Function

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Path：Project Global Config -> Functions

Use {{$functionName}} to replace the fixed value. Methods must be paramaterless, otherwise it won't work.

Pressing the shortcut key after typing {{$, it will invoke the auto-completion action.

Developers can use the built-in api in the JDK to write own custom functions, such as 5-length random strings.

public String randomString() {
    StringBuilder sb = new StringBuilder(5);
    for (int i = 0; i < 5; i++) {
        int randomIndex = RANDOM.nextInt(CHAR_NORMAL.length());
        sb.append(CHAR_NORMAL.charAt(randomIndex));
    }
    return sb.toString();
}

Also you can use java-fakeropen in new window library to customize various types of random parameters.

How to set Code completion shortcut

Under Setting -> Keymap ====> Main Menu->Code->Code Completion->Basic