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Java Data Type Q&A » Boolean » operator 

1. Difference in & and &&    stackoverflow.com

I always thought that "&&" operator in JAVA is used for verifying whether both its boolean operands are TRUE, and the "&" operator is used to do Bit wise operations on ...

2. Logical Complement Operator?    stackoverflow.com

is it possible to use the logical operator "!" on object that holds a value of true or false? specifically for an object like this?

public class Briefcase {
   ...

4. Booleans and Operator precedence    coderanch.com

How does this happen? boolean b1 = true; boolean b2 = false; boolean b3 = false; b3 &= b1 | b2; // prints false... b3 = b3 & b1 | b2; // prints true... Operator precedence is &, ^, | so why does the grouping change??? Is it because of the &= assignment operator? This is weird, but neat.

5. Boolean || operator    coderanch.com

6. Boolean operators    coderanch.com

String x=null; if((x!=null) && x.equals("hello")) { // do something... } Now, in the case of && (short circuit operation) if x is null, the statement will terminate after the first expression *BUT* if & was used in its place, this would throw a null pointer exception anytime x was null since it would always execute both sides. There are other cases ...

7. boolean operators    coderanch.com

hello guys, 2 questions i would like to ask on boolean operations: 1. Is there any operators that can be used with boolean data types? 2. I am trying to do a comparison between 2 boolean type variable to get the result, like this: if a is true, b is true then c is true, else c is false. I know ...

8. operator & cannot be applied to boolean.java.lang.String    coderanch.com

Hello. It is pointless to say i'm new to java because anyperson asking for help in the beginner section is. Anyway, i am writing a program to tell what type of triangle the length of 3 sides make. I keep getting operator & cannot be applied to boolean.java.lang.String when i try to compile. here is my code /* Determines type of ...

9. operator || cant be applied to OlimpicFrog, boolean    java-forums.org

/** * * Moves to the home position and then moves right by the number of times indicated by the class constant RUN_UP, * Performs a jump; Next Increments the receivers medalCount by one and then checks the value of the class variable currentLeader. * (To become the current leader, an OlympicFrog must have more medals than the current title holder. ...

10. Boolean operators    forums.oracle.com

11. Behaviour of the boolean XOR ^ operator    forums.oracle.com

You have probably noticed that Joachims code is many more lines than mine even though we both use the same idea. Joachim is right in putting in the braces { and } since the Java coding conventions say you should. I rather deliberately break that rule when my if statement fits on one line. You decide whether you do the same. ...

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