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java.lang.Objectorg.apache.bcel.generic.Type
org.apache.bcel.generic.ReferenceType
edu.umd.cs.findbugs.ba.type.NullType
public class NullType
Special type representing the null value. This is a type which is higher in the lattice than any object type, but lower than the overall Top type. It represents the type of the null value, which may logically be merged with any object type without loss of information.
TypeAnalysis
,
TypeFrame
,
TypeMerger
,
Serialized FormField Summary |
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Fields inherited from class org.apache.bcel.generic.Type |
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BOOLEAN, BYTE, CHAR, CLASS, DOUBLE, FLOAT, INT, LONG, NO_ARGS, NULL, OBJECT, SHORT, signature, STRING, STRINGBUFFER, THROWABLE, type, UNKNOWN, VOID |
Fields inherited from interface edu.umd.cs.findbugs.ba.type.ExtendedTypes |
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T_AVAIL_TYPE, T_BOTTOM, T_DOUBLE_EXTRA, T_EXCEPTION, T_LONG_EXTRA, T_NULL, T_TOP |
Method Summary | |
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boolean |
equals(java.lang.Object o)
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int |
hashCode()
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static NullType |
instance()
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Methods inherited from class org.apache.bcel.generic.ReferenceType |
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firstCommonSuperclass, getFirstCommonSuperclass, isAssignmentCompatibleWith, isCastableTo |
Methods inherited from class org.apache.bcel.generic.Type |
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getArgumentTypes, getMethodSignature, getReturnType, getSignature, getSignature, getSize, getType, getType, getType, getTypes, toString |
Methods inherited from class java.lang.Object |
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clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
Method Detail |
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public int hashCode()
hashCode
in class org.apache.bcel.generic.Type
public boolean equals(java.lang.Object o)
equals
in class org.apache.bcel.generic.Type
public static NullType instance()
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