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How to create nested while loop in C#?
For a nested while loop, we have two while loops.
The first loop checks for a condition and if the condition is true, it goes to the inner loop i.e. the nested loop.
Loop 1
while (a<25) { }
Loop 2 (inside loop1)
while (b<45){ }
To create a nested while loop, the following is the sample code.
Example
using System; namespace Program { class Demo { public static void Main(string[] args) { int a=20; while (a<25) { int b=40; while (b<45) { Console.Write("({0},{1}) ", a, b); b++; } a++; Console.WriteLine(); } } } }
Output
(20,40) (20,41) (20,42) (20,43) (20,44) (21,40) (21,41) (21,42) (21,43) (21,44) (22,40) (22,41) (22,42) (22,43) (22,44) (23,40) (23,41) (23,42) (23,43) (23,44) (24,40) (24,41) (24,42) (24,43) (24,44)
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