Bug 52064 Content assist in "New Class" Dialog shows interfaces
Content Assist is available for the superclass in M7. However it also lists interfaces. If an interface is selected, the generated class "extends" it instead of "implementing" it.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/wizards/NewTypeWizardPage.java
buf.append(',');
				}
			}
		}
	}
	/*
	 * Called from createType to construct the source for this type
	 */		
	private String constructTypeStub(ImportsManager imports, String lineDelimiter) {	
		StringBuffer buf= new StringBuffer();
			
		int modifiers= getModifiers();
		buf.append(Flags.toString(modifiers));
		if (modifiers != 0) {
			buf.append(' ');
		}
		buf.append(fIsClass ? "class " : "interface "); 
		buf.append(getTypeName());
		writeSuperClass(buf, imports);
		writeSuperInterfaces(buf, imports);	
		buf.append('{');
		buf.append(lineDelimiter);
		buf.append(lineDelimiter);
		buf.append('}');
		buf.append(lineDelimiter);
		return buf.toString();
	}
	
	/**
	 * Hook method that gets called from <code>createType</code> to support adding of