C#中的关系运算符是什么？
要在C#中比较两个值，请使用关系运算符。
以下是C#中的关系运算符。
例如，比较两个整数变量是否相等-
if (a == b) {
Console.WriteLine("Line 1 - a is equal to b");
} else {
Console.WriteLine("Line 1 - a is not equal to b");
}同样，它将对其他关系运算符起作用。
以下是显示如何在C#中使用关系运算符的示例-
示例
using System;
class Program {
static void Main(string[] args) {
int a = 21;
int b = 10;
if (a == b) {
Console.WriteLine("Line 1 - a is equal to b");
} else {
Console.WriteLine("Line 1 - a is not equal to b");
}
if (a < b) {
Console.WriteLine("Line 2 - a is less than b");
} else {
Console.WriteLine("Line 2 - a is not less than b");
}
if (a > b) {
Console.WriteLine("Line 3 - a is greater than b");
} else {
Console.WriteLine("Line 3 - a is not greater than b");
}
/* Lets change value of a and b */
a = 5;
b = 20;
if (a <= b) {
Console.WriteLine("Line 4 - a is either less than or equal to b");
}
if (b >= a) {
Console.WriteLine("Line 5 - b is either greater than or equal to b");
}
}
}输出结果
Line 1 - a is not equal to b Line 2 - a is not less than b Line 3 - a is greater than b Line 4 - a is either less than or equal to b Line 5 - b is either greater than or equal to b
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