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// This file should compile and execute
import static java.lang.System.out;
interface I {
void foo();
String[] bar(boolean okay);
}
abstract class C implements I {
public static void println(String str) {
out.println(str);
}
@Override
public void foo() {}
}
enum E { YEAH }
/** Do you document your API?
* @param fake Oh no!
* @return What?
*/
record R<T>(int i, double d, char c, Object o, T special) {
private static final byte thing = 0;
}
public final class /* the same as the file name */ file extends C {
@Override
public String[] bar(boolean okay) {
return new String[] {
"Float: " + 1f + " or " + 1.e+0f,
"Double: " + 1d + " or " + 1.0e-0d,
"Long: " + 1L + " or " + 0x1l,
"Unsigned: don’t exist in Java",
"Escaped chars: \\ \" \101 " + '\141',
"""
Multiline string:
- One
- Two
- Three""",
};
}
public static void main(String[] args) {
println(E.YEAH.toString());
var me = new file();
me.foo();
for (var wysiwyg: me.bar(false)) {
println(wysiwyg);
}
while (me != null) {
me = null;
}
var what = switch ("hey") {
case "" -> "";
default -> { yield "Have fun\u0021"; }
};
println(what.toUpperCase());
}
}
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