java/string.java at main · iq0x/java · GitHub

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publicclassMain
{
publicstaticvoidmain (String[] args)
 {
Stringtext = "hello";

// länge des string

intleange = text.length();
System.out.print(leange);
System.out.println();

//uchstabe at position

charc = text.charAt(1);
System.out.println(c);

//buchstaben von bis

text = "hamster";
Stringpart = text.substring(2,5);
System.out.println(part);

//if contains check

booleancheck = text.contains("ll");
System.out.println(check);

//check if exist and position

text = "fuck the planet";
System.out.println(text.indexOf("test"));

//replace

StringreplaceStr = text.replace("ck", "kkkkk");
System.out.println(replaceStr);

//formatierung

doublepreis = 12423.24342342;
StringpreisStr = String.format("%.2f", preis);
System.out.println(preisStr);

// double to string

preisStr = String.valueOf(preis);
System.out.println(preisStr);
 }
}