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It can be used to track the flow of data values of a piece of code. This type of debug code has some distinct disadvantages. It is temporary and usually removed when the bug is solved. The use of many print statements can affect the actual output of a program and slow down the run-time, depending on how often print statements are called.
The Java Platform Debugger Architecture (JPDA) is a collection of APIs to debug Java code. Java Debugger Interface (JDI) – defines a high-level Java language interface that developers can easily use to write remote debugger application tools. Java Virtual Machine Tools Interface (JVMTI) – a native interface that helps to inspect the state ...
Java code coverage tools are of two types: first, tools that add statements to the Java source code and require its recompilation. Second, tools that instrument the bytecode , either before or during execution.
Print debugging or tracing is the act of watching (live or recorded) trace statements, or print statements, that indicate the flow of execution of a process and the data progression. Tracing can be done with specialized tools (like with GDB's trace) or by insertion of trace statements into the source code.
In computing, the Java Debug Wire Protocol (JDWP) is a communication protocol which is part of the Java Platform Debugger Architecture. [1] It is used for communication between a debugger and the Java Virtual Machine, which it debugs. It allows to debug processes on a different computer. It can work over a network socket or through shared memory.
The JVMTI replaces the JVMPI (Java Virtual Machine Profiling Interface) and the JVMDI (Java Virtual Machine Debug Interface). The JVMPI and the JVMDI are declared as being deprecated in J2SE 5.0 and were removed in Java SE 6. JVMTI is the lowest-level of the Java Platform Debugger Architecture.
Write once, run anywhere (WORA), or sometimes Write once, run everywhere (WORE), was a 1995 [1] slogan created by Sun Microsystems to illustrate the cross-platform benefits of the Java language. [ 2 ] [ 3 ] Ideally, this meant that a Java program could be developed on any device, compiled into standard bytecode , and be expected to run on any ...
Java bytecode is used at runtime either interpreted by a JVM or compiled to machine code via just-in-time (JIT) compilation and run as a native application. As Java bytecode is designed for a cross-platform compatibility and security, a Java bytecode application tends to run consistently across various hardware and software configurations. [3]