public class SimpleTest {
  	public int hello(int x, int y)
	{
            return (x + y)
	}
	
	public void caller()
	{
		int z = hello(10, 20);
	}
}

public class SimpleTest {
	public void caller()
	{
		int z = (10 + 20);
	}
}

    	IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
    	IProject project = root.getProject("Hello");
    	project.open(null /* IProgressMonitor */);
    	
    	IJavaProject javaProject = JavaCore.create(project);
    	IType itype = javaProject.findType("SimpleTest");
    	org.eclipse.jdt.core.ICompilationUnit icu = itype.getCompilationUnit();
  	
    	String projectName = icu.getResource().getProject().getName();
    	String description = "Inline method programmatically";
    	String comments = "";
    	Map arguments = new HashMap();
    	//arguments.put("", ""); <-- ???
    	int flags = 0;
    	
    	InlineMethodDescriptor descriptor = new InlineMethodDescriptor(
    			projectName, description, comments, arguments, flags);

        RefactoringStatus status = new RefactoringStatus();
        try {
        	Refactoring refactoring = descriptor.createRefactoring(status);

        	IProgressMonitor monitor = new NullProgressMonitor();
        	refactoring.checkInitialConditions(monitor);
        	refactoring.checkFinalConditions(monitor);
        	Change change = refactoring.createChange(monitor);
        	change.perform(monitor);

        } catch (CoreException e) {
        	// TODO Auto-generated catch block
        	e.printStackTrace();
        } catch (Exception e) {
        	// TODO Auto-generated catch block
        	e.printStackTrace();
        }