Skip to content
Free public beta until December 4, 2026: every course is open, no card needed. After that, the first chapter of each course stays free and full access is a one-time $39 ($19 for up to 100 founding members chosen for helpful feedback). Your progress is kept. How the beta works

try block

Code wrapped in try { } whose exceptions the following handlers can catch.

A try block is followed by one or more catch handlers; if an exception escapes the block, the first handler whose type matches runs.

Read the full section →