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Best way to convert list to comma separated string in java [duplicate]
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Java doesn't support single quotes
– Passionate Engineer
Oct 18 '15 at 15:21
10
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What are “connecting characters” in Java identifiers?
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U+FE4F ﹏ WAVY LOW LINE
U+FF3F ＿ FULLWIDTH LOW LINE
This compiles on Java 7.
int _, ‿, ⁀, ⁔, ︳, ︴, ﹍, ﹎, ﹏, ＿;
An example. In this case tp is the name of a column and the value for a given row.
Column<Double> ︴tp︴ = table.getColumn("tp", double.class);
double...
Java rounding up to an int using Math.ceil
...anation behind the "less intuitive approach"
Since dividing two integer in Java (and most other programming languages) will always floor the result. So:
int a, b;
int result = a/b (is the same as floor(a/b) )
But we don't want floor(a/b), but ceil(a/b), and using the definitions and plots from Wiki...
Why is there no Constant feature in Java?
I was trying to identify the reason behind constants in Java
I have learned that Java allows us to declare constants by using final keyword.
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How do I convert from int to String?
...oesn't know about the two methods above (what else might they not know?).
Java has special support for the + operator when used with strings (see the documentation) which translates the code you posted into:
StringBuilder sb = new StringBuilder();
sb.append("");
sb.append(i);
String strI = sb.toSt...
How to use Java property files?
... have a list of key/value pairs of configuration values I want to store as Java property files, and later load and iterate through.
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Can a program depend on a library during compilation but not runtime?
...t needed at compile-time is very common. For instance, if you're writing a Java EE 6 application, you compile against the Java EE 6 API, but at runtime, any Java EE container can be used; it's this container that provides the implementation.
Compile-time dependencies can be avoided by using reflect...
Android: android.content.res.Resources$NotFoundException: String resource ID #0x5
... ID #0x7f0700fd
at android.content.res.Resources.getText(Resources.java:299)
at android.content.res.Resources.getString(Resources.java:385)
at com.juvomobileinc.tigousa.ui.signin.SignInFragment$4.onClick(SignInFragment.java:188)
at android.view.View.performClick(View....
IntelliJ IDEA jump from interface to implementing class in Java
Is there some shortcut that would allow me after creating method in an interface, select and jump to implementing class of that interface?
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How to get current timestamp in milliseconds since 1970 just the way Java gets
In Java, we can use System.currentTimeMillis() to get the current timestamp in Milliseconds since epoch time which is -
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