大约有 7,570 项符合查询结果（耗时：0.0267秒） [XML]
how to create a Java Date object of midnight today and midnight tomorrow?
...
java.util.Calendar
// today
Calendar date = new GregorianCalendar();
// reset hour, minutes, seconds and millis
date.set(Calendar.HOUR_OF_DAY, 0);
date.set(Calendar.MINUTE, 0);
date.set(Calendar.SECOND, 0);
date.set(Cale...
proper hibernate annotation for byte[]
...ersistent property or instance
variable of any of the following
types: Java primitive, types, wrappers
of the primitive types,
java.lang.String,
java.math.BigInteger,
java.math.BigDecimal,
java.util.Date,
java.util.Calendar, java.sql.Date,
java.sql.Time, java.sql.Timestamp,
byte[...
How to remove duplicate white spaces in string using Java?
... white spaces (including tabs, newlines, spaces, etc...) in a string using Java?
9 Answers
...
Extract source code from .jar file
Is there a way to extract the source code from an executable .jar file (Java ME)?
10 Answers
...
Java: recommended solution for deep cloning/copying an instance
...ring if there is a recommended way of doing deep clone/copy of instance in java.
9 Answers
...
File changed listener in Java
...
This is no longer true in Java 7: there's now an API for this that can hook into the OS's notification services: blogs.oracle.com/thejavatutorials/entry/…
– Arnout Engelen
Sep 29 '11 at 10:00
...
Java 8 Lambda function that throws exception?
...
Wow. Java is worse than I thought
– user275801
Jan 9 at 3:19
|
show 3 ...
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;
...
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.
...
Java 8 NullPointerException in Collectors.toMap
The Java 8 Collectors.toMap throws a NullPointerException if one of the values is 'null'. I don't understand this behaviour, maps can contain null pointers as value without any problems. Is there a good reason why values cannot be null for Collectors.toMap ?
...