Comparison Operator Summary : Comparison Operators « Operators « SCJP

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SCJP » Operators » Comparison Operators

2.6.1.Comparison Operator Summary

Operator        Example         Result

  

<               5 < 7           true

   

<=              5 <= 7          true

   

>               5 > 7           false

   

>=              5 >= 7          false

   

==              5 == 7          false

   

!=              5 != 7          true

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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