header relay위한 Concat user function추가
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@@ -9,7 +9,7 @@ public class ConcatFunction extends PostfixMathCommand {
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public ConcatFunction() {
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numberOfParameters = 2;
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}
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}
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public void run(Stack inStack) throws ParseException {
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checkStack(inStack);
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@@ -20,5 +20,6 @@ public class ConcatFunction extends PostfixMathCommand {
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String value = param1 + param2;
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inStack.push(value);
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}
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}
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}
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