大约有 8,000 项符合查询结果（耗时：0.0255秒） [XML]
How to check if BigDecimal variable == 0 in java?
I have the following code in Java;
10 Answers
10
...
Case objects vs Enumerations in Scala
...
Another point for case objects is if you care about java interoperability. The Enumeration would return the values as Enumeration.Value, thus 1) requiring scala-library, 2) losing the actual type information.
– juanmirocks
Oct 24 '12 at 9...
How to convert Set to String[]?
...
From Java 7 we can use String[] GPXFILES1 = myset.toArray(new String[0]) and that's recommended. Update the answer. "Since late updates of OpenJDK 6 this call was intrinsified, making the performance of the empty array version th...
implements Closeable or implements AutoCloseable
I'm in the process of learning Java and I cannot find any good explanation on the implements Closeable and the implements AutoCloseable interfaces.
...
In Java, how do I call a base class's method from the overriding method in a derived class?
I have two Java classes: B, which extends another class A, as follows :
12 Answers
12
...
java.net.MalformedURLException: no protocol
I am getting Java exception like:
2 Answers
2
...
Can we have multiline comments in a Java properties file?
In a Java .properties file we can do single line comments with # .
11 Answers
11
...
What does the keyword “transient” mean in Java? [duplicate]
...e object
is recreated from those bytes. Member
variables marked by the java transient
keyword are not transferred, they are
lost intentionally.
Example from there, slightly modified (thanks @pgras):
public class Foo implements Serializable
{
private String saveMe;
private transient...
Run jar file in command prompt [duplicate]
...
Try this
java -jar <jar-file-name>.jar
share
|
improve this answer
|
follow
|
...
How to set IntelliJ IDEA Project SDK
...
For a new project select the home directory of the jdk
eg C:\Java\jdk1.7.0_99
or C:\Program Files\Java\jdk1.7.0_99
For an existing project.
1) You need to have a jdk installed on the system.
for instance in
C:\Java\jdk1.7.0_99
2) go to project structure under File menu ctrl+alt+s...