string Archives - Page 74 of 78

What is Java String interning?

http://docs.oracle.com/javase/7/docs/api/java/lang/String.html#intern() Basically doing String.intern() on a series of strings will ensure that all strings having same contents share same memory. So if you ...

April 7, 2022
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Why is there no String.Empty in Java?

String.EMPTY is 12 characters, and "" is two, and they would both be referencing exactly the same instance in memory at runtime. I’m not entirely sure ...

April 7, 2022
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Java split string to array

This behavior is explicitly documented in String.split(String regex) (emphasis mine): This method works as if by invoking the two-argument split method with the given expression ...

April 6, 2022
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Convert bytes to a string

I’m using this code to get standard output from an external program: >>> from subprocess import * >>> command_stdout = Popen(['ls', '-l'], stdout=PIPE).communicate()...

April 6, 2022
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Using Enum values as String literals

You can’t. I think you have FOUR options here. All four offer a solution but with a slightly different approach… Option One: use the ...

April 6, 2022
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What is the easiest/best/most correct way to iterate through the characters of a string in Java?

I use a for loop to iterate the string and use charAt() to get each character to examine it. Since the String is implemented with ...

April 6, 2022
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Does Python have a string ‘contains’ substring method?

This question’s answers are a community effort. Edit existing answers to improve this post. It is not currently accepting new answers or interactions. ...

April 6, 2022
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int cannot be converted to string?

April 6, 2022
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How to check if my string is equal to null?

April 6, 2022
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what is Ljava.lang.String;@

The method works if you provide an array. The output of String helloWorld = {"Hello", "World"}; System.out.println(helloWorld); System.out.println(Arrays.toString(helloWorld)); is [Ljava.lang.String;@45a877...

April 6, 2022
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