Below you will find a sample program for every language available on Ideone. Click fork to execute the code.

Ada95 (gnat 8.3) fork download    
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Assembler 32bit (gcc 8.3) fork download    
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Assembler 32bit (nasm 2.14) fork download    
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AWK (mawk 1.3.3) fork download    
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AWK (gawk 4.2.1) fork download    
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Bash (bash 5.0.3) fork download    
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BC (bc 1.07.1) fork download    
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Brainf**k (bff 1.0.6) fork download    
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C (gcc 8.3) fork download    
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C# (NET 6.0) fork download    
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C# (gmcs 5.20.1) fork download    
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C++ (gcc 8.3) fork download    
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C++ 4.3.2 (gcc-4.3.2) fork download    
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C++14 (gcc 8.3) fork download    
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C99 (gcc 8.3) fork download    
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Clips (clips 6.30) fork download    
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Clojure (clojure 1.10.0) fork download    
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Cobol (gnucobol 2.2.0) fork download    
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COBOL 85 (tinycobol-0.65.9) fork download    
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Common Lisp (sbcl 1.4.16) fork download    
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Common Lisp (clisp 2.49.92) fork download    
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D (dmd 2.085.0) fork download    
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D (gdc 8.3) fork download    
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Dart (dart 2.3.0) fork download    
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Elixir (elixir 1.8.2) fork download    
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Erlang (erl 21.3.8) fork download    
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F# (mono 4.1) fork download    
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Fantom (fantom 1.0.72) fork download    
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Forth (gforth 0.7.3) fork download    
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Fortran (gfortran 8.3) fork download    
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Go (go 1.12.1) fork download    
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Gosu (gosu 1.14.9) fork download    
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Groovy (groovy 2.5.6) fork download    
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Haskell (ghc 8.4.4) fork download    
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Icon (iconc 9.5.1) fork download    
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Intercal (ick 0.3) fork download    
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Java (12.0.1) fork download    
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Java (HotSpot 12) fork download    
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JavaScript (rhino 1.7.9) fork download    
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JavaScript (SMonkey 60.2.3) fork download    
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Kotlin (kotlin 1.3.21) fork download    
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Lua (luac 5.3.3) fork download    
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Nemerle (ncc 1.2.547) fork download    
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Nice (nicec 0.9.13) fork download    
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Nim (nim 0.19.4) fork download    
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Node.js (node 20.14) fork download    
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Objective-C (gcc 8.3) fork download    
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Objective-C (clang 8.0) fork download    
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OCaml (ocamlopt 4.05.0) fork download    
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Octave (octave 4.4.1) fork download    
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Pascal (gpc 20070904) fork download    
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Pascal (fpc 3.0.4) fork download    
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Perl (perl 5.28.1) fork download    
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Perl (perl 2018.12) fork download    
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PHP (php 7.3.5) fork download    
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Pico Lisp (pico 18.12.27) fork download    
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Pike (pike 8.0) fork download    
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Prolog (gprolog 1.4.5) fork download    
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Prolog (swi 7.6.4) fork download    
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Python (cpython 2.7.16) fork download    
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Python 3 (python  3.12) fork download    
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R (R 3.5.2) fork download    
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Racket (racket 7.0) fork download    
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Ruby (ruby 2.5.5) fork download    
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Rust (rust 1.56) fork download    
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Scala (scala 2.12.8) fork download    
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Scheme (chicken 4.13) fork download    
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Scheme (stalin 0.11) fork download    
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Scheme (guile 2.2.4) fork download    
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Smalltalk (gst 3.2.5) fork download    
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SQLite (sqlite 3.27.2) fork download    
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Swift (swift 4.2.2) fork download    
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TCL (tcl 8.6) fork download    
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Text (text 6.10) fork download    
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Unlambda (unlambda 0.1.4.2) fork download    
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VB.net (mono 4.7) fork download    
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VB.NET (mono-3.10) fork download    
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Whitespace (wspace 0.3) fork download    
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