Previous Next
0 / 15
Module DEMO-33-74DEMO-OOP-33

Key Length Panel

DEMO-OOP-33 โ€ข Object Oriented Programming

Browser-only practice

Problem Statement

Create a Swing panel with a text field and label. Releasing a key must update the label with the current text length.

Input Format

Input is given as whitespace-separated values and is used by Main.java to simulate the GUI interaction.

Output Format

Print the final label text returned by the simulation.

Sample Testcases

Submit runs every public testcase in this browser. Results and code never leave this device.

Sample #1
Public sample
java
Length: 4
Input: typed word = "java".
Derivation: "java".length() = 4 | "Length: " + 4 = "Length: 4".
Final label text:
Length: 4
Sample #2
Public sample
visualizer
Length: 10
Input: typed word = "visualizer".
Derivation: "visualizer".length() = 10 | "Length: " + 10 = "Length: 10".
Final label text:
Length: 10

Web terminal

C, C++, Java, and Python run locally in a browser VM. No worker or visualizer is used.

Saved in this browser
Editor settings