index being used during equality operator but not comparison operator
50123
Index for numeric field is not used
53664
What's the difference between equal?, eql?, ===, and ==?
48470
Integer wrapper class and == operator - where is behavior specified?
149631
Math-like chaining of the comparison operator - as in, "if ( (5<j<=1) )"
62005
Implied string comparison, 0=='', but 1=='1'
87995
Assignment statement used in conditional operators
11189
'is' operator behaves differently when comparing strings with spaces
2635
equality of two operators...
54719
How to handle equality constraints in this problem?
132543
Can I use chained comparison operator syntax?
128865
The equals() method in Java works unexpectedly on Long data type
93418
+= operator appears to modify frozen string
45245
Operator || or | cannot be used
152654
Comparing references in Java
126174
What is the difference between != and  operators?
158810
Why does >= return false when == returns true for null values?
71607
What's this =! operator?