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Introduction

Java Debugger (JDB) is a command-line, light weight Java debugging tool. The purpose of this tool is to find bugs from Java programs and to fix them. It tests and monitors the complete Java program and then debug them to accomplish this task.

What is the need of Java Debugger?

If a program gets any bug or invalid data in a program then an error occurs. Sometimes, it is difficult to find and remove these bugs by viewing the code. So, in this situation JDB come into existence.

Features of JDB

Following is a list of some important features of JDB:-

• It is very simple and free to use.
• It is a lightweight tool.
• Being an internal part of JDK, JDB is supported by all type of operating systems.
• As it is a command line tool, it is very fast.