[語法] 新手提問 陣列跟浮點數
1. 我知道浮點數是一個不精確的數值，所以我試做了兩個方法
Double a = 0.3+0.3+0.3;
System.out.print(a==0.9);//false
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Double b =0.3+0.3+0.1;
System.out.print(a==0.7);//ture
是一定要三個都是不精確得到的值才是都不精確嗎??
2. int[][] a = new int[1][3];
請問這樣算是一維陣列還是二維陣列
謝謝各位解答
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