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How to enter quotes in a Java string?
I want to initialize a String in Java, but that string needs to include quotes; for example: "ROM" . I tried doing:
10 Ans...
Callback functions in Java
Is there a way to pass a call back function in a Java method?
17 Answers
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Can I obtain method parameter name using Java reflection?
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In Java 8 you can do the following:
import java.lang.reflect.Method;
import java.lang.reflect.Parameter;
import java.util.ArrayList;
import java.util.List;
public final class Methods {
public static List<String> get...
How is the default max Java heap size determined?
If I omit the -Xmxn option from the Java command line then a default value will be used. According to Java documentation
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How to import a .cer certificate into a java keystore?
During the development of a Java webservice client I ran into a problem. Authentication for the webservice is using a client certificate, a username and a password. The client certificate I received from the company behind the webservice is in .cer format. When I inspect the file using a text edit...
How can I reference the value of a final static field in the class?
Using JavaDoc, how can I reference the value of a final static field in the class?
1 Answer
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What is reflection and why is it useful?
...em (or itself).
For example, say you have an object of an unknown type in Java, and you would like to call a 'doSomething' method on it if one exists. Java's static typing system isn't really designed to support this unless the object conforms to a known interface, but using reflection, your code c...
How to free memory in Java?
Is there a way to free memory in Java, similar to C's free() function? Or is setting the object to null and relying on GC the only option?
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Is an array an object in java
In java we can declare an array like
11 Answers
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BMP 和 DIB - C/C++ - 清泛网 - 专注C/C++及内核技术
...图，在内存中则被叫做DDB或DIB。】
DDB位图在早期的Windows系统（Windows 3.0以前）中是很普遍的，事实上它也是唯一的。然而，随着显示器制造技术的进步，以及显示设备的多样化，DDB位图的一些固有的问题开始浮现出来了。比如...