Kode Direktori - Operator Increment dan Decrement |
Hallo teman-teman, sekarang saya mau memberikan pembahasan tentang operator dasar aritmatika, Java juga terdiri atas operator unary increment (++) dan operator unary decrement (--). Operator increment dan decrement menambah dan mengurangi nilai yang tersimpan dalam variabel angka terhadap nilai 1.
Ini sebagai contoh nya teman-teman:
count = count + 1; // increment nilai count dengan nilai 1
jadi pernyataanya sama dengan kayak gini
count++; // + itu samadengan 1nya.
Operator increment dan decrement dapat ditempatkan sebelum atau sesudah operand.
Ketika digunakan sebelum operand, akan menyebabkan variabel diincrement atau didecrement dengan nilai 1, dan kemudian nilai baru digunakan dalam pernyataan dimana dia ditambahkan.
Sebagai contoh seperti ini teman-teman:
int x = 120; int y = 80; int z = 0; z = ++y + x;
Sintak di atas, akan menghasilkan nilai z = 81+120 = 201. "Kenapa jadi 81? Ya, karena ++y nya ditambah '1'. y punya nilai 80 ditambah 1 jadi 81. lalu di tambah nilai x = 120 jadi hasilnya 201."
Ketika operator increment dan decrement ditempatkan setelah operand, nilai variabel yang lama akan digunakan lebih dulu dioperasikan, dan lebih dulu terhadap pernyataan dimana dia ditambahkan.
Sebagai contoh :
/* * To change this template, choose Tools | Templates * and open the template in the editor. */ package belajar; /** * * @author Rosadi */ public class OperatorIncrementDecrement { /** * @param args the command line arguments */ public static void main(String[] args) { int x = 120; int y = 190; int z = 0; z = ++ y + x; System.out.println("Nilai z = " + z ); } }Nah ingat ketika operator increment dan decrement ditempatkan setelah operan, nilainya tidak berubah, Tetap...
Okai mungkin segitu tentang operator Increment dan Decrement yang telah kami bahas. Terimakasih.
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