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How to get the user input in Java?
...y of the following options based on the requirements.
Scanner class
import java.util.Scanner;
//...
Scanner scan = new Scanner(System.in);
String s = scan.next();
int i = scan.nextInt();
BufferedReader and InputStreamReader classes
import java.io.BufferedReader;
import java.io.InputStreamReader;
...
Java 8 Lambda function that throws exception?
...
Wow. Java is worse than I thought
– user275801
Jan 9 at 3:19
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show 3 ...
How to find unused/dead code in java projects [closed]
What tools do you use to find unused/dead code in large java projects? Our product has been in development for some years, and it is getting very hard to manually detect code that is no longer in use. We do however try to delete as much unused code as possible.
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Scanning Java annotations at runtime [closed]
...h for classes whose fields have custom annotation?
– Javatar
Dec 12 '12 at 14:10
6
@Javatar Use J...
How would you implement an LRU cache in Java?
...kedHashMap</code> to do that, but that behavior is documented in the JavaDoc for
* <code>LinkedHashMap</code>.
* </p>
*
* @param eldest
* the <code>Entry</code> in question; this implementation doesn't care what it is, since the...
How do I print a double value without scientific notation using Java?
I want to print a double value in Java without exponential form.
14 Answers
14
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Naming conventions for java methods that return boolean(No question mark)
...sing question mark at the end of method/function names in other languages. Java doesn't let me do this. As a workaround how else can I name boolean returning methods in Java? Using an is , has , should , can in the front of a method sound okay for some cases. Is there a better way to name such ...
Why does Java's hashCode() in String use 31 as a multiplier?
Per the Java documentation, the hash code for a String object is computed as:
13 Answers
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Does Java support default parameter values?
I came across some Java code that had the following structure:
24 Answers
24
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Java equivalent of unsigned long long?
...unsigned integer, via unsigned long long int , or via uint64_t . Now, in Java longs are 64 bits, I know. However, they are signed.
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