JGrasp Editor

JGrasp Editor provides a lean Java editing and visualization capability aimed at learners and instructors. It accepts Java source code or small projects and builds an abstract syntax tree (AST) plus basic graphs to illustrate class structure, method calls, and object interactions. This reduces the cognitive load of parsing complex code and supports classroom experimentation without a full enterprise IDE. The tool is designed for quick startup, low resource usage, and straightforward analysis that complements teaching and self study. Conceptually, it parses source code, constructs the AST, and derives visual representations such as call graphs and simple object diagrams from static analysis. It computes lightweight metrics like lines of code and cyclomatic complexity to quantify code readability and springboards for discussion. The result is a focused environment for understanding program behavior rather than executing it. Beneficiaries include students learning Java fundamentals, instructors assigning hands on exercises, and self learners exploring algorithmic thinking. Unique value lies in combining editing, visualization, and metric feedback in a compact, classroom friendly package that supports rapid iteration and transparent reasoning about code structure.