In der Diskussion ist der „Back-Tick“, sodass es so aussehen würde:
File Paths Example
| Traditional String Literals | Raw String Literals |
|---|---|
Runtime.getRuntime().exec("\"C:\\Program Files\\foo\" bar");
|
Runtime.getRuntime().exec(`"C:\Program Files\foo" bar"`); |
Multi-line Example
| Traditional String Literals | Raw String Literals |
|---|---|
String html = "<html>\n"
" <body>\n" +
" <p>Hello World.</p>\n" +
" </body>\n" +
"</html>\n";
|
String html = `<html>
<body>
<p>Hello World.</p>
</body>
</html>
`;
|
Regular Expression Example
| Traditional String Literals | Raw String Literals |
|---|---|
System.out.println("this".matches("\\w\\w\\w\\w"));
|
System.out.println("this".matches(`\w\w\w\w`));
|
Output:
truePolyglot Example
| Traditional String Literals | Raw String Literals |
|---|---|
String script = "function hello() {\n" +
" print(\'\"Hello World\"\');\n" +
"}\n" +
"\n" +
"hello();\n";
ScriptEngine engine = new ScriptEngineManager().getEngineByName("js");
Object obj = engine.eval(script);
|
String script = `function hello() {
print('"Hello World"');
}
ScriptEngine engine = new ScriptEngineManager().getEngineByName(„js“); Object obj = engine.eval(script); |
Output:
"Hello World"Database Example
| Traditional String Literals | Raw String Literals |
|---|---|
String query = "SELECT EMP_ID, LAST_NAME\n" +
"FROM EMPLOYEE_TBL\n" +
"WHERE CITY = 'INDIANAPOLIS'\n" +
"ORDER BY EMP_ID, LAST_NAME;\n";
|
String query = `SELECT EMP_ID, LAST_NAME
FROM EMPLOYEE_TB
WHERE CITY = 'INDIANAPOLIS'
ORDER BY EMP_ID, LAST_NAME;
`;
|
Ich bin gespannt, ob das in Java 10 kommen wird. Ich dachte schon, dass Java 10 Release wird eher klein, doch zusammen mit den var-Variablen sind das zwei kleine, aber bedeutende Sprachänderungen.
Details unter http://openjdk.java.net/jeps/8196004.