453-1-2

if (obj == this) { return true; } if (!(obj instanceof MonthDateFormat)) { return false; } if (!super.equals(obj)) { return false; } MonthDateFormat that = (MonthDateFormat) obj; if (!Arrays.equals(this.months, that.months)) { return false; } if (!Arrays.equals(this.showYear, that.showYear)) { return false; } if (!this.yearFormatter.equals(that.yearFormatter)) { return false; } return true;
if (obj == this) { return true; } if (!(obj instanceof SymbolAxis)) { return false; } SymbolAxis that = (SymbolAxis) obj; if (!this.symbols.equals(that.symbols)) { return false; } if (this.gridBandsVisible != that.gridBandsVisible) { return false; } if (!PaintUtilities.equal(this.gridBandPaint, that.gridBandPaint)) { return false; } if (!PaintUtilities.equal(this.gridBandAlternatePaint, that.gridBandAlternatePaint)) { return false; } return super.equals(obj);

Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/axis/MonthDateFormat.java |  | File path: /jfreechart-1.0.10/src/org/jfree/chart/axis/SymbolAxis.java
Method name: `boolean equals(Object)` |  | Method name: `boolean equals(Object)`
Number of AST nodes: 14 |  | Number of AST nodes: 14

1

    if (obj == this) {↵

1

    if (obj == this) {↵

2

                return true;↵

2

                return true;↵

3

            }↵

3

            }↵

4

            if (!(obj instanceof MonthDateFormat)) {↵

4

            if (!(obj instanceof SymbolAxis)) {↵

5

                return false;↵

5

                return false;↵

6

            }↵

6

            }↵

7

            if (!super.equals(obj)) {↵

7

            ↵

8

                return false;↵

9

            }↵

10

            MonthDateFormat that = (MonthDateFormat) obj;↵

11

            if (!Arrays.equals(this.months, that.months)↵

8

    SymbolAxis that = (SymbolAxis) obj;↵

9

            if (!this.symbols.equals(that.symbols)) {↵

10

                return false;↵

11

            }↵

12

    ) {↵

12

            if (this.gridBandsVisible != that.gridBandsVisible) {↵

13

                return false;↵

13

                return false;↵

14

            }↵

14

            }↵

15

            if (!Arrays.equals(this.showYear, that.showYear)) {↵

15

            if (!PaintUtilities.equal(this.gridBandPaint, that.gridBandPaint)) {↵

16

                return false;↵

16

                return false;↵

17

            }↵

17

            }↵

18

            if (!this.yearFormatter.equals(that.yearFormatter↵

18

            if (!PaintUtilities.equal(this.gridBandAlternatePaint, ↵

19

    )) {↵

19

                    that.gridBandAlternatePaint)) {↵

20

                return false;↵

20

                return false;↵

21

            }↵

21

            }↵

22

            return true;

22

            return super.equals(obj);

See real code fragment |  | See real code fragment

Summary
Number of common nesting structure subtrees | 1
Number of refactorable cases | 0
Number of non-refactorable cases | 1
Time elapsed for finding largest common nesting structure subtrees (ms) | 1.9
Clones location | Clones are in different classes
Number of node comparisons | 54

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 6
   Number of unmapped statements in the first code fragment | 0
   Number of unmapped statements in the second code fragment | 1
   Time elapsed for statement mapping (ms) | 1.1
   Clone type | Type 3

   Mapped Statements
   ID | Statement |  | ID | Statement
   --- | --- | --- | --- | ---

   1

       if (obj == this)

   1

       if (obj == this)

   2

       return true;

   2 | return true;
   2 | return true;

   Preondition Violations
   Conditional return true;
   Conditional return true;

   2

       return true;

   3

       if (!(obj instanceof MonthDateFormat))

   3 | if (!(obj instanceof MonthDateFormat))
   3 | if (!(obj instanceof SymbolAxis))

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   org.jfree.chart.axis.MonthDateFormat | org.jfree.chart.axis.SymbolAxis | VARIABLE_TYPE_MISMATCH

   Preondition Violations

   Type boolean of variable obj instanceof MonthDateFormat does not match with type boolean of variable obj instanceof SymbolAxis
   - Make classes org.jfree.chart.axis.MonthDateFormat and org.jfree.chart.axis.SymbolAxis extend a common superclass

   3

       if (!(obj instanceof SymbolAxis))

   4

       return false;

   4 | return false;
   4 | return false;

   Preondition Violations
   Conditional return false;
   Conditional return false;

   4

       return false;

   5

       SymbolAxis that = (SymbolAxis)obj;

   5

       if (!super.equals(obj))

   5 | if (! super.equals(obj))
   6 | if (! this.symbols.equals(that.symbols))

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   super.equals(obj) | this.symbols.equals(that.symbols) | TYPE_COMPATIBLE_REPLACEMENT

   6

       if (!this.symbols.equals(that.symbols))

   6

       return false;

   6 | return false;
   7 | return false;

   Preondition Violations
   Conditional return false;
   Conditional return false;

   7

       return false;

   Precondition Violations (7)
   Row | Violation
   --- | ---
   1 | Type boolean of variable obj instanceof MonthDateFormat does not match with type boolean of variable obj instanceof SymbolAxis
   2 | Conditional return true;
   3 | Conditional return true;
   4 | Conditional return false;
   5 | Conditional return false;
   6 | Conditional return false;
   7 | Conditional return false;