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How to get names of classes inside a jar file?
...tunately, Java doesn't provide an easy way to list classes in the "native" JRE. That leaves you with a couple of options: (a) for any given JAR file, you can list the entries inside that JAR file, find the .class files, and then determine which Java class each .class file represents; or (b) you can ...
How can you speed up Eclipse?
...t with any other JDK you want: 1.4.2, 1.5, 1.6 older...)
-vm jdk1.6.0_10\jre\bin\client\jvm.dll
Configuring the eclipse.ini (see this question for a complete eclipse.ini)
-Xms512m
-Xmx4096m
[...]
The Xmx argument is the amount of memory Eclipse will get (in simple terms). With -Xmx4g, i...
java.io.Console support in Eclipse IDE
...sses externally by setting the built classes in the bin directories on the JRE classpath.
java -cp workspace\p1\bin;workspace\p2\bin foo.Main
You can debug using the remote debugger and taking advantage of the class files built in your project.
In this example, the Eclipse project structure look...
How do I find the duplicates in a list and create another list with them?
...
586
To remove duplicates use set(a). To print duplicates, something like:
a = [1,2,3,2,1,5,6,5,5,...
java.lang.OutOfMemoryError: Java heap space
...heap size> on the command line. By default, the values are based on the JRE version and system configuration. You can find out more about the VM options on the Java website.
However, I would recommend profiling your application to find out why your heap size is being eaten. NetBeans has a very g...
How to go about formatting 1200 to 1.2k in java
... Answers
Many of the current solutions are using these prefixes k=103, m=106, b=109, t=1012. However, according to various sources, the correct prefixes are k=103, M=106, G=109, T=1012
Lack of support for negative numbers (or at least a lack of tests demonstrating that negative numbers are support...
What do (lambda) function closures capture?
...; print f_1.func_closure, f_1.func_closure[0].cell_contents
(<cell at 0x106a99a28: int object at 0x7fbb20c11170>,) 43
Notably, my_str is not in f1's closure.
What's in f2's closure?
>>> print f_2.func_closure, f_2.func_closure[0].cell_contents
(<cell at 0x106a99a28: int object...
Environment variable to control java.io.tmpdir?
...perty settings:
java.home = /home/nisar/javadev/javasuncom/jdk1.7.0_17/jre
java.io.tmpdir = /tmp
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Setting property 'source' to 'org.eclipse.jst.jee.server:JSFTut' did not find a matching property
... logging.properties file used by default is the JDK default at %JAVA_HOME%/jre/lib/logging.properties
If you want to use a different logging.properties file (e.g. in the tomcat server's conf directory), this needs to be set via the java.util.logging.config.file system property. e.g. to use the logg...
End of support for python 2.7?
...id=74 or Java with 438 (3% code exec): cvedetails.com/product/19117/Oracle-JRE.html?vendor_id=93 ... So by "its fair share" you must have meant a "remarkably low share". Also, all but 3 of those vulnerabilities were also in vulnerabilities in a 3.x version and all up-to-date versions are fixed.
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