</>SnippetSearch. A little code. A lot of possibility.
FIND YOUR NEXT FEW LINES

The snippet library.

Small, practical examples. Search by task or narrow things down below.

125 snippets foundClear filters
JavaText validation & formatting

Count Unicode code points

Java: Use codePointCount when supplementary characters should count as one rather than two UTF-16 units.

Java✓ Tested
JavaCollections

Count word frequencies

Use Map.merge to count repeated words in Java.

Java✓ Tested
JavaFile operations & binary data

Create and clean up a temporary file

Java: Create a unique file and remove it in finally even when the operation fails.

Java✓ Tested
JavaFiles & paths

Create nested directories

Create missing parent directories with Java Files.createDirectories.

Java✓ Tested
JavaEncoding & structured values

Decode a form query parameter

Java: URLDecoder reverses form encoding and treats plus as a space.

Java✓ Tested
JavaRecords & reliable control flow

Define an immutable data record

Java: A local record gives a small Java data carrier named accessors and value semantics.

Java✓ Tested
JavaFile operations & binary data

Delete a known temporary file if present

Java: deleteIfExists returns whether a file was removed and still reports other I/O errors.

Java✓ Tested
JavaPrecise numeric calculations

Detect integer addition overflow

Java: Math.addExact throws rather than silently wrapping on overflow.

Java✓ Tested
JavaPrecise numeric calculations

Display an integer as unsigned

Java: Use unsigned conversion methods when interpreting a fixed-width bit pattern.

Java✓ Tested
JavaPrecise numeric calculations

Divide decimal values with controlled precision

Java: Choose both scale and rounding for a quotient that does not terminate in base ten.

Java✓ Tested
JavaPrecise numeric calculations

Divide negative integers with floor rounding

Java: floorDiv and floorMod provide consistent floor-based quotient and remainder.

Java✓ Tested
JavaGetting Started

Divide using a fractional number

Java: Use a floating-point operand to preserve the fractional part of a division.

Java✓ Tested