for (int r = 0; r < data.length; r++) { String rowKey = rowKeyPrefix + (r + 1); for (int c = 0; c < data[r].length; c++) { String columnKey = columnKeyPrefix + (c + 1); result.addValue(new Double(data[r][c]), rowKey, columnKey); } }
for (int r = 0; r < data.length; r++) { String rowKey = rowKeyPrefix + (r + 1); for (int c = 0; c < data[r].length; c++) { String columnKey = columnKeyPrefix + (c + 1); result.addValue(data[r][c], rowKey, columnKey); } }
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/data/general/DatasetUtilities.java File path: /jfreechart-1.0.10/src/org/jfree/data/general/DatasetUtilities.java
Method name: CategoryDataset createCategoryDataset(String, String, double[][]) Method name: CategoryDataset createCategoryDataset(String, String, Number[][])
Number of AST nodes: 5 Number of AST nodes: 5
1
for (int r = 0; r < data.length; r++) {
1
for (int r = 0; r < data.length; r++) {
2
            String rowKey = rowKeyPrefix + (r + 1);
2
            String rowKey = rowKeyPrefix + (r + 1);
3
            for (int c = 0; c < data[r].length; c++) {
3
            for (int c = 0; c < data[r].length; c++) {
4
                String columnKey = columnKeyPrefix + (c + 1);
4
                String columnKey = columnKeyPrefix + (c + 1);
5
                result.addValue(new Double(data[r][c]), rowKey, columnKey);
5
                result.addValue(data[r][c], rowKey, columnKey);
6
            }
6
            }
7
        }
7
        }
Summary
Number of common nesting structure subtrees1
Number of refactorable cases0
Number of non-refactorable cases1
Time elapsed for finding largest common nesting structure subtrees (ms)0.3
Clones locationClones are declared in the same class
Number of node comparisons14
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements5
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)16.7
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    2
    for (int r = 0; r < data.length; r++)
    2
    for (int r = 0; r < data.length; r++)
    2
    for (int r = 0; r < data.length; r++)
    Differences
    Expression1Expression2Difference
    double[][]java.lang.Number[][]VARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type int of variable data.length does not match with type int of variable data.length
    • Make classes double[][] and java.lang.Number[][] extend a common superclass
    2
    for (int r = 0; r < data.length; r++)
    3
    String rowKey = rowKeyPrefix + (r + 1);
    3
    String rowKey = rowKeyPrefix + (r + 1);
    4
    for (int c = 0; c < data[r].length; c++)
    4
    for (int c = 0; c < data[r].length; c++)
    4
    for (int c = 0; c < data[r].length; c++)
    Differences
    Expression1Expression2Difference
    double[][]java.lang.Number[][]VARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type double[][] of variable data does not match with type java.lang.Number[][] of variable data
    • Make classes double[][] and java.lang.Number[][] extend a common superclass
    4
    for (int c = 0; c < data[r].length; c++)
    5
    String columnKey = columnKeyPrefix + (c + 1);
    5
    String columnKey = columnKeyPrefix + (c + 1);
    6
    result.addValue(new Double(data[r][c]), rowKey, columnKey);
    6
    result.addValue(new Double(data[r][c]), rowKey, columnKey);
    6
    result.addValue(data[r][c], rowKey, columnKey);
    Differences
    Expression1Expression2Difference
    java.lang.Doublejava.lang.NumberSUBCLASS_TYPE_MISMATCH
    new Double(data[r][c])data[r][c]TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression new Double(data[r][c]) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression data[r][c] cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6
    result.addValue(data[r][c], rowKey, columnKey);
    Precondition Violations (4)
    Row Violation
    1Type int of variable data.length does not match with type int of variable data.length
    2Type double[][] of variable data does not match with type java.lang.Number[][] of variable data
    3Expression new Double(data[r][c]) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression data[r][c] cannot be parameterized, because it has dependencies to/from statements that will be extracted