以下示例顯示如何在Dart中使用相等和關系運算符 –

void main() { var num1 = 5; var num2 = 9; var res = num1>num2; print('num1 greater than num2 :: ' +res.toString()); res = num1= num2; print('num1 greater than or equal to num2 :: ' +res.toString()); res = num1 <= num2; print('num1 lesser than or equal to num2 :: ' +res.toString()); res = num1 != num2; print('num1 not equal to num2 :: ' +res.toString()); res = num1 == num2; print('num1 equal to num2 :: ' +res.toString()); }

執行上面示例代碼，得到以下結果：

num1 greater than num2 :: false num1 lesser than num2 :: true num1 greater than or equal to num2 :: false num1 lesser than or equal to num2 :: true num1 not equal to num2 :: true num1 equal to num2 :: false

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