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I've seen some examples and documentation that capitalizes the first word of aria labels. Why is this? What if you have two words?

I run across many shell scripts with variables in all caps, and I've always thought that there is a severe misunderstanding with that. My understanding is that, by convention (and perhaps by necessity long ago), environment variables are in all-caps.

But in modern scripting environments like Bash, I have always preferred the convention of lower-case names for temporary variables, and upper-case ones only for exported (i.e. environment) variables. For example:

#!/usr/bin/env bashyear=`date +%Y`echo "It is $year."export JAVA_HOME="$HOME/java"

That has always been my take on things. Are there any authoritative sources which either agree or disagree with this approach, or is it purely a matter of style?

I am using Java to get a String input from the user. I am trying to make the first letter of this input capitalized.

I tried this:

String name;BufferedReader br = new InputStreamReader(System.in);String s1 = name.charAt(0).toUppercase());System.out.println(s1 + name.substring(1));

which led to these compiler errors:

• Type mismatch: cannot convert from InputStreamReader to BufferedReader

• Cannot invoke toUppercase() on the primitive type char

I have this code in component.html

<div class="dashboard-table-item row"       *ngFor="let item of itemArray">  <span>{{item.value == 'user' ? 'student' : item.value  | titlecase}}</span></div>

itemArray can have one of this values: admin | editor | userI want without modifying the itemArray output: user --> student and then titlecase it.

I know I could change 'student' for 'Student' and it works, but my question is why does pipe(| titlecase) not work with ternary operator(condition ? 'value1' : item.value) Value1

Is there a function built into Java that capitalizes the first character of each word in a String, and does not affect the others?

Examples:

• jon skeet -> Jon Skeet
• miles o'Brien -> Miles O'Brien (B remains capital, this rules out Title Case)
• old mcdonald -> Old Mcdonald*

*(Old McDonald would be find too, but I don't expect it to be THAT smart.)

A quick look at the Java String Documentation reveals only toUpperCase() and toLowerCase(), which of course do not provide the desired behavior. Naturally, Google results are dominated by those two functions. It seems like a wheel that must have been invented already, so it couldn't hurt to ask so I can use it in the future.