Sample

int-ffbdb6326bfb-I12

Inline all eligible single-use intermediate local variables

Matched original source

Lines82

Scores

MethodScoreScale
Posnett0.0460–1; higher is more readable
Scalabrino0.8530–1; higher is more readable
Dorn0.7660–1; higher is more readable
Mi0.3820–1; higher is more readable
LLOC15Logical lines; fewer is more readable
DeepSeek V4 Pro180–20; mean of three runs
GPT-6.1 Sol190–20; mean of three runs
BTTF0.6870–1; higher is more readable

Views

Source code

package com.google.common.io; import com.google.common.annotations.GwtIncompatible; import com.google.common.annotations.J2ktIncompatible; import com.google.errorprone.annotations.CanIgnoreReturnValue; import java.io.DataInput; import java.io.IOException; import org.jspecify.annotations.Nullable; /** * An extension of {@code DataInput} for reading from in-memory byte arrays; its methods offer * identical functionality but do not throw {@link IOException}. * * <p><b>Warning:</b> The caller is responsible for not attempting to read past the end of the * array. If any method encounters the end of the array prematurely, it throws {@link * IllegalStateException} to signify <i>programmer error</i>. This behavior is a technical violation * of the supertype's contract, which specifies a checked exception. * * @author Kevin Bourrillion * @since 1.0 */ @J2ktIncompatible @GwtIncompatible public interface ByteArrayDataInput extends DataInput { @Override void readFully(byte[] b); @Override void readFully(byte[] b, int off, int len); // not guaranteed to skip n bytes so result should NOT be ignored // use ByteStreams.skipFully or one of the read methods instead @Override int skipBytes(int n); @CanIgnoreReturnValue // to skip a byte @Override boolean readBoolean(); @CanIgnoreReturnValue // to skip a byte @Override byte readByte(); @CanIgnoreReturnValue // to skip a byte @Override int readUnsignedByte(); @CanIgnoreReturnValue // to skip some bytes @Override short readShort(); @CanIgnoreReturnValue // to skip some bytes @Override int readUnsignedShort(); @CanIgnoreReturnValue // to skip some bytes @Override char readChar(); @CanIgnoreReturnValue // to skip some bytes @Override int readInt(); @CanIgnoreReturnValue // to skip some bytes @Override long readLong(); @CanIgnoreReturnValue // to skip some bytes @Override float readFloat(); @CanIgnoreReturnValue // to skip some bytes @Override double readDouble(); @CanIgnoreReturnValue // to skip a line @Override @Nullable String readLine(); @CanIgnoreReturnValue // to skip a field @Override String readUTF(); }

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Source regions

Feature contributions

Feature contributions

FeatureValueContribution
(log-odds)
Halstead volumeHow much symbolic information the code contains. It combines the total number of operators and values with the number of distinct ones.1135.35−37.467
Source linesThe number of non-empty source lines.82+32.8
Byte entropyHow varied the bytes in the source text are. Repeated bytes give a lower value; a more even mixture gives a higher value.4.828−7.241

Intercept 8.87 + feature contributions = -3.038 (log-odds).
Score = sigmoid(-3.038) = 0.046.

Score0.853

Feature contributions

FeatureValueContribution
(log-odds)
Comment layout frequencyHow frequently the layout switches between lines containing only comments or whitespace and lines containing code.83−1.902
Indentation frequencyHow rapidly indentation changes from line to line.57+1.234
Comment layout (horizontal)How rapidly the visual pattern of comment characters changes from left to right.98.699+0.788
Identifier layout (vertical)How rapidly the visual pattern of identifier characters changes from top to bottom.81.832+0.734
Identifier layout (horizontal)How rapidly the visual pattern of identifier characters changes from left to right. It measures spatial frequency, not the meaning of the names.99.88−0.565
Operator visual areaThe share of the code’s visual area occupied by operators such as +, =, and *.0.053+0.431
Number layout frequencyHow rapidly the number of numeric values per line changes through the code.1+0.398

Intercept 0.07 + feature contributions = 1.188 (log-odds).
Score = sigmoid(1.188) = 0.766.

Score0.382
Score15
Run 1

The code is highly readable due to its logical structure and clear intent. The interface declaration is straightforward, with a concise yet informative Javadoc explaining the behavior and contract deviations. Method declarations are flat, with no nesting, and each method is presented on a single line, making the structure easy to scan. The use of @Override and @CanIgnoreReturnValue annotations is consistent, and the brief comments for each method clarify the intended use when return values are ignored. Imports are organized and limited. The code avoids unnecessary length, with only essential methods and documentation. Reading flow is natural, grouping related read methods logically. Overall, this is an exemplary implementation of a well-documented, minimal interface.

Run 2

The code is highly readable due to its clear structure and well-documented intent. The interface declaration is logical, and the methods are organized in a natural order that mirrors the DataInput supertype. Nesting is flat and minimal, consisting only of the top-level interface. Each override is concise, with one action per line, and the use of annotations like @CanIgnoreReturnValue with comments clearly explains why return values might be ignored. The class-level Javadoc provides excellent context about the contract and exception behavior, which enhances clarity. The only minor drawback is the repetition of similar comments, but this repetition actually aids quick scanning of the method list. Overall, the code is exemplary in terms of readability.

Run 3

The code is highly readable. It has clear logical organization with imports, Javadoc, annotations, and method declarations in a natural order. Nesting is flat—there are no nested blocks. Clarity of intent is strong: the interface extends DataInput and the Javadoc explicitly explains the contract deviation and caller responsibility. Code length is concise, with no unnecessary implementation details since this is an interface. Action granularity is appropriate: each method declaration is on its own line with a useful @CanIgnoreReturnValue annotation and a brief comment where relevant. Reading flow is natural, following the DataInput method order and grouping similar methods together. The only minor deductions are due to repeated comments that slightly increase verbosity, but they add meaningful context for skip semantics.

Run 1

Code Structure: A well-organized interface with consistently formatted method declarations and related operations grouped logically. Nesting: No nested control flow, making the code easy to scan. Clarity of intent: The interface name, familiar DataInput methods, and class documentation clearly explain its purpose and exception behavior; abbreviated parameter names are a minor limitation. Code length: Concise for the API exposed, though repeated annotations and skip comments add some visual repetition. Action granularity: Each method declaration occupies its own line, with annotations clearly associated with that method. Reading flow: Documentation leads naturally into the interface and its methods, with whitespace separating declarations and helpful comments highlighting return-value considerations.

Run 2

Code Structure: A well-organized interface with logically ordered method declarations and consistent annotations. Nesting: Flat declarations with no nested control flow. Clarity of intent: The documentation clearly explains the interface’s purpose, exception behavior, and caller responsibilities; standard method names reinforce intent, though abbreviated parameters are less descriptive. Code length: Concise for the API represented, with modest repetition in annotations and comments. Action granularity: Each method declaration occupies its own line, with annotations clearly separated. Reading flow: Consistent spacing and ordering make scanning natural; the lack of separation between the package declaration and imports is a minor formatting weakness.

Run 3

Code Structure: The interface is logically organized, with imports, contract documentation, and consistently formatted method declarations. Nesting: There is no nested control flow; all declarations remain at one level. Clarity of intent: The Javadoc clearly explains the interface's purpose and exception behavior, while annotations and comments clarify return-value handling. Standard DataInput method names are descriptive, though parameter names such as b, off, and len are abbreviated. Code length: Concise for an interface redeclaring inherited methods; repeated annotations and comments add some visual bulk but serve a purpose. Action granularity: Each method declaration occupies its own line, with no bundled operations. Reading flow: Consistent spacing and a natural progression through read operations make scanning easy. Minor formatting limitations include the lack of blank lines separating the package and import groups.