifying `int` operands in long computations and correcting literals, casts, tests, or API usage.
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Learn C++ by Example
A literal suffix is a token appended to a literal to determine or customize the type or interpretation of its value.
- How it is used
- Makes chrono durations and calendar dates readable in countdown and date-handling code.
- How deep it goes
- Explains suffix syntax, supported units, namespaces, and operator implementation without developing custom literal definitions.
- Examples
- Uses duration forms such as 23h and date forms such as 2022y / December / 31.
- What you can do after
- Apply it via chrono literal suffixes to write strongly typed durations and readable calendar dates.
Related concepts
- numerical overflowaddresses · Numerical overflow is the condition in which an arithmetic result falls outside the range representable by its numeric type or format.
- bit shiftingconfigures · Bit shifting is a bitwise operation that moves the positions of an integer’s binary digits left or right by a specified count.
- dateconfigures · A date is a calendar value identifying a particular day.
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