Study 1Z0-829 Java 17 Language Fundamentals and Type System: key concepts, common traps, and exam decision cues.
This chapter is where most later Java mistakes begin. If your type reading is vague here, your guesses on collections, lambdas, streams, and exceptions stay vague too.
| Lesson | Focus |
|---|---|
| 1.1 Types and Operators | Learn how the exam tests primitive ranges, wrappers, null pitfalls, var, casting, and operator precedence. |
| If the question is really about… | Go first to… |
|---|---|
| primitive arithmetic and conversion legality | 1.1 Types and Operators |
| wrapper null behavior or boxing | 1.1 Types and Operators |
var, casts, or operator side effects |
1.1 Types and Operators |