Comparison Operators « Operators « SCJP
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Comparison Operators
2.6.Comparison Operators
2.6.1.
Comparison Operator Summary
2.6.2.
Comparison operators <, <=, >, >=, = =, and != return a boolean result.
2.6.3.
Comparison operators are commonly used to form conditions
2.6.4.
The Ordinal Comparisons Operators: <, <=, >, and >=
2.6.5.
It is acceptable to compare the float value to the char variable c.
2.6.6.
Ordinal comparisons are not applicable to any non-numeric types.
2.6.7.
The Equality Comparison Operators: == and != for primitive types
2.6.8.
The Equality Comparison Operators: == and != for variables of object type
2.6.9.
You should not use these operators to compare the contents of objects.
2.6.10.
To do a content comparison, use equals() method rather than the == or != operator.
2.6.11.
For object references, the == operator returns true only if both references are to the same object.
2.6.12.
Define your own equals Method
2.6.13.
The == with Strings Trap
2.6.14.
"Equality" Operators
2.6.15.
Equality for Reference Variables
2.6.16.
Equality for Enums
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