false « Boolean « Java Data Type Q&A

1. Best way to define true, false, unset state    stackoverflow.com

If you have a situation where you need to know where a boolean value wasn't set (for example if that unset value should inherit from a parent value) the Java boolean ...

2. why boolean in java takes only true or false? why not 1 or 0 also    stackoverflow.com

is there any reason why java booleans take only true or false why not 1 or 0 also?

3. String boolean value > Boolean, always False!    stackoverflow.com

I'm reading in a csv file and creating a Person object from the fields on each line, one line representing a person. The strings that are being read in are put ...

4. How does boolean here become false on its own    stackoverflow.com

This is action listener of print button

public void hookUpEvents() {
 print.addActionListener( new ActionListener() {
   public void actionPerformed( ActionEvent ae ) {
      PrinterJob job = ...

5. Is there a valid reason to code a false boolean as "Boolean.FALSE" in java?    stackoverflow.com

So code reviewers are complaining about code like this:

boolean myFlag = false;

boolean myFlag = Boolean.FALSE;

6. Boolean.parseBoolean("1") = false...?    stackoverflow.com

sorry to be a pain... I have: HashMap<String, String> o

o.get('uses_votes'); // "1"

Boolean.parseBoolean(o.get('uses_votes')); // "false"

7. False boolean = True?    stackoverflow.com

I found this code in a book and I executed it in Netbeans:

boolean b = false;
if(b = true) {
    System.out.println("true");
} else {
    System.out.println("false");
}

8. boolean always returned as false    coderanch.com

Originally posted by Iain Linton: public Job(int ref, int nCopy, boolean doubleSided, int nPages, String staffMember, Time time, Date date) { doubleSided = false; } I don't think this line does what you think it does. This says that the input parameter should be set to false, but since this is a primitive, this does not set any values ...

9. Boolean.True and Boolean.False, why do some people use these?    java-forums.org

I believe auto unboxing is worth avoiding when possible. If you know you plan to add it to some collection I believe it takes less space to use the Boolean.TRUE, or Boolean.FALSE. Here is some useful information: http://stackoverflow.com/questions/4...d-true-in-java It seems that the Boolean.TRUE, and Boolean.FALSE are singletons, so there will only be one instance, rather than 3243146789126 primitives. Here is some ...

10. Returning a value instead of false for a boolean    java-forums.org

I would appreciate if anyone could help me with what seems to be a very simple question but i cannot get it to work. I have the following method: public boolean search (int parameter) { for (int i = 0; i < intArray.length; i++) { if (parameter >= 0 && parameter <= i){ return true; } } return false; } However ...

11. How to print out a boolean variable :true or false?    forums.oracle.com

12. boolean always returning false;    forums.oracle.com