Gist dla wpisu na temat nowości w Javie 14 znajdującego się pod adresem https://blog.mloza.pl/java-14-co-nowego-w-kolejnym-wydaniu/

ForeignMemory.java

VarHandle intHandle = MemoryHandles.varHandle(int.class,
        ByteOrder.nativeOrder());

try (MemorySegment segment = MemorySegment.allocateNative(100)) {
    MemoryAddress base = segment.baseAddress();
    for (int i = 0; i < 25; i++) {
        intHandle.set(base.addOffset(i * 4), i);
    }
}

PatternMatching.java

if (obj instanceof String) {
    String s = (String) obj;
    System.out.println(s);
}

PatternMatching2.java

if (obj instanceof String s) {
   System.out.println(s);
}

PatternMatching3.java

if (obj instanceof String s && s.length() > 5) { 
  return s.contains("Yes!"); 
}

PatternMatching4.java

String formatted =
    switch (obj) {
        case Integer i -> String.format("int %d", i); 
        case Byte b    -> String.format("byte %d", b); 
        case Long l    -> String.format("long %d", l); 
        case Double d  -> String.format("double %f", d); 
        case String s  -> String.format("String %s, s);
        default        -> String.format("Object %s", obj);
    };

TextBlocks.java

String text = """
                Lorem ipsum dolor sit amet, consectetur adipiscing \
                elit, sed do eiusmod tempor incididunt ut labore \
                et dolore magna aliqua.\
                """;
                  
String colors = """
    red  \s
    green\s
    blue \s
    """;