Breaking News
Home / Java / Java FAQ

Java FAQ

How to run the JVM in 64bit?

The JDK  comes in both 32 bit and 64 bit flavors. 64 bit allows to address memory range > 3GB compared to 32 bit JVM’s. In order to run a JVM in 64 bit, add -d64 argument to the java command line in your shell script e.g. java_cmd_line=”java -d64 –Xms512m …

Read More »

What is ProGuard?

ProGuard is a free Java class file shrinker, optimizer, obfuscator, and preverifier. It detects and removes unused classes, fields, methods, and attributes. It optimizes bytecode and removes unused instructions. It renames the remaining classes, fields, and methods using short meaningless names. Finally, it preverifies the processed code for Java 6 …

Read More »

What is Guava Project?

The Guava project contains several of Google’s core libraries that Googlers rely on in their Java-based projects: collections, caching, primitives support, concurrency libraries, common annotations, string processing, I/O, and so forth. The following are the various topics under where in helper or utility classes are provided. Basic Utilities Collections Caches …

Read More »
Advertisment ad adsense adlogger