Object-C, loop statement for, while, do-while

Object-C, loop statement for, while, do-while
Demonstrate the loop statements, for, while, do-while, and C series languages. The syntax is basically the same as 1 to 10, and the sum is obtained.

//// Main. m // for-while /// Created by fansunion on 15/11/29. // Copyright (c) 2015 demo. all rights reserved. // # import
 
  
Int main (int argc, const char * argv []) {@ autoreleasepool {// for Loop int number = 10; int sum = 0; // int n = 0; you can also define the int Variable n for (int n = 1; n <= number; n ++) {sum + = n ;} NSLog (@ "The sum is % I", sum); // while LOOP int n2 = 1; int sum2 = 0; while (n2 <= 10) {sum2 + = n2; n2 ++;} NSLog (@ "The sum2 is % I", sum2); // do-while loop int n3 = 1; int sum3 = 0; do {sum3 + = n3; n3 ++;} while (n3 <= 10); NSLog (@ "The sum3 is % I", sum3 );} return 0 ;}
 

Program output

14:25:08. 975 for-while [2983: 192052] The sum is 55

14:25:08. 977 for-while [2983: 192052] The sum2 is 55

14:25:08. 978 for-while [2983: 192052] The sum3 is 55

Program ended with exit code: 0