24 lines
807 B
Java
24 lines
807 B
Java
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package TypeCheck;
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import java.util.Objects;
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public class TypeCheckHelper {
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public String upperBound(String type1, String type2) throws Exception{
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boolean type1Primitiv = Objects.equals(type1, "bool") || Objects.equals(type1, "int") || Objects.equals(type1, "char");
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boolean type2Primitiv = Objects.equals(type2, "bool") || Objects.equals(type2, "int") || Objects.equals(type2, "char");
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String result;
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if(type1Primitiv && type2Primitiv){
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if(Objects.equals(type1, type2)){
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result = type1;
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}
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throw new Exception("no upper bound");
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}else if(type1Primitiv || type2Primitiv){
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throw new Exception("no upper bound");
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}else{
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result = "class";
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}
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return result;
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}
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}
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