0x001 Opérateur arithmétique
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 auto-augmentation et diminution
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 Opérateur relationnel
System.out.println ((num1 <num2)); // true System.out.println ((num1> num2)); // false System.out.println (num1 == num2); // false System.out.println (num1! = num2); // vrai
0x004 Opérateur logique
booléen boolean1 = false; booléen boolean2 = true; System.out.println (boolean1 && boolean2); // false System.out.println (boolean1 || boolean2); // true System.out.println (! Boolean1); // vrai
0x005 Opérateur direct
int i1 = 0x2f; int i2 = 0x2f; int i3 = 0177; char c1 = 0xffff; octet b1 = 0x7f; court S1 = 0x7f; long l1 = 100l; long l2 = 100l; float f1 = 1; float f2 = 1f; float f3 = 1f; double d1 = 1d; double 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 opérateur
int a = 0; booléen issuccess = false; a = Issucess? 1: 2; System.out.println (a); // 2
0x007 String +, + =
String str = ""; str = str + "1"; str + = "2"; System.out.println (STR);
Conversion de type 0x008
int i = 100; long long1 = (long) i; System.out.println (long1); // 100 long1 = i; System.out.println (long1); // 100 long long2 = (long) 200; System.out.println (long2); // 200 i = (int) long1; System.out.println (i); // 200 float float1 = 0,1f; float float2 = 0,9f; System.out.println ((int) float1); // La conversion int sera abandonnée System.out.println ((int) float2); // la conversion int sera abandonnée