0x001 Arithmetikoperator
int num1 = 1, num2 = 2; System.out.println (Num1 + Num2); // 3 system.out.println (num1 - num2); // -1 system.out.println (num1 / num2); // 0 system.out.println (num1 * num2); // 2 System.out.println (Num1 % Num2); // 1
0x002 Selbsterlösen und Abnahme
System.out.println (Num1 ++); // 1 system.out.println (num1); // 2 system.out.println (num1-); // 2 system.out.println (num1); // 1 system.out.println (++ num1); // 2 system.out.println (-num1); // 1
0x003 Relational Operator
System.out.println ((num1 <num2)); // true system.out.println ((num1> num2)); // False System.out.println (num1 == num2); // false System.out.println (num1! = num2); // WAHR
0x004 Logischer Operator
boolean boolean1 = false; boolean boolean2 = true; System.out.println (boolean1 && boolean2); // false system.out.println (boolean1 || boolean2); // true system.out.println (! boolean1); // WAHR
0x005 direkter Bediener
int i1 = 0x2f; int i2 = 0x2f; int i3 = 0177; char c1 = 0xffff; Byte B1 = 0x7f; kurz S1 = 0x7f; lange L1 = 100l; lange L2 = 100l; float f1 = 1; float f2 = 1f; float f3 = 1f; doppelt d1 = 1d; doppelt d2 = 1d; System.out.println (i1); // 47 system.out.println (i2); // 127 System.out.println (C1); // system.out.println (B1); // 127 System.out.println (S1); // 127 System.out.println (L1); // 100 system.out.println (L2); // 100 system.out.println (f1); // 1.0 system.out.println (f2); // 1.0 system.out.println (f3); // 1.0 system.out.println (d1); // 1.0 system.out.println (d2); // 1.0
0x006 Triple Operator
int a = 0; boolean issuccess = false; a = issuccess? 1: 2; System.out.println (a); // 2
0x007 String +, +=
String str = ""; str = str + "1"; str += "2"; System.out.println (str);
0x008 Typ Conversion
int i = 100; lange lang1 = (lang) i; System.out.println (long1); // 100 long1 = i; System.out.println (long1); // 100 long2 = (lang) 200; System.out.println (long2); // 200 i = (int) long1; System.out.println (i); // 200 float1 = 0,1F; Float2 = 0,9F; System.out.println ((int) float1); // Die Konvertierung int wird aufgegeben.