Code Suggestions

Online Java Editor with Autocomplete

Use CodingCool Java Studio to write Java with autocomplete suggestions, Java class hints, public method suggestions, auto import help, syntax highlighting, and compiler output.

Open Java Editor

Autocomplete support

Java keywords

Get suggestions for common Java keywords, modifiers, loops, classes, and methods while typing.

Library classes

Use suggestions for common classes such as Arrays, List, Map, HashMap, Collections, Comparator, and Collectors.

Scope-aware identifiers

Find variables, methods, and fields already present in your current code scope.

Example

import java.util.Arrays;

public class Main {
    public static void main(String[] args) {
        System.out.println(Arrays.toString(new int[] {3, 5, 7}));
    }
}

Practice these examples free on CodingCool and use the editor suggestions to learn faster.

Online Java compiler Online code editor Java error checker Java interview questions