TheJava Platform Debugger Architecture (JPDA) is a collection ofAPIs todebugJava 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 and to control the execution of applications running in theJava Virtual Machine (JVM).
• Java Virtual Machine Debug Interface (JVMDI) –JVMDI was deprecated in J2SE 5.0 in favor of JVM TI, and was removed in Java SE 6.
• Java Debug Wire Protocol (JDWP) – defines communication betweendebugger and debuggee (a Java application) processes.

JDI is the highest-layer of the Java Platform Debugger Architecture. It allows to access theJVM and the internal variables of the debugged program. It also allows to setbreakpoints,stepping, and handle threads.^[1]

• Eclipse, an open-source IDE integrated with JPDA support
• IntelliJ IDEA, a commercial open-source Java IDE with integrated JPDA support
• JSwat, an open-source Java debugger using the JPDA
• NetBeans, an open-source IDE using the JPDA

• Java Platform Debugger Architecture for Java SE 7
• Java Platform Debugger Architecture for Java SE 8

• Debuggers
• Java platform

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