Header h = new Header(); headers.add(h); return h;
Option opt = new Option(); options.add(opt); return opt;
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/email/EmailTask.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Apt.java
Method name: Header createHeader() Method name: Option createOption()
Number of AST nodes: 3 Number of AST nodes: 3
1
Header h = new Header();
1
Option opt = new Option();
2
        headers.add(h);
2
        options.add(opt);
3
        return h;
3
        return opt;
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)0.0
Clones locationClones are in different classes having the same super class
Number of node comparisons9
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements1
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)0.0
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                          
    1
    Option opt = new Option();
    1
    Header h = new Header();
                                                      
    2
    headers.add(h);
    2
    headers.add(h);
    2
    options.add(opt);
    Differences
    Expression1Expression2Difference
    hoptVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.taskdefs.email.Headerorg.apache.tools.ant.taskdefs.Apt.OptionVARIABLE_TYPE_MISMATCH
    headersoptionsVARIABLE_NAME_MISMATCH
    Preondition Violations
    Type org.apache.tools.ant.taskdefs.email.Header of variable h does not match with type org.apache.tools.ant.taskdefs.Apt.Option of variable opt
    • Make classes org.apache.tools.ant.taskdefs.email.Header and org.apache.tools.ant.taskdefs.Apt.Option extend a common superclass
    2
    options.add(opt);
                                
    3
    return opt;
    Preondition Violations
    Unmatched return opt;
    3
    return opt;
    3
    return h;
    3
    return h;
    Preondition Violations
    Unmatched return h;
                            
    Precondition Violations (3)
    Row Violation
    1Type org.apache.tools.ant.taskdefs.email.Header of variable h does not match with type org.apache.tools.ant.taskdefs.Apt.Option of variable opt
    2Unmatched return opt;
    3Unmatched return h;