7 self in: obj var: #id put: aId.
13 'TestClass>>run' printNl.
16 thisContext method name printNl.
26 (obj := self basicNew) initialize.
35 doesNotUnderstand: aSel args: aArgs [
41 obj ifNil: [ obj := TestClass new: cnt. cnt := cnt + 1 ].
44 ^obj perform: aSel withArguments: (aArgs from: 2).