Contents
Can a boolean return a string?
toString(boolean b) returns a String object representing the specified boolean. If the specified boolean is true, then the string “true” will be returned, otherwise the string “false” will be returned.
What does boolean false return?
Notice that the boolean in the if-test (true or false) happens to be the same as the value we want to return. If the test value is true, we return true. If the test value is false, we return false.
What would a boolean data type return?
Bool method for built-in types is defined such that it returns false for a numeric value of zero, the null value, the empty string, empty containers (lists, sets, etc.), external processes that exited with non-zero exit code; for other values Bool returns true.
Are boolean true and false strings?
The string representation of a Boolean is either “True” for a true value or “False” for a false value.
Should I use Boolean or Boolean?
for AsyncTask , you can only use Boolean instead of boolean . booleans don’t safe you any memory over Boolean. Boolean has two constant instances, TRUE and FALSE, they are there regardless if you use a Boolean, or not.
Why does boolean.tostring return true and not true?
bool.TrueString is a read-only field that contains the hardcoded literal “True”. Therefore, saying that it returns TrueString is the same as saying it returns the hardcoded literal “True” stored in it, given that returning a string always returns the value and not a reference. The observable result is the same.
How to set the value of a field in Java?
The setBoolean () method of java.lang.reflect.Field used to set the value of a field as a boolean on the specified object. When you need to set the value of a field of an object as boolean then you can use this method to set value over an Object.
Can a boolean method return a string in Java?
I have done that ! but in this part i have problems: if the user enters another thing the program must say something like “wrong answer” and repeat the question. I can’t return a string because is a boolean method and i dont know how to resolve this.