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Heap pollution in Java can occur when type arguments and variables are not reified at run-time. As a result, different parameterized types are implemented by the same class or interface at run time. All invocations of a given generic type declaration share a single run-time implementation. This results in the possibility of heap pollution. [2]
The canonical heap overflow technique overwrites dynamic memory allocation linkage (such as malloc metadata) and uses the resulting pointer exchange to overwrite a program function pointer. For example, on older versions of Linux , two buffers allocated next to each other on the heap could result in the first buffer overwriting the second ...
Java does not support access to individual bytes, only objects which are 8-byte aligned by default. Because of this, the lowest 3 bits of a heap reference will always be 0. By lowering the resolution of 32-bit references to 8 byte blocks, the addressable space can be increased to 32 GB.
The primary advantage of running Java in a 64-bit environment is the larger address space. This allows for a much larger Java heap size and an increased maximum number of Java Threads, which is needed for certain kinds of large applications; however there is a performance hit in using 64-bit JVM compared to 32-bit JVM.
The Eclipse Web Tools Platform (WTP) project is an extension of the Eclipse platform with tools for developing Web and Java EE applications. It includes source and graphical editors for a variety of languages, wizards and built-in applications to simplify development, and tools and APIs to support deploying, running, and testing apps.
COBOL supports pointers [16] and heap allocation [17] as of COBOL 2002, along with a garbage collector. [18] Cython provides optional manual memory management by letting the user import malloc, realloc, and free from C, which they can then use in Python code. [19]
Automatically finds bugs and generates unit tests for Java, via feedback-directed random testing (a variant of Fuzzing). Spock [335] Spock is a testing and specification framework for Java and Groovy applications. Spock supports specification by example and BDD style testing. SpryTest: Yes [336] Commercial. Automated Unit Testing Framework for Java
Dynamic program analysis is the act of analyzing software that involves executing a program – as opposed to static program analysis, which does not execute it.. Analysis can focus on different aspects of the software including but not limited to: behavior, test coverage, performance and security.