edwingustafson

#!/usr/bin/java --source 21

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
import java.util.stream.Stream;

edwingustafson

#!/usr/bin/env bash

GREETING="hello, world!"

echo ${GREETING}
echo ${GREETING^}
echo ${GREETING^^}

exit 0

edwingustafson

#!/usr/bin/env -S java --source 21 --enable-preview

/*
	FizzBuzz demonstrating JDK 21 LTS features
*/

import java.util.Map;
import java.util.Map.Entry;
import java.util.stream.IntStream;

edwingustafson

#!/usr/bin/node

import { parseArgs } from 'node:util';

/*
	Based on the Commodore 64 single line maze generator
	10 PRINT CHR$(205.5+RND(1)); : GOTO 10
	as described at https://10print.org/
*/

edwingustafson

jshell> var s = new URL("https://www.caymanchem.com/")
s ==> https://www.caymanchem.com/
jshell> var t = new URL("https://www.caymanpharma.com/")
t ==> https://www.caymanpharma.com/
jshell> s.equals(t)
$3 ==> true

As seen on https://twitter.com/tnurkiewicz/status/1519643900423688192

edwingustafson

#!/usr/bin/env -S java --source 11

import java.util.Random;
import java.util.concurrent.TimeUnit;

/**
    Based on the Commodore 64 single line maze generator
    10 PRINT CHR$(205.5+RND(1)); : GOTO 10
    as described at https://10print.org/

edwingustafson

//  https://www.facebook.com/Heavydsparks/photos/a.1432147377066939/2976473412634320/

const f = (n) => n * (n + 1);

console.log([9, 8, 7, 6, 3].map(f));

//  Output: [ 90, 72, 56, 42, 12 ]

edwingustafson

#!/usr/bin/env node

//	Based on the Commodore 64 single line maze generator
//	10 PRINT CHR$(205.5+RND(1)); : GOTO 10
//	as described at https://10print.org/

while (true) process.stdout.write(['\u2571','\u2572'][Math.floor(0.5 + Math.random())]);

edwingustafson

/* Commodore 64 color values from https://www.c64-wiki.com/wiki/Color */
:root {
    --c64-black: #000000;
    --c64-white: #ffffff;
    --c64-red: #880000;
    --c64-cyan: #aaffee;
    --c64-violet: #cc44cc; --c64-purple: var(--c64-violet);
    --c64-green: #00cc55;
    --c64-blue: #0000aa;
    --c64-yellow: #eeee77;

edwingustafson

#!/bin/bash

jshell -<<EOF
System.out.println("Hello, world!");
/exit
EOF