45 lines
710 B
Text
45 lines
710 B
Text
PROGRAM CLASS_DEMO
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CLASS QUEUE
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LOCAL SP
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LOCAL DIM STACK[100]
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FUNCTION ISEMPTY()
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ISEMPTY=(SP=0)
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END FUNCTION
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PROCEDURE INIT
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SP=0
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END PROCEDURE
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PROCEDURE POP(->XX)
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XX=STACK[SP]
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SP=SP-1
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END PROCEDURE
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PROCEDURE PUSH(XX)
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SP=SP+1
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STACK[SP]=XX
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END PROCEDURE
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END CLASS
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NEW PILA:QUEUE
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BEGIN
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PILA_INIT ! constructor
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FOR N=1 TO 4 DO ! push 4 numbers
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PRINT("Push";N)
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PILA_PUSH(N)
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END FOR
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FOR I=1 TO 5 DO ! pop 5 numbers
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IF NOT PILA_ISEMPTY() THEN
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PILA_POP(->N)
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PRINT("Pop";N)
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ELSE
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PRINT("Queue is empty!")
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END IF
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END FOR
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PRINT("* End *")
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END PROGRAM
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