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equals
public boolean equals(
Object obj
)
Returns true if the specified object is another
StackTraceElement instance representing the same execution
point as this instance. Two stack trace elements a and
b are equal if and only if:
equals(a.getFileName(), b.getFileName()) &&
a.getLineNumber() == b.getLineNumber()) &&
equals(a.getClassName(), b.getClassName()) &&
equals(a.getMethodName(), b.getMethodName())
where equals is defined as:
static boolean equals(Object a, Object b) {
return a==b || (a != null && a.equals(b));
}
getClassName
public String getClassName(
)
Returns the fully qualified name of the class containing the
execution point represented by this stack trace element.
getFileName
public String getFileName(
)
Returns the name of the source file containing the execution point
represented by this stack trace element. Generally, this corresponds
to the SourceFile attribute of the relevant class
file (as per The Java Virtual Machine Specification, Section
4.7.7). In some systems, the name may refer to some source code unit
other than a file, such as an entry in source repository.
getLineNumber
public int getLineNumber(
)
Returns the line number of the source line containing the execution
point represented by this stack trace element. Generally, this is
derived from the LineNumberTable attribute of the relevant
class file (as per The Java Virtual Machine
Specification, Section 4.7.8).
getMethodName
public String getMethodName(
)
Returns the name of the method containing the execution point
represented by this stack trace element. If the execution point is
contained in an instance or class initializer, this method will return
the appropriate special method name, <init> or
<clinit>, as per Section 3.9 of The Java Virtual
Machine Specification.
hashCode
public int hashCode(
)
Returns a hash code value for this stack trace element.
isNativeMethod
public boolean isNativeMethod(
)
Returns true if the method containing the execution point
represented by this stack trace element is a native method.
toString
public String toString(
)
Returns a string representation of this stack trace element. The
format of this string depends on the implementation, but the following
examples may be regarded as typical:
-
"MyClass.mash(MyClass.java:9)" - Here, "MyClass"
is the fully-qualified name of the class containing the
execution point represented by this stack trace element,
"mash" is the name of the method containing the execution
point, "MyClass.java" is the source file containing the
execution point, and "9" is the line number of the source
line containing the execution point.
-
"MyClass.mash(MyClass.java)" - As above, but the line
number is unavailable.
-
"MyClass.mash(Unknown Source)" - As above, but neither
the file name nor the line number are available.
-
"MyClass.mash(Native Method)" - As above, but neither
the file name nor the line number are available, and the method
containing the execution point is known to be a native method.
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