大约有 8,000 项符合查询结果（耗时：0.0218秒） [XML]
Why is the clone() method protected in java.lang.Object?
What is the specific reason that clone() is defined as protected in java.lang.Object ?
11 Answers
...
Is not an enclosing class Java
...lly helpful, I never knew you could call new twice in a row (and I've done java for 8+ years!)
– PaulBGD
Sep 13 '15 at 0:58
1
...
What is a good Java library to zip/unzip files? [closed]
...
i got org.zeroturnaround.zip.ZipException: java.io.FileNotFoundException: images\001GL.JPG: open failed: EINVAL (Invalid argument) error
– Smit Patel
Jan 16 '14 at 11:30
...
Is there a way to dump a stack trace without throwing an exception in java?
I am thinking of creating a debug tool for my Java application.
10 Answers
10
...
Java: difference between strong/soft/weak/phantom reference
...
Java provides two different types/classes of Reference Objects: strong and weak. Weak Reference Objects can be further divided into soft and phantom.
Strong
Weak
soft
phantom
Let's go point by point.
Strong Reference...
Why so red? IntelliJ seems to think every declaration/method cannot be found/resolved
I just installed and re-installed IntelliJ. Every Java file is coming up RED. I checked the JDK; it is at 1.6.##. The maven clean install build worked just fine.
...
C# Set collection?
Does anyone know if there is a good equivalent to Java's Set collection in C#? I know that you can somewhat mimic a set using a Dictionary or a HashTable by populating but ignoring the values, but that's not a very elegant way.
...
Show data on mouseover of circle
...
Lars KotthoffLars Kotthoff
98.3k1313 gold badges176176 silver badges180180 bronze badges
...
Printing a variable memory address in swift
...d you can obtain it with &varname
The function prints 0x7fff5fbfed98, an at this memory address you will find 289 (in hexadecimal notation). You can change its content with *intptr = 123456
Now, some other things to know.
String, in swift, is a primitive type, not an object.
CInt is a Swi...
Difference between String replace() and replaceAll()
What's the difference between java.lang.String 's replace() and replaceAll() methods,
other than later uses regex? For simple substitutions like, replace . with / ,
is there any difference?
...