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Isn’t SecurityContextHolder a Bean?

Trying to Autowire SecurityContextHolder I get error Turns out that it is available from any part of the code like How come it isn’t a bean and how does it get initialized under the hood? Are there other static utility classes like that available to be consumed from anywhere and how do I find them? Answer SecurityContextHolder is a utility

Cash to Change in Java

I am new to Java and was trying to write code that would tell you how much change you would receive for a given amount of money (in minimum number of coins). For example $0.31 would give 1 quarters, 0 dimes, 1 nickels, 1 pennies. I got to a point where my code seemed to work. However, while most values

How to make a Java containsignorecase that works with all human languages

For example I have this simple containsignorecase method: But it fails with some comparissions like: ΙΧΘΥΣ & ιχθυσ So I switched to this library which is mentioned here: which has its own method StringUtils.containsIgnoreCase: Now it works for ΙΧΘΥΣ & ιχθυσ, but it fails for weiß & WEISS, tschüß & TSCHÜSS, ᾲ στο διάολο & Ὰͅ Στο Διάολο, flour and

java form does not display [closed]

Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 3 months ago. Improve this question I am very new to java forms. Sorry about this easy question, I’ve searched too many forums but still couldn’t find the issue. I have

Retrieve word(s) from characters using map

I am trying to understand Collections and Stream. I have split the sentence below and kept the position of each letter (I ignored space/blank): “Hello Word!” Results: [H, e, l, l, o, , W, o, r, d, !] (charsList) {!=[10], r=[8], d=[9], e=[1], W=[6], H=[0], l=[2, 3], o=[4, 7]} (charsIndex) How can I sort the characters and rebuild my word

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