if (o == null || !(o instanceof ZipLong)) { return false; } return value == ((ZipLong) o).getValue();
if (o == null || !(o instanceof ZipShort)) { return false; } return value == ((ZipShort) o).getValue();
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/zip/ZipLong.java File path: /apache-ant-1.7.0/src/org/apache/tools/zip/ZipShort.java
Method name: boolean equals(Object) Method name: boolean equals(Object)
Number of AST nodes: 3 Number of AST nodes: 3
1
if (o == null || !(o instanceof ZipLong)) {
1
if (o == null || !(o instanceof ZipShort)) {
2
            return false;
2
            return false;
3
        }
3
        }
4
        return value == ((ZipLong) o).getValue();
4
        return value == ((ZipShort) o).getValue();
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)0.2
Clones locationClones are in different classes
Number of node comparisons5
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements2
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)0.4
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (o == null || !(o instanceof ZipLong))
    1
    if (o == null || !(o instanceof ZipLong))
    1
    if (o == null || !(o instanceof ZipShort))
    Differences
    Expression1Expression2Difference
    org.apache.tools.zip.ZipLongorg.apache.tools.zip.ZipShortVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type boolean of variable o instanceof ZipLong does not match with type boolean of variable o instanceof ZipShort
    • Make classes org.apache.tools.zip.ZipLong and org.apache.tools.zip.ZipShort extend a common superclass
    1
    if (o == null || !(o instanceof ZipShort))
    2
    return false;
    2
    return false;
                                                                                            
    3
    return value == ((ZipShort)o).getValue();
    Preondition Violations
    Unmatched return value == ((ZipShort)o).getValue();
    3
    return value == ((ZipShort)o).getValue();
    3
    return value == ((ZipLong)o).getValue();
    3
    return value == ((ZipLong)o).getValue();
    Preondition Violations
    Unmatched return value == ((ZipLong)o).getValue();
                                                                                          
    Precondition Violations (3)
    Row Violation
    1Type boolean of variable o instanceof ZipLong does not match with type boolean of variable o instanceof ZipShort
    2Unmatched return value == ((ZipShort)o).getValue();
    3Unmatched return value == ((ZipLong)o).getValue();